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Example 8" F/5.9 telescope
Example 4" F/9 telescope
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Aperture

203mm

Focal Ratio

F/5.9

Focal Length

1200mm

Focuser Size

All Eyepieces

Name	Focal Length FL	Magnification Mag	Exit Pupil EP	True Field of View TFOV	Apparent Field of View AFOV	Eye Relief (mm) ER	Field Stop Diameter (mm) FS	Barrel Size Size Automatically filter eyepieces that will fit the focuser of the selected telescope. Auto	Discontinued? No
APM Ultra Flat	15 mm	80x	2.54 mm	Estimate based on apparent field of view. 0.81°	65°	16 mm	Estimate based on apparent field of view. 17.02 mm	1.25	Available
APM Ultra Flat	18 mm	66.67x	3.05 mm	Estimate based on apparent field of view. 0.97°	65°	20 mm	Estimate based on apparent field of view. 20.42 mm	1.25	Available
APM Ultra Flat	24 mm	50x	4.07 mm	Estimate based on apparent field of view. 1.3°	65°	29 mm	Estimate based on apparent field of view. 27.23 mm	1.25	Available
APM Ultra Flat	30 mm	40x	5.08 mm	1.74°	70°	22 mm	Provided by manufacturer or measured 36.4 mm	2	Available
APM Ultra Wide	30 mm	40x	5.08 mm	1.96°	80°	22 mm	Provided by manufacturer or measured 41 mm	2	Available
APM XWA HDC	3.5 mm	342.86x	0.59 mm	Estimate based on apparent field of view. 0.32°	110°	15 mm	Estimate based on apparent field of view. 6.72 mm	1.25 & 2	Available
APM XWA HDC	4.8 mm	250x	0.81 mm	Estimate based on apparent field of view. 0.44°	110°	15 mm	Estimate based on apparent field of view. 9.21 mm	1.25 & 2	Available
APM XWA HDC	7 mm	171.43x	1.19 mm	Estimate based on apparent field of view. 0.58°	100°	13 mm	Estimate based on apparent field of view. 12.22 mm	1.25 & 2	Available
APM XWA HDC	9 mm	133.33x	1.53 mm	Estimate based on apparent field of view. 0.75°	100°	13 mm	Estimate based on apparent field of view. 15.71 mm	1.25 & 2	Available
APM XWA HDC	13 mm	92.31x	2.2 mm	Estimate based on apparent field of view. 1.08°	100°	13 mm	Estimate based on apparent field of view. 22.69 mm	1.25 & 2	Available
APM XWA HDC	20 mm	60x	3.39 mm	Estimate based on apparent field of view. 1.67°	100°	15 mm	Estimate based on apparent field of view. 34.9 mm	2	Available
Agena EWA	6 mm	200x	1.02 mm	Estimate based on apparent field of view. 0.33°	66°	14.3 mm	Estimate based on apparent field of view. 6.91 mm	1.25	Available
Agena EWA	9 mm	133.33x	1.53 mm	Estimate based on apparent field of view. 0.49°	66°	15 mm	Estimate based on apparent field of view. 10.37 mm	1.25	Available
Agena EWA	15 mm	80x	2.54 mm	Estimate based on apparent field of view. 0.82°	66°	13 mm	Estimate based on apparent field of view. 17.28 mm	1.25	Available
Agena EWA	20 mm	60x	3.39 mm	Estimate based on apparent field of view. 1.1°	66°	18 mm	Estimate based on apparent field of view. 23.04 mm	1.25	Available
Agena SWA	10 mm	120x	1.69 mm	Estimate based on apparent field of view. 0.58°	70°	10 mm	Estimate based on apparent field of view. 12.22 mm	1.25	Available
Agena SWA	15 mm	80x	2.54 mm	Estimate based on apparent field of view. 0.88°	70°	13 mm	Estimate based on apparent field of view. 18.32 mm	1.25	Available
Agena SWA	20 mm	60x	3.39 mm	Estimate based on apparent field of view. 1.17°	70°	16 mm	Estimate based on apparent field of view. 24.43 mm	1.25	Available
Agena SWA	26 mm	46.15x	4.41 mm	1.54°	70°	20 mm	Provided by manufacturer or measured 32.3 mm	2	Available
Agena SWA	32 mm	37.5x	5.42 mm	1.91°	70°	24 mm	Provided by manufacturer or measured 40 mm	2	Available
Agena SWA	38 mm	31.58x	6.44 mm	2.18°	70°	28 mm	Provided by manufacturer or measured 45.7 mm	2	Available
Agena Starguider	3.2 mm	375x	0.54 mm	Estimate based on apparent field of view. 0.16°	60°	15.8 mm	Estimate based on apparent field of view. 3.35 mm	1.25	Available
Agena Starguider	5 mm	240x	0.85 mm	Estimate based on apparent field of view. 0.25°	60°	15.8 mm	Estimate based on apparent field of view. 5.24 mm	1.25	Available
Agena Starguider	8 mm	150x	1.36 mm	Estimate based on apparent field of view. 0.4°	60°	16.5 mm	Estimate based on apparent field of view. 8.38 mm	1.25	Available
Agena Starguider	12 mm	100x	2.03 mm	Estimate based on apparent field of view. 0.6°	60°	20 mm	Estimate based on apparent field of view. 12.57 mm	1.25	Available
Agena Starguider	15 mm	80x	2.54 mm	Estimate based on apparent field of view. 0.75°	60°	20 mm	Estimate based on apparent field of view. 15.71 mm	1.25	Available
Agena Starguider	18 mm	66.67x	3.05 mm	Estimate based on apparent field of view. 0.9°	60°	18 mm	Estimate based on apparent field of view. 18.85 mm	1.25	Available
Agena Starguider	25 mm	48x	4.24 mm	Estimate based on apparent field of view. 1.25°	60°	20 mm	Estimate based on apparent field of view. 26.18 mm	1.25	Available
Agena WA	8 mm	150x	1.36 mm	Estimate based on apparent field of view. 0.4°	60°	9 mm	Estimate based on apparent field of view. 8.38 mm	1.25	Available
Agena WA	12 mm	100x	2.03 mm	Estimate based on apparent field of view. 0.6°	60°	10 mm	Estimate based on apparent field of view. 12.57 mm	1.25	Available
Agena WA	17 mm	70.59x	2.88 mm	Estimate based on apparent field of view. 0.92°	65°	16 mm	Estimate based on apparent field of view. 19.28 mm	1.25	Available
Agena WA	20 mm	60x	3.39 mm	Estimate based on apparent field of view. 1.08°	65°	20 mm	Estimate based on apparent field of view. 22.69 mm	1.25	Available
Altair Ultra Flat	10 mm	120x	1.69 mm	0.7°	60°	16 mm	Provided by manufacturer or measured 14.7 mm	1.25	Available
Altair Ultra Flat	15 mm	80x	2.54 mm	0.94°	65°	16 mm	Provided by manufacturer or measured 19.6 mm	1.25	Available
Altair Ultra Flat	18 mm	66.67x	3.05 mm	1.12°	65°	20 mm	Provided by manufacturer or measured 23.4 mm	1.25	Available
Altair Ultra Flat	24 mm	50x	4.07 mm	1.44°	65°	29 mm	Provided by manufacturer or measured 30.2 mm	1.25	Available
Altair Ultra Flat	30 mm	40x	5.08 mm	1.45°	70°	22 mm	Provided by manufacturer or measured 30.4 mm	2	Available
Antares Speers Waler	4.9 mm	244.9x	0.83 mm	Estimate based on apparent field of view. 0.33°	82°	13 mm	Estimate based on apparent field of view. 7.01 mm	1.25	Available
Antares Speers Waler	7.2 mm	166.67x	1.22 mm	Estimate based on apparent field of view. 0.49°	82°	13 mm	Estimate based on apparent field of view. 10.3 mm	1.25	Available
Antares Speers Waler	9.4 mm	127.66x	1.59 mm	Estimate based on apparent field of view. 0.64°	82°	13 mm	Estimate based on apparent field of view. 13.45 mm	1.25	Available
Antares Speers Waler	13.4 mm	89.55x	2.27 mm	Estimate based on apparent field of view. 0.92°	82°	13 mm	Estimate based on apparent field of view. 19.18 mm	1.25	Available
Antares Speers Waler	17 mm	70.59x	2.88 mm	Estimate based on apparent field of view. 1.1°	78°	13 mm	Estimate based on apparent field of view. 23.14 mm	1.25	Available
Antares Speers Waler Series 3	9.5 mm	126.32x	1.61 mm	Estimate based on apparent field of view. 0.63°	80°	11.3 mm	Estimate based on apparent field of view. 13.26 mm	1.25	Available
Antares Speers Waler Series 3	12.8 mm	93.75x	2.17 mm	Estimate based on apparent field of view. 0.85°	80°	14.6 mm	Estimate based on apparent field of view. 17.87 mm	1.25	Available
Antares Speers Waler Series 3	17 mm	70.59x	2.88 mm	Estimate based on apparent field of view. 1.13°	80°	9 mm	Estimate based on apparent field of view. 23.73 mm	1.25	Available
Astro Tech High Grade Plossl	4 mm	300x	0.68 mm	Estimate based on apparent field of view. 0.18°	55°	2 mm	Estimate based on apparent field of view. 3.84 mm	1.25	Available
Astro Tech High Grade Plossl	6 mm	200x	1.02 mm	Estimate based on apparent field of view. 0.28°	55°	4 mm	Estimate based on apparent field of view. 5.76 mm	1.25	Available
Astro Tech High Grade Plossl	17 mm	70.59x	2.88 mm	Estimate based on apparent field of view. 0.78°	55°	11 mm	Estimate based on apparent field of view. 16.32 mm	1.25	Available
Astro Tech Paradigm	5 mm	240x	0.85 mm	Estimate based on apparent field of view. 0.25°	60°	13 mm	Estimate based on apparent field of view. 5.24 mm	1.25	Available
Astro Tech Paradigm	8 mm	150x	1.36 mm	Estimate based on apparent field of view. 0.4°	60°	13 mm	Estimate based on apparent field of view. 8.38 mm	1.25	Available
Astro Tech Paradigm	12 mm	100x	2.03 mm	Estimate based on apparent field of view. 0.6°	60°	12 mm	Estimate based on apparent field of view. 12.57 mm	1.25	Available
Astro Tech Paradigm	15 mm	80x	2.54 mm	Estimate based on apparent field of view. 0.75°	60°	15 mm	Estimate based on apparent field of view. 15.71 mm	1.25	Available
Astro Tech Paradigm	18 mm	66.67x	3.05 mm	Estimate based on apparent field of view. 0.9°	60°	13 mm	Estimate based on apparent field of view. 18.85 mm	1.25	Available
Astro Tech Paradigm	25 mm	48x	4.24 mm	Estimate based on apparent field of view. 1.25°	60°	15 mm	Estimate based on apparent field of view. 26.18 mm	1.25	Available
Astro Tech Value Line Plossl	4 mm	300x	0.68 mm	Estimate based on apparent field of view. 0.17°	52°	6 mm	Estimate based on apparent field of view. 3.63 mm	1.25	Available
Astro Tech Value Line Plossl	6 mm	200x	1.02 mm	Estimate based on apparent field of view. 0.26°	52°	5 mm	Estimate based on apparent field of view. 5.45 mm	1.25	Available
Astro Tech Value Line Plossl	9 mm	133.33x	1.53 mm	Estimate based on apparent field of view. 0.39°	52°	6 mm	Estimate based on apparent field of view. 8.17 mm	1.25	Available
Astro Tech Value Line Plossl	12 mm	100x	2.03 mm	Estimate based on apparent field of view. 0.52°	52°	8 mm	Estimate based on apparent field of view. 10.89 mm	1.25	Available
Astro Tech Value Line Plossl	15 mm	80x	2.54 mm	Estimate based on apparent field of view. 0.65°	52°	13 mm	Estimate based on apparent field of view. 13.61 mm	1.25	Available
Astro Tech Value Line Plossl	20 mm	60x	3.39 mm	Estimate based on apparent field of view. 0.87°	52°	20 mm	Estimate based on apparent field of view. 18.15 mm	1.25	Available
Astro Tech Value Line Plossl	25 mm	48x	4.24 mm	Estimate based on apparent field of view. 1.08°	52°	22 mm	Estimate based on apparent field of view. 22.69 mm	1.25	Available
Astro Tech Value Line Plossl	32 mm	37.5x	5.42 mm	Estimate based on apparent field of view. 1.39°	52°	20 mm	Estimate based on apparent field of view. 29.04 mm	1.25	Available
Astro Tech Value Line Plossl	40 mm	30x	6.78 mm	Estimate based on apparent field of view. 1.73°	52°	20 mm	Estimate based on apparent field of view. 36.3 mm	1.25	Available
BST Flat Field	8 mm	150x	1.36 mm	0.46°	60°	9.5 mm	Provided by manufacturer or measured 9.6 mm	1.25	Available
BST Flat Field	12 mm	100x	2.03 mm	0.73°	60°	15 mm	Provided by manufacturer or measured 15.2 mm	1.25	Available
BST Flat Field	16 mm	75x	2.71 mm	0.79°	60°	15.5 mm	Provided by manufacturer or measured 16.5 mm	1.25	Available
BST Flat Field	19 mm	63.16x	3.22 mm	1.01°	65°	18.5 mm	Provided by manufacturer or measured 21.2 mm	1.25	Available
BST Flat Field	27 mm	44.44x	4.58 mm	1.17°	53°	23 mm	Provided by manufacturer or measured 24.4 mm	1.25	Available
BST Ultra Wide	2.5 mm	480x	0.42 mm	Estimate based on apparent field of view. 0.12°	58°	16.5 mm	Estimate based on apparent field of view. 2.53 mm	1.25	Available
BST Ultra Wide	3.2 mm	375x	0.54 mm	Estimate based on apparent field of view. 0.15°	58°	15.8 mm	Estimate based on apparent field of view. 3.24 mm	1.25	Available
BST Ultra Wide	4 mm	300x	0.68 mm	Estimate based on apparent field of view. 0.19°	58°	16 mm	Estimate based on apparent field of view. 4.05 mm	1.25	Available
BST Ultra Wide	4.5 mm	266.67x	0.76 mm	Estimate based on apparent field of view. 0.22°	58°		Estimate based on apparent field of view. 4.55 mm	1.25	Available
BST Ultra Wide	5 mm	240x	0.85 mm	Estimate based on apparent field of view. 0.24°	58°	15.8 mm	Estimate based on apparent field of view. 5.06 mm	1.25	Available
BST Ultra Wide	6 mm	200x	1.02 mm	Estimate based on apparent field of view. 0.29°	58°	16.3 mm	Estimate based on apparent field of view. 6.07 mm	1.25	Available
BST Ultra Wide	7 mm	171.43x	1.19 mm	Estimate based on apparent field of view. 0.34°	58°	16.5 mm	Estimate based on apparent field of view. 7.09 mm	1.25	Available
BST Ultra Wide	8 mm	150x	1.36 mm	Estimate based on apparent field of view. 0.39°	58°	16 mm	Estimate based on apparent field of view. 8.1 mm	1.25	Available
BST Ultra Wide	9 mm	133.33x	1.53 mm	Estimate based on apparent field of view. 0.43°	58°	15.8 mm	Estimate based on apparent field of view. 9.11 mm	1.25	Available
BST Ultra Wide	15 mm	80x	2.54 mm	Estimate based on apparent field of view. 0.72°	58°	14.3 mm	Estimate based on apparent field of view. 15.18 mm	1.25	Available
BST Ultra Wide	20 mm	60x	3.39 mm	Estimate based on apparent field of view. 0.97°	58°	18 mm	Estimate based on apparent field of view. 20.24 mm	1.25	Available
BST Ultra Wide	25 mm	48x	4.24 mm	Estimate based on apparent field of view. 1.21°	58°	20 mm	Estimate based on apparent field of view. 25.31 mm	1.25	Available
Baader Classic Ortho	6 mm	200x	1.02 mm	0.24°	52°	5 mm	Provided by manufacturer or measured 5 mm	1.25	Available
Baader Classic Ortho	10 mm	120x	1.69 mm	0.42°	52°	8 mm	Provided by manufacturer or measured 8.7 mm	1.25	Available
Baader Classic Ortho	18 mm	66.67x	3.05 mm	0.8°	52°	14.7 mm	Provided by manufacturer or measured 16.8 mm	1.25	Available
Baader Classic Plossl	32 mm	37.5x	5.42 mm	1.24°	50°	21 mm	Provided by manufacturer or measured 26 mm	1.25	Available
Baader Hyperion	5 mm	240x	0.85 mm	Estimate based on apparent field of view. 0.28°	68°	20 mm	Estimate based on apparent field of view. 5.93 mm	1.25 & 2	Available
Baader Hyperion	8 mm	150x	1.36 mm	Estimate based on apparent field of view. 0.45°	68°	20 mm	Estimate based on apparent field of view. 9.49 mm	1.25 & 2	Available
Baader Hyperion	10 mm	120x	1.69 mm	Estimate based on apparent field of view. 0.57°	68°	20 mm	Estimate based on apparent field of view. 11.87 mm	1.25 & 2	Available
Baader Hyperion	13 mm	92.31x	2.2 mm	Estimate based on apparent field of view. 0.74°	68°	20 mm	Estimate based on apparent field of view. 15.43 mm	1.25 & 2	Available
Baader Hyperion	17 mm	70.59x	2.88 mm	Estimate based on apparent field of view. 0.96°	68°	20 mm	Estimate based on apparent field of view. 20.17 mm	1.25 & 2	Available
Baader Hyperion	21 mm	57.14x	3.56 mm	Estimate based on apparent field of view. 1.14°	65°	20 mm	Estimate based on apparent field of view. 23.82 mm	1.25 & 2	Available
Baader Hyperion	24 mm	50x	4.07 mm	1.38°	68°	17 mm	Provided by manufacturer or measured 29 mm	1.25 & 2	Available
Baader Hyperion - Aspheric (1.25")	31 mm	38.71x	5.25 mm	1.43°	58°	17 mm	Provided by manufacturer or measured 30 mm	1.25	Available
Baader Hyperion - Aspheric (1.25")	36 mm	33.33x	6.1 mm	1.43°	58°	19 mm	Provided by manufacturer or measured 30 mm	1.25	Available
Baader Hyperion - Aspheric (2")	31 mm	38.71x	5.25 mm	1.81°	72°	17 mm	Provided by manufacturer or measured 38 mm	2	Available
Baader Hyperion - Aspheric (2")	36 mm	33.33x	6.1 mm	2.15°	72°	19 mm	Provided by manufacturer or measured 45 mm	2	Available
Baader Morpheus	4.5 mm	266.67x	0.76 mm	0.29°	76°	17.5 mm	Provided by manufacturer or measured 6.1 mm	1.25 & 2	Available
Baader Morpheus	6.5 mm	184.62x	1.1 mm	0.42°	76°	18.5 mm	Provided by manufacturer or measured 8.7 mm	1.25 & 2	Available
Baader Morpheus	9 mm	133.33x	1.53 mm	0.58°	76°	21 mm	Provided by manufacturer or measured 12.1 mm	1.25 & 2	Available
Baader Morpheus	12.5 mm	96x	2.12 mm	0.8°	76°	20 mm	Provided by manufacturer or measured 16.8 mm	1.25 & 2	Available
Baader Morpheus	14 mm	85.71x	2.37 mm	0.9°	76°	18.5 mm	Provided by manufacturer or measured 18.85 mm	1.25 & 2	Available
Baader Morpheus	17.5 mm	68.57x	2.97 mm	1.12°	76°	23.4 mm	Provided by manufacturer or measured 23.55 mm	1.25 & 2	Available
Barsta Gold Line	6 mm	200x	1.02 mm	Estimate based on apparent field of view. 0.33°	66°	14.8 mm	Estimate based on apparent field of view. 6.91 mm	1.25	Available
Barsta Gold Line	9 mm	133.33x	1.53 mm	Estimate based on apparent field of view. 0.49°	66°	15 mm	Estimate based on apparent field of view. 10.37 mm	1.25	Available
Barsta Gold Line	15 mm	80x	2.54 mm	0.81°	66°	13 mm	Provided by manufacturer or measured 17 mm	1.25	Available
Barsta Gold Line	20 mm	60x	3.39 mm	1.12°	66°	18 mm	Provided by manufacturer or measured 23.5 mm	1.25	Available
Bresser 70° series	10 mm	120x	1.69 mm	Estimate based on apparent field of view. 0.58°	70°		Estimate based on apparent field of view. 12.22 mm	1.25	Available
Bresser 70° series	15 mm	80x	2.54 mm	Estimate based on apparent field of view. 0.88°	70°		Estimate based on apparent field of view. 18.32 mm	1.25	Available
Bresser 70° series	20 mm	60x	3.39 mm	Estimate based on apparent field of view. 1.17°	70°		Estimate based on apparent field of view. 24.43 mm	1.25	Available
Bresser 70° series	25 mm	48x	4.24 mm	Estimate based on apparent field of view. 1.46°	70°		Estimate based on apparent field of view. 30.54 mm	2	Available
Bresser 70° series	30 mm	40x	5.08 mm	Estimate based on apparent field of view. 1.75°	70°		Estimate based on apparent field of view. 36.65 mm	2	Available
Bresser 70° series	35 mm	34.29x	5.93 mm	Estimate based on apparent field of view. 2.04°	70°		Estimate based on apparent field of view. 42.76 mm	2	Available
Burgess Optical Erfle	24 mm	50x	4.07 mm	Estimate based on apparent field of view. 1.34°	67°	18 mm	Estimate based on apparent field of view. 28.06 mm	1.25	Available
Burgess Optical Erfle	35 mm	34.29x	5.93 mm	Estimate based on apparent field of view. 1.95°	67°	18 mm	Estimate based on apparent field of view. 40.92 mm	2	Available
Burgess Optical Planetary	6 mm	200x	1.02 mm	Estimate based on apparent field of view. 0.3°	60°	16 mm	Estimate based on apparent field of view. 6.28 mm	1.25	Available
Burgess Optical Symmetrical	12.5 mm	96x	2.12 mm	Estimate based on apparent field of view. 0.5°	48°	12.5 mm	Estimate based on apparent field of view. 10.47 mm	1.25	Available
Burgess Optical Symmetrical	30 mm	40x	5.08 mm	Estimate based on apparent field of view. 1.38°	55°	18 mm	Estimate based on apparent field of view. 28.8 mm	1.25	Available
Burgess Optical Symmetrical	40 mm	30x	6.78 mm	1.36°	46°	20 mm	Provided by manufacturer or measured 28.5 mm	1.25	Available
Celestron E-Lux	26 mm	46.15x	4.41 mm	Estimate based on apparent field of view. 1.21°	56°	24 mm	Estimate based on apparent field of view. 25.41 mm	2	Available
Celestron E-Lux	32 mm	37.5x	5.42 mm	Estimate based on apparent field of view. 1.49°	56°	28 mm	Estimate based on apparent field of view. 31.27 mm	2	Available
Celestron E-Lux	40 mm	30x	6.78 mm	Estimate based on apparent field of view. 1.87°	56°	36 mm	Estimate based on apparent field of view. 39.09 mm	2	Available
Celestron Luminos	7 mm	171.43x	1.19 mm	0.72°	82°	12 mm	Provided by manufacturer or measured 15 mm	1.25	Available
Celestron Luminos	10 mm	120x	1.69 mm	0.81°	82°	12 mm	Provided by manufacturer or measured 17 mm	1.25	Available
Celestron Luminos	15 mm	80x	2.54 mm	1.24°	82°	17 mm	Provided by manufacturer or measured 26 mm	1.25	Available
Celestron Luminos	19 mm	63.16x	3.22 mm	1.43°	82°	20 mm	Provided by manufacturer or measured 30 mm	2	Available
Celestron Luminos	23 mm	52.17x	3.9 mm	1.77°	82°	20 mm	Provided by manufacturer or measured 37 mm	2	Available
Celestron Luminos	31 mm	38.71x	5.25 mm	2.24°	82°	27 mm	Provided by manufacturer or measured 47 mm	2	Available
Celestron Omni	4 mm	300x	0.68 mm	Estimate based on apparent field of view. 0.17°	50°	6 mm	Estimate based on apparent field of view. 3.49 mm	1.25	Available
Celestron Omni	6 mm	200x	1.02 mm	Estimate based on apparent field of view. 0.25°	50°	5 mm	Estimate based on apparent field of view. 5.24 mm	1.25	Available
Celestron Omni	9 mm	133.33x	1.53 mm	Estimate based on apparent field of view. 0.38°	50°	6 mm	Estimate based on apparent field of view. 7.85 mm	1.25	Available
Celestron Omni	12 mm	100x	2.03 mm	Estimate based on apparent field of view. 0.5°	50°	8 mm	Estimate based on apparent field of view. 10.47 mm	1.25	Available
Celestron Omni	15 mm	80x	2.54 mm	Estimate based on apparent field of view. 0.63°	50°	13 mm	Estimate based on apparent field of view. 13.09 mm	1.25	Available
Celestron Omni	32 mm	37.5x	5.42 mm	Estimate based on apparent field of view. 1.33°	50°	22 mm	Estimate based on apparent field of view. 27.92 mm	1.25	Available
Celestron Omni	40 mm	30x	6.78 mm	Estimate based on apparent field of view. 1.43°	43°	31 mm	Estimate based on apparent field of view. 30.02 mm	1.25	Available
Celestron Plossl Kit	6 mm	200x	1.02 mm	Estimate based on apparent field of view. 0.25°	50°	4 mm	Estimate based on apparent field of view. 5.24 mm	1.25	Available
Celestron Plossl Kit	8 mm	150x	1.36 mm	Estimate based on apparent field of view. 0.33°	50°	5 mm	Estimate based on apparent field of view. 6.98 mm	1.25	Available
Celestron Plossl Kit	13 mm	92.31x	2.2 mm	Estimate based on apparent field of view. 0.54°	50°	8 mm	Estimate based on apparent field of view. 11.34 mm	1.25	Available
Celestron Plossl Kit	17 mm	70.59x	2.88 mm	Estimate based on apparent field of view. 0.71°	50°	11 mm	Estimate based on apparent field of view. 14.83 mm	1.25	Available
Celestron Plossl Kit	32 mm	37.5x	5.42 mm	Estimate based on apparent field of view. 1.33°	50°	22 mm	Estimate based on apparent field of view. 27.92 mm	1.25	Available
Celestron Ultima Edge	10 mm	120x	1.69 mm	0.7°	60°	16 mm	Provided by manufacturer or measured 14.7 mm	1.25	Available
Celestron Ultima Edge	15 mm	80x	2.54 mm	0.94°	65°	16 mm	Provided by manufacturer or measured 19.6 mm	1.25	Available
Celestron Ultima Edge	18 mm	66.67x	3.05 mm	1.12°	65°	20 mm	Provided by manufacturer or measured 23.4 mm	1.25	Available
Celestron Ultima Edge	24 mm	50x	4.07 mm	1.44°	65°	29 mm	Provided by manufacturer or measured 30.2 mm	1.25	Available
Celestron Ultima Edge	30 mm	40x	5.08 mm	Estimate based on apparent field of view. 1.75°	70°	22 mm	Estimate based on apparent field of view. 36.65 mm	2	Available
Celestron X-Cel LX	2.3 mm	521.74x	0.39 mm	Estimate based on apparent field of view. 0.11°	60°	16 mm	Estimate based on apparent field of view. 2.41 mm	1.25	Available
Celestron X-Cel LX	5 mm	240x	0.85 mm	Estimate based on apparent field of view. 0.25°	60°	16 mm	Estimate based on apparent field of view. 5.24 mm	1.25	Available
Celestron X-Cel LX	7 mm	171.43x	1.19 mm	Estimate based on apparent field of view. 0.35°	60°	16 mm	Estimate based on apparent field of view. 7.33 mm	1.25	Available
Celestron X-Cel LX	9 mm	133.33x	1.53 mm	Estimate based on apparent field of view. 0.45°	60°	16 mm	Estimate based on apparent field of view. 9.42 mm	1.25	Available
Celestron X-Cel LX	12 mm	100x	2.03 mm	Estimate based on apparent field of view. 0.6°	60°	16 mm	Estimate based on apparent field of view. 12.57 mm	1.25	Available
Celestron X-Cel LX	18 mm	66.67x	3.05 mm	Estimate based on apparent field of view. 0.9°	60°	16 mm	Estimate based on apparent field of view. 18.85 mm	1.25	Available
Celestron X-Cel LX	25 mm	48x	4.24 mm	Estimate based on apparent field of view. 1.25°	60°	16 mm	Estimate based on apparent field of view. 26.18 mm	1.25	Available
Edmund Optics RKE	8 mm	150x	1.36 mm	0.32°	45°	8.2 mm	Provided by manufacturer or measured 6.6 mm	1.25	Available
Edmund Optics RKE	12 mm	100x	2.03 mm	0.46°	45°	10.7 mm	Provided by manufacturer or measured 9.7 mm	1.25	Available
Edmund Optics RKE	15 mm	80x	2.54 mm	0.57°	45°	13.4 mm	Provided by manufacturer or measured 11.9 mm	1.25	Available
Edmund Optics RKE	21 mm	57.14x	3.56 mm	0.83°	45°	18.8 mm	Provided by manufacturer or measured 17.3 mm	1.25	Available
Edmund Optics RKE	28 mm	42.86x	4.75 mm	1.11°	45°	24.5 mm	Provided by manufacturer or measured 23.3 mm	1.25	Available
Explore Scientific 100° series	5.5 mm	218.18x	0.93 mm	0.46°	100°	10.5 mm	Provided by manufacturer or measured 9.6 mm	2	Available
Explore Scientific 100° series	9 mm	133.33x	1.53 mm	0.75°	100°	12.5 mm	Provided by manufacturer or measured 15.7 mm	2	Available
Explore Scientific 100° series	14 mm	85.71x	2.37 mm	1.17°	100°	14.5 mm	Provided by manufacturer or measured 24.4 mm	2	Available
Explore Scientific 100° series	20 mm	60x	3.39 mm	1.66°	100°	14.5 mm	Provided by manufacturer or measured 34.8 mm	2	Available
Explore Scientific 100° series	25 mm	48x	4.24 mm	1.96°	100°	14.5 mm	Provided by manufacturer or measured 41 mm	2	Available
Explore Scientific 100° series	30 mm	40x	5.08 mm	2.49°	100°	19 mm	Provided by manufacturer or measured 52.2 mm	3	Available
Explore Scientific 120° series	9 mm	133.33x	1.53 mm	0.75°	120°	12.5 mm	Provided by manufacturer or measured 15.7 mm	2	Available
Explore Scientific 52° Series	3 mm	400x	0.51 mm	0.13°	52°	15 mm	Provided by manufacturer or measured 2.7 mm	1.25	Available
Explore Scientific 52° Series	4.5 mm	266.67x	0.76 mm	0.2°	52°	15 mm	Provided by manufacturer or measured 4.1 mm	1.25	Available
Explore Scientific 52° Series	6.5 mm	184.62x	1.1 mm	0.28°	52°	15.9 mm	Provided by manufacturer or measured 5.9 mm	1.25	Available
Explore Scientific 52° Series	10 mm	120x	1.69 mm	0.43°	52°	16.6 mm	Provided by manufacturer or measured 9.1 mm	1.25	Available
Explore Scientific 52° Series	15 mm	80x	2.54 mm	0.74°	52°	16.3 mm	Provided by manufacturer or measured 15.5 mm	1.25	Available
Explore Scientific 52° Series	20 mm	60x	3.39 mm	0.93°	52°	15 mm	Provided by manufacturer or measured 19.4 mm	1.25	Available
Explore Scientific 52° Series	25 mm	48x	4.24 mm	0.87°	52°	16.4 mm	Provided by manufacturer or measured 18.2 mm	1.25	Available
Explore Scientific 52° Series	30 mm	40x	5.08 mm	1.3°	52°	19.9 mm	Provided by manufacturer or measured 27.2 mm	1.25	Available
Explore Scientific 52° Series	40 mm	30x	6.78 mm	1.73°	52°	27.1 mm	Provided by manufacturer or measured 36.3 mm	2	Available
Explore Scientific 62° Series	5.5 mm	218.18x	0.93 mm	Estimate based on apparent field of view. 0.28°	62°	12.9 mm	Estimate based on apparent field of view. 5.95 mm	1.25	Available
Explore Scientific 62° Series	9 mm	133.33x	1.53 mm	Estimate based on apparent field of view. 0.46°	62°	12.6 mm	Estimate based on apparent field of view. 9.74 mm	1.25	Available
Explore Scientific 62° Series	14 mm	85.71x	2.37 mm	0.7°	62°	10.4 mm	Provided by manufacturer or measured 14.7 mm	1.25	Available
Explore Scientific 62° Series	20 mm	60x	3.39 mm	1°	62°	14.8 mm	Provided by manufacturer or measured 20.9 mm	1.25	Available
Explore Scientific 62° Series	26 mm	46.15x	4.41 mm	1.3°	62°	19.3 mm	Provided by manufacturer or measured 27.3 mm	1.25	Available
Explore Scientific 62° Series	32 mm	37.5x	5.42 mm	1.6°	62°	22.2 mm	Provided by manufacturer or measured 33.6 mm	2	Available
Explore Scientific 62° Series	40 mm	30x	6.78 mm	2.02°	62°	28.2 mm	Provided by manufacturer or measured 42.2 mm	2	Available
Explore Scientific 68° series	16 mm	75x	2.71 mm	0.87°	68°	11.9 mm	Provided by manufacturer or measured 18.2 mm	1.25	Available
Explore Scientific 68° series	20 mm	60x	3.39 mm	1.09°	68°	15.3 mm	Provided by manufacturer or measured 22.8 mm	1.25	Available
Explore Scientific 68° series	24 mm	50x	4.07 mm	1.3°	68°	18.4 mm	Provided by manufacturer or measured 27.2 mm	1.25	Available
Explore Scientific 68° series	28 mm	42.86x	4.75 mm	1.52°	68°	21.6 mm	Provided by manufacturer or measured 31.8 mm	2	Available
Explore Scientific 68° series	34 mm	35.29x	5.76 mm	1.84°	68°	26.4 mm	Provided by manufacturer or measured 38.6 mm	2	Available
Explore Scientific 68° series	40 mm	30x	6.78 mm	2.17°	68°	31 mm	Provided by manufacturer or measured 45.5 mm	2	Available
Explore Scientific 82° series	4.5 mm	266.67x	0.76 mm	0.32°	82°	15.9 mm	Provided by manufacturer or measured 6.6 mm	1.25	Available
Explore Scientific 82° series	6.5 mm	184.62x	1.1 mm	0.44°	82°	16.8 mm	Provided by manufacturer or measured 9.2 mm	1.25	Available
Explore Scientific 82° series	8.5 mm	141.18x	1.44 mm	0.57°	82°	16.3 mm	Provided by manufacturer or measured 12 mm	1.25	Available
Explore Scientific 82° series	11 mm	109.09x	1.86 mm	0.76°	82°	15.6 mm	Provided by manufacturer or measured 15.9 mm	1.25	Available
Explore Scientific 82° series	14 mm	85.71x	2.37 mm	0.9°	82°	15.6 mm	Provided by manufacturer or measured 18.9 mm	1.25	Available
Explore Scientific 82° series	18 mm	66.67x	3.05 mm	1.21°	82°	13 mm	Provided by manufacturer or measured 25.3 mm	2	Available
Explore Scientific 82° series	24 mm	50x	4.07 mm	1.6°	82°	17.5 mm	Provided by manufacturer or measured 33.5 mm	2	Available
Explore Scientific 82° series	30 mm	40x	5.08 mm	2.05°	82°	22 mm	Provided by manufacturer or measured 43 mm	2	Available
Explore Scientific 92° series	12 mm	100x	2.03 mm	0.94°	92°	19.92 mm	Provided by manufacturer or measured 19.6 mm	2	Available
Explore Scientific 92° series	17 mm	70.59x	2.88 mm	1.31°	92°	20.02 mm	Provided by manufacturer or measured 27.46 mm	2	Available
GSO Plossl	4 mm	300x	0.68 mm	Estimate based on apparent field of view. 0.17°	52°	6 mm	Estimate based on apparent field of view. 3.63 mm	1.25	Available
GSO Plossl	6 mm	200x	1.02 mm	Estimate based on apparent field of view. 0.26°	52°	5 mm	Estimate based on apparent field of view. 5.45 mm	1.25	Available
GSO Plossl	9 mm	133.33x	1.53 mm	Estimate based on apparent field of view. 0.39°	52°	6 mm	Estimate based on apparent field of view. 8.17 mm	1.25	Available
GSO Plossl	12 mm	100x	2.03 mm	Estimate based on apparent field of view. 0.52°	52°	8 mm	Estimate based on apparent field of view. 10.89 mm	1.25	Available
GSO Plossl	15 mm	80x	2.54 mm	Estimate based on apparent field of view. 0.65°	52°	13 mm	Estimate based on apparent field of view. 13.61 mm	1.25	Available
GSO Plossl	20 mm	60x	3.39 mm	Estimate based on apparent field of view. 0.87°	52°	20 mm	Estimate based on apparent field of view. 18.15 mm	1.25	Available
GSO Plossl	25 mm	48x	4.24 mm	Estimate based on apparent field of view. 1.08°	52°	22 mm	Estimate based on apparent field of view. 22.69 mm	1.25	Available
GSO Plossl	32 mm	37.5x	5.42 mm	Estimate based on apparent field of view. 1.39°	52°	22 mm	Estimate based on apparent field of view. 29.04 mm	1.25	Available
GSO Plossl	40 mm	30x	6.78 mm	Estimate based on apparent field of view. 1.5°	45°	31 mm	Estimate based on apparent field of view. 31.41 mm	1.25	Available
GSO SuperView	15 mm	80x	2.54 mm	Estimate based on apparent field of view. 0.85°	68°	13 mm	Estimate based on apparent field of view. 17.8 mm	1.25	Available
GSO SuperView	20 mm	60x	3.39 mm	Estimate based on apparent field of view. 1.13°	68°	18 mm	Estimate based on apparent field of view. 23.73 mm	1.25	Available
GSO SuperView	30 mm	40x	5.08 mm	Estimate based on apparent field of view. 1.7°	68°	22 mm	Estimate based on apparent field of view. 35.6 mm	2	Available
GSO SuperView	42 mm	28.57x	7.12 mm	Estimate based on apparent field of view. 2.03°	58°	30 mm	Estimate based on apparent field of view. 42.51 mm	2	Available
GSO SuperView	50 mm	24x	8.47 mm	Estimate based on apparent field of view. 2°	48°	35 mm	Estimate based on apparent field of view. 41.88 mm	2	Available
High Point Plossl	4 mm	300x	0.68 mm	Estimate based on apparent field of view. 0.17°	52°	6 mm	Estimate based on apparent field of view. 3.63 mm	1.25	Available
High Point Plossl	6 mm	200x	1.02 mm	Estimate based on apparent field of view. 0.26°	52°	5 mm	Estimate based on apparent field of view. 5.45 mm	1.25	Available
High Point Plossl	9 mm	133.33x	1.53 mm	Estimate based on apparent field of view. 0.39°	52°	6 mm	Estimate based on apparent field of view. 8.17 mm	1.25	Available
High Point Plossl	12 mm	100x	2.03 mm	Estimate based on apparent field of view. 0.52°	52°	8 mm	Estimate based on apparent field of view. 10.89 mm	1.25	Available
High Point Plossl	15 mm	80x	2.54 mm	Estimate based on apparent field of view. 0.65°	52°	13 mm	Estimate based on apparent field of view. 13.61 mm	1.25	Available
High Point Plossl	20 mm	60x	3.39 mm	Estimate based on apparent field of view. 0.87°	52°	20 mm	Estimate based on apparent field of view. 18.15 mm	1.25	Available
High Point Plossl	25 mm	48x	4.24 mm	Estimate based on apparent field of view. 1.08°	52°	22 mm	Estimate based on apparent field of view. 22.69 mm	1.25	Available
High Point Plossl	32 mm	37.5x	5.42 mm	Estimate based on apparent field of view. 1.39°	52°	20 mm	Estimate based on apparent field of view. 29.04 mm	1.25	Available
High Point Plossl	40 mm	30x	6.78 mm	Estimate based on apparent field of view. 1.5°	45°	31 mm	Estimate based on apparent field of view. 31.41 mm	1.25	Available
High Point SuperView	15 mm	80x	2.54 mm	Estimate based on apparent field of view. 0.85°	68°	13 mm	Estimate based on apparent field of view. 17.8 mm	1.25	Available
High Point SuperView	20 mm	60x	3.39 mm	Estimate based on apparent field of view. 1.13°	68°	18 mm	Estimate based on apparent field of view. 23.73 mm	1.25	Available
High Point SuperView	30 mm	40x	5.08 mm	Estimate based on apparent field of view. 1.7°	68°	22 mm	Estimate based on apparent field of view. 35.6 mm	2	Available
High Point SuperView	42 mm	28.57x	7.12 mm	Estimate based on apparent field of view. 2.03°	58°	30 mm	Estimate based on apparent field of view. 42.51 mm	2	Available
High Point SuperView	50 mm	24x	8.47 mm	Estimate based on apparent field of view. 2°	48°	30 mm	Estimate based on apparent field of view. 41.88 mm	2	Available
Houdini Houdini	20 mm	60x	3.39 mm	1.43°	86°	19.7 mm	Provided by manufacturer or measured 30 mm	2	Available
Kasai Trading Co AstroPlan	5 mm	240x	0.85 mm	Estimate based on apparent field of view. 0.21°	50°	4.3 mm	Estimate based on apparent field of view. 4.36 mm	1.25	Available
Kasai Trading Co AstroPlan	7.5 mm	160x	1.27 mm	Estimate based on apparent field of view. 0.31°	50°	6.4 mm	Estimate based on apparent field of view. 6.54 mm	1.25	Available
Kokusai Kohki Fujiyama HD-OR	4 mm	300x	0.68 mm	0.12°	42°	3.4 mm	Provided by manufacturer or measured 2.6 mm	1.25	Available
Kokusai Kohki Fujiyama HD-OR	5 mm	240x	0.85 mm	0.16°	42°	4 mm	Provided by manufacturer or measured 3.4 mm	1.25	Available
Kokusai Kohki Fujiyama HD-OR	6 mm	200x	1.02 mm	0.2°	42°	4.9 mm	Provided by manufacturer or measured 4.2 mm	1.25	Available
Kokusai Kohki Fujiyama HD-OR	7 mm	171.43x	1.19 mm	0.23°	42°	6.1 mm	Provided by manufacturer or measured 4.8 mm	1.25	Available
Kokusai Kohki Fujiyama HD-OR	9 mm	133.33x	1.53 mm	0.3°	42°	7.6 mm	Provided by manufacturer or measured 6.3 mm	1.25	Available
Kokusai Kohki Fujiyama HD-OR	12.5 mm	96x	2.12 mm	0.44°	42°	10.4 mm	Provided by manufacturer or measured 9.2 mm	1.25	Available
Kokusai Kohki Fujiyama HD-OR	18 mm	66.67x	3.05 mm	0.6°	42°	15.2 mm	Provided by manufacturer or measured 12.5 mm	1.25	Available
Kokusai Kohki Fujiyama HD-OR	25 mm	48x	4.24 mm	0.83°	42°	22.2 mm	Provided by manufacturer or measured 17.4 mm	1.25	Available
Levenhuk ED	35 mm	34.29x	5.93 mm	Estimate based on apparent field of view. 1.98°	68°		Estimate based on apparent field of view. 41.54 mm	2	Available
Levenhuk ED	40 mm	30x	6.78 mm	Estimate based on apparent field of view. 2.27°	68°		Estimate based on apparent field of view. 47.47 mm	2	Available
Levenhuk ER20 WA	9 mm	133.33x	1.53 mm	Estimate based on apparent field of view. 0.51°	68°	20 mm	Estimate based on apparent field of view. 10.68 mm	1.25	Available
Levenhuk ER20 WA	12 mm	100x	2.03 mm	Estimate based on apparent field of view. 0.68°	68°	20 mm	Estimate based on apparent field of view. 14.24 mm	1.25	Available
Levenhuk ER20 WA	14.5 mm	82.76x	2.46 mm	Estimate based on apparent field of view. 0.82°	68°	20 mm	Estimate based on apparent field of view. 17.21 mm	1.25	Available
Levenhuk ER20 WA	18 mm	66.67x	3.05 mm	Estimate based on apparent field of view. 1.02°	68°	20 mm	Estimate based on apparent field of view. 21.36 mm	1.25	Available
Levenhuk LER	3 mm	400x	0.51 mm	Estimate based on apparent field of view. 0.14°	55°	20 mm	Estimate based on apparent field of view. 2.88 mm	1.25	Available
Levenhuk LER	6 mm	200x	1.02 mm	Estimate based on apparent field of view. 0.28°	55°	20 mm	Estimate based on apparent field of view. 5.76 mm	1.25	Available
Lunt Solar Flat Field	8 mm	150x	1.36 mm	Estimate based on apparent field of view. 0.4°	60°	10 mm	Estimate based on apparent field of view. 8.38 mm	1.25	Available
Lunt Solar Flat Field	12 mm	100x	2.03 mm	Estimate based on apparent field of view. 0.6°	60°	11 mm	Estimate based on apparent field of view. 12.57 mm	1.25	Available
Lunt Solar Flat Field	16 mm	75x	2.71 mm	Estimate based on apparent field of view. 0.8°	60°	10 mm	Estimate based on apparent field of view. 16.75 mm	1.25	Available
Lunt Solar Flat Field	19 mm	63.16x	3.22 mm	Estimate based on apparent field of view. 1.03°	65°	12 mm	Estimate based on apparent field of view. 21.55 mm	1.25	Available
Lunt Solar Flat Field	27 mm	44.44x	4.58 mm	Estimate based on apparent field of view. 1.19°	53°	18 mm	Estimate based on apparent field of view. 24.97 mm	1.25	Available
Lunt XWA HDC	3.5 mm	342.86x	0.59 mm	Estimate based on apparent field of view. 0.32°	110°	15 mm	Estimate based on apparent field of view. 6.72 mm	1.25 & 2	Available
Lunt XWA HDC	4.7 mm	255.32x	0.8 mm	Estimate based on apparent field of view. 0.43°	110°	15 mm	Estimate based on apparent field of view. 9.02 mm	1.25 & 2	Available
Lunt XWA HDC	7 mm	171.43x	1.19 mm	Estimate based on apparent field of view. 0.58°	100°	13 mm	Estimate based on apparent field of view. 12.22 mm	1.25 & 2	Available
Lunt XWA HDC	9 mm	133.33x	1.53 mm	Estimate based on apparent field of view. 0.75°	100°	13 mm	Estimate based on apparent field of view. 15.71 mm	1.25 & 2	Available
Lunt XWA HDC	13 mm	92.31x	2.2 mm	Estimate based on apparent field of view. 1.08°	100°	13 mm	Estimate based on apparent field of view. 22.69 mm	1.25 & 2	Available
Lunt XWA HDC	20 mm	60x	3.39 mm	Estimate based on apparent field of view. 1.67°	100°	15 mm	Estimate based on apparent field of view. 34.9 mm	2	Available
Masuyama Masuyama	26 mm	46.15x	4.41 mm	1.81°	85°	16 mm	Provided by manufacturer or measured 38 mm	2	Available
Masuyama Masuyama	32 mm	37.5x	5.42 mm	Estimate based on apparent field of view. 2.27°	85°	20 mm	Estimate based on apparent field of view. 47.47 mm	2	Available
Masuyama Masuyama	45 mm	26.67x	7.63 mm	Estimate based on apparent field of view. 1.99°	53°	32 mm	Estimate based on apparent field of view. 41.62 mm	2	Available
Masuyama Masuyama	50 mm	24x	8.47 mm	Estimate based on apparent field of view. 2.21°	53°	40 mm	Estimate based on apparent field of view. 46.25 mm	2	Available
Masuyama Masuyama	60 mm	20x	10.17 mm	Estimate based on apparent field of view. 2.3°	46°	46.5 mm	Estimate based on apparent field of view. 48.17 mm	2	Available
Masuyama Masuyama	80 mm	15x	13.56 mm	Estimate based on apparent field of view. 3.47°	52°		Estimate based on apparent field of view. 72.6 mm	3	Available
Meade Series 4000 Plossl	6.4 mm	187.5x	1.08 mm	Estimate based on apparent field of view. 0.28°	52°	2 mm	Estimate based on apparent field of view. 5.81 mm	1.25	Available
Meade Series 4000 Plossl	9.7 mm	123.71x	1.64 mm	Estimate based on apparent field of view. 0.42°	52°	5 mm	Estimate based on apparent field of view. 8.8 mm	1.25	Available
Meade Series 4000 Plossl	12.4 mm	96.77x	2.1 mm	Estimate based on apparent field of view. 0.54°	52°	7 mm	Estimate based on apparent field of view. 11.25 mm	1.25	Available
Meade Series 4000 Plossl	15 mm	80x	2.54 mm	Estimate based on apparent field of view. 0.65°	52°	9 mm	Estimate based on apparent field of view. 13.61 mm	1.25	Available
Meade Series 4000 Plossl	20 mm	60x	3.39 mm	Estimate based on apparent field of view. 0.87°	52°	13 mm	Estimate based on apparent field of view. 18.15 mm	1.25	Available
Meade Series 4000 Plossl	26 mm	46.15x	4.41 mm	Estimate based on apparent field of view. 1.13°	52°	18 mm	Estimate based on apparent field of view. 23.6 mm	1.25	Available
Meade Series 4000 Plossl	32 mm	37.5x	5.42 mm	Estimate based on apparent field of view. 1.39°	52°	20 mm	Estimate based on apparent field of view. 29.04 mm	1.25	Available
Meade Series 4000 Plossl	40 mm	30x	6.78 mm	Estimate based on apparent field of view. 1.47°	44°	30 mm	Estimate based on apparent field of view. 30.72 mm	1.25	Available
Meade Series 4000 Plossl	56 mm	21.43x	9.49 mm	2.2°	52°	21 mm	Provided by manufacturer or measured 46 mm	2	Available
Meade Series 5000 Mega Wide	5 mm	240x	0.85 mm	Estimate based on apparent field of view. 0.42°	100°	13 mm	Estimate based on apparent field of view. 8.73 mm	1.25	Available
Meade Series 5000 Mega Wide	10 mm	120x	1.69 mm	Estimate based on apparent field of view. 0.83°	100°	19.7 mm	Estimate based on apparent field of view. 17.45 mm	1.25	Available
Meade Series 5000 Mega Wide	15 mm	80x	2.54 mm	Estimate based on apparent field of view. 1.25°	100°	20 mm	Estimate based on apparent field of view. 26.18 mm	2	Available
Meade Series 5000 Mega Wide	21 mm	57.14x	3.56 mm	Estimate based on apparent field of view. 1.75°	100°	20 mm	Estimate based on apparent field of view. 36.65 mm	2	Available
Meade Series 5000 PWA	4 mm	300x	0.68 mm	Estimate based on apparent field of view. 0.27°	82°	12 mm	Estimate based on apparent field of view. 5.72 mm	1.25	Available
Meade Series 5000 PWA	7 mm	171.43x	1.19 mm	Estimate based on apparent field of view. 0.48°	82°	12 mm	Estimate based on apparent field of view. 10.02 mm	1.25	Available
Meade Series 5000 PWA	16 mm	75x	2.71 mm	Estimate based on apparent field of view. 1.09°	82°	12 mm	Estimate based on apparent field of view. 22.9 mm	1.25	Available
Meade Series 5000 PWA	28 mm	42.86x	4.75 mm	Estimate based on apparent field of view. 1.91°	82°	18 mm	Estimate based on apparent field of view. 40.07 mm	2	Available
Meade Series 5000 UHD	10 mm	120x	1.69 mm	Estimate based on apparent field of view. 0.5°	60°	16 mm	Estimate based on apparent field of view. 10.47 mm	1.25	Available
Meade Series 5000 UHD	15 mm	80x	2.54 mm	Estimate based on apparent field of view. 0.75°	60°	16 mm	Estimate based on apparent field of view. 15.71 mm	1.25	Available
Meade Series 5000 UHD	18 mm	66.67x	3.05 mm	Estimate based on apparent field of view. 0.97°	65°	20 mm	Estimate based on apparent field of view. 20.42 mm	1.25	Available
Meade Series 5000 UHD	24 mm	50x	4.07 mm	Estimate based on apparent field of view. 1.3°	65°	29 mm	Estimate based on apparent field of view. 27.23 mm	1.25	Available
Meade Series 5000 UHD	30 mm	40x	5.08 mm	Estimate based on apparent field of view. 1.75°	70°	22 mm	Estimate based on apparent field of view. 36.65 mm	2	Available
Meade Series 5000 Ultra Wide	5.5 mm	218.18x	0.93 mm	Estimate based on apparent field of view. 0.38°	82°	13.2 mm	Estimate based on apparent field of view. 7.87 mm	1.25	Available
Meade Series 5000 Ultra Wide	8.8 mm	136.36x	1.49 mm	Estimate based on apparent field of view. 0.6°	82°	15 mm	Estimate based on apparent field of view. 12.59 mm	1.25	Available
Meade Series 5000 Ultra Wide	14 mm	85.71x	2.37 mm	Estimate based on apparent field of view. 0.96°	82°	15 mm	Estimate based on apparent field of view. 20.03 mm	1.25	Available
Meade Series 5000 Ultra Wide	20 mm	60x	3.39 mm	Estimate based on apparent field of view. 1.37°	82°	17.6 mm	Estimate based on apparent field of view. 28.62 mm	2	Available
Nikon NAV-HW	12.5 mm	96x	2.12 mm	1.07°	102°	16 mm	Provided by manufacturer or measured 22.5 mm	1.25 & 2	Available
Nikon NAV-HW	17 mm	70.59x	2.88 mm	1.44°	102°	16 mm	Provided by manufacturer or measured 30.1 mm	2	Available
Nikon NAV-SW	5 mm	240x	0.85 mm	Estimate based on apparent field of view. 0.3°	72°	18 mm	Estimate based on apparent field of view. 6.28 mm	1.25	Available
Nikon NAV-SW	7 mm	171.43x	1.19 mm	Estimate based on apparent field of view. 0.42°	72°	17 mm	Estimate based on apparent field of view. 8.8 mm	1.25	Available
Nikon NAV-SW	10 mm	120x	1.69 mm	Estimate based on apparent field of view. 0.6°	72°	19 mm	Estimate based on apparent field of view. 12.57 mm	1.25	Available
Nikon NAV-SW	14 mm	85.71x	2.37 mm	Estimate based on apparent field of view. 0.84°	72°	18 mm	Estimate based on apparent field of view. 17.59 mm	1.25	Available
Nikon NAV-SW	17.5 mm	68.57x	2.97 mm	Estimate based on apparent field of view. 1.05°	72°	26 mm	Estimate based on apparent field of view. 21.99 mm	1.25	Available
Omegon Flatfield	8 mm	150x	1.36 mm	Estimate based on apparent field of view. 0.4°	60°	9 mm	Estimate based on apparent field of view. 8.38 mm	1.25	Available
Omegon Flatfield	12 mm	100x	2.03 mm	Estimate based on apparent field of view. 0.6°	60°	9 mm	Estimate based on apparent field of view. 12.57 mm	1.25	Available
Omegon Flatfield	16 mm	75x	2.71 mm	Estimate based on apparent field of view. 0.8°	60°	9 mm	Estimate based on apparent field of view. 16.75 mm	1.25	Available
Omegon Flatfield	19 mm	63.16x	3.22 mm	Estimate based on apparent field of view. 0.95°	60°	9 mm	Estimate based on apparent field of view. 19.9 mm	1.25	Available
Omegon Flatfield	27 mm	44.44x	4.58 mm	Estimate based on apparent field of view. 1.19°	53°	9 mm	Estimate based on apparent field of view. 24.97 mm	1.25	Available
Omegon Flatfield ED	5 mm	240x	0.85 mm	Estimate based on apparent field of view. 0.25°	60°	16 mm	Estimate based on apparent field of view. 5.24 mm	1.25	Available
Omegon Flatfield ED	8 mm	150x	1.36 mm	Estimate based on apparent field of view. 0.4°	60°	16 mm	Estimate based on apparent field of view. 8.38 mm	1.25	Available
Omegon Flatfield ED	12 mm	100x	2.03 mm	Estimate based on apparent field of view. 0.6°	60°	16 mm	Estimate based on apparent field of view. 12.57 mm	1.25	Available
Omegon Flatfield ED	15 mm	80x	2.54 mm	Estimate based on apparent field of view. 0.75°	60°	16 mm	Estimate based on apparent field of view. 15.71 mm	1.25	Available
Omegon Flatfield ED	18 mm	66.67x	3.05 mm	Estimate based on apparent field of view. 0.9°	60°	16 mm	Estimate based on apparent field of view. 18.85 mm	1.25	Available
Omegon Flatfield ED	25 mm	48x	4.24 mm	Estimate based on apparent field of view. 1.25°	60°	16 mm	Estimate based on apparent field of view. 26.18 mm	1.25	Available
Omegon Panorama II	5 mm	240x	0.85 mm	Estimate based on apparent field of view. 0.42°	100°	20 mm	Estimate based on apparent field of view. 8.73 mm	1.25	Available
Omegon Panorama II	10 mm	120x	1.69 mm	Estimate based on apparent field of view. 0.83°	100°	20 mm	Estimate based on apparent field of view. 17.45 mm	1.25	Available
Omegon Panorama II	15 mm	80x	2.54 mm	Estimate based on apparent field of view. 1.25°	100°	20 mm	Estimate based on apparent field of view. 26.18 mm	2	Available
Omegon Panorama II	21 mm	57.14x	3.56 mm	Estimate based on apparent field of view. 1.75°	100°	20 mm	Estimate based on apparent field of view. 36.65 mm	2	Available
Orion DeepView	28 mm	42.86x	4.75 mm	1.29°	56°	20 mm	Provided by manufacturer or measured 27 mm	2	Available
Orion DeepView	35 mm	34.29x	5.93 mm	1.77°	56°	20 mm	Provided by manufacturer or measured 37 mm	2	Available
Orion DeepView	42 mm	28.57x	7.12 mm	1.81°	52°	20 mm	Provided by manufacturer or measured 38 mm	2	Available
Orion E-Series	3.6 mm	333.33x	0.61 mm	Estimate based on apparent field of view. 0.12°	40°	5 mm	Estimate based on apparent field of view. 2.51 mm	1.25	Available
Orion E-Series	6.3 mm	190.48x	1.07 mm	Estimate based on apparent field of view. 0.24°	46°	8 mm	Estimate based on apparent field of view. 5.06 mm	1.25	Available
Orion EF	8 mm	150x	1.36 mm	Estimate based on apparent field of view. 0.4°	60°	10 mm	Estimate based on apparent field of view. 8.38 mm	1.25	Available
Orion EF	12 mm	100x	2.03 mm	Estimate based on apparent field of view. 0.6°	60°	15 mm	Estimate based on apparent field of view. 12.57 mm	1.25	Available
Orion EF	16 mm	75x	2.71 mm	0.8°	60°	15.5 mm	Provided by manufacturer or measured 16.8 mm	1.25	Available
Orion EF	19 mm	63.16x	3.22 mm	Estimate based on apparent field of view. 1.03°	65°	18.5 mm	Estimate based on apparent field of view. 21.55 mm	1.25	Available
Orion EF	27 mm	44.44x	4.58 mm	Estimate based on apparent field of view. 1.19°	53°	23 mm	Estimate based on apparent field of view. 24.97 mm	1.25	Available
Orion Edge-On	3 mm	400x	0.51 mm	0.27°	55°	20 mm	Provided by manufacturer or measured 5.6 mm	1.25	Available
Orion Edge-On	5 mm	240x	0.85 mm	0.42°	55°	20 mm	Provided by manufacturer or measured 8.7 mm	1.25	Available
Orion Edge-On	6 mm	200x	1.02 mm	Estimate based on apparent field of view. 0.28°	55°	20 mm	Estimate based on apparent field of view. 5.76 mm	1.25	Available
Orion Edge-On	9 mm	133.33x	1.53 mm	0.56°	55°	20 mm	Provided by manufacturer or measured 11.7 mm	1.25	Available
Orion Edge-On	12.5 mm	96x	2.12 mm	0.74°	55°	20 mm	Provided by manufacturer or measured 15.6 mm	1.25	Available
Orion Edge-On	14.5 mm	82.76x	2.46 mm	0.66°	55°	20 mm	Provided by manufacturer or measured 13.9 mm	1.25	Available
Orion Expanse	6 mm	200x	1.02 mm	Estimate based on apparent field of view. 0.33°	66°	14.8 mm	Estimate based on apparent field of view. 6.91 mm	1.25	Available
Orion Expanse	9 mm	133.33x	1.53 mm	Estimate based on apparent field of view. 0.49°	66°	15 mm	Estimate based on apparent field of view. 10.37 mm	1.25	Available
Orion Expanse	15 mm	80x	2.54 mm	0.81°	66°	13 mm	Provided by manufacturer or measured 17 mm	1.25	Available
Orion Expanse	20 mm	60x	3.39 mm	1.12°	66°	18 mm	Provided by manufacturer or measured 23.5 mm	1.25	Available
Orion LHD Lanthanum Ultra-Wide	4 mm	300x	0.68 mm	Estimate based on apparent field of view. 0.27°	80°	20 mm	Estimate based on apparent field of view. 5.58 mm	1.25	Available
Orion LHD Lanthanum Ultra-Wide	6 mm	200x	1.02 mm	Estimate based on apparent field of view. 0.4°	80°	20 mm	Estimate based on apparent field of view. 8.38 mm	1.25	Available
Orion LHD Lanthanum Ultra-Wide	9 mm	133.33x	1.53 mm	Estimate based on apparent field of view. 0.6°	80°	20 mm	Estimate based on apparent field of view. 12.57 mm	1.25	Available
Orion LHD Lanthanum Ultra-Wide	14 mm	85.71x	2.37 mm	1.46°	80°	20 mm	Provided by manufacturer or measured 30.6 mm	2	Available
Orion LHD Lanthanum Ultra-Wide	20 mm	60x	3.39 mm	1.66°	80°	20 mm	Provided by manufacturer or measured 34.8 mm	2	Available
Orion Q70	26 mm	46.15x	4.41 mm	1.54°	70°	20 mm	Provided by manufacturer or measured 32.3 mm	2	Available
Orion Q70	32 mm	37.5x	5.42 mm	1.91°	70°	24 mm	Provided by manufacturer or measured 40 mm	2	Available
Orion Q70	38 mm	31.58x	6.44 mm	2.18°	70°	28 mm	Provided by manufacturer or measured 45.7 mm	2	Available
Orion Sirius	6.3 mm	190.48x	1.07 mm	0.24°	52°	4.1 mm	Provided by manufacturer or measured 5 mm	1.25	Available
Orion Sirius	7.5 mm	160x	1.27 mm	0.28°	52°	4.9 mm	Provided by manufacturer or measured 5.8 mm	1.25	Available
Orion Sirius	10 mm	120x	1.69 mm	0.38°	52°	6.5 mm	Provided by manufacturer or measured 8 mm	1.25	Available
Orion Sirius	12.5 mm	96x	2.12 mm	0.49°	52°	8.1 mm	Provided by manufacturer or measured 10.2 mm	1.25	Available
Orion Sirius	17 mm	70.59x	2.88 mm	0.83°	52°	11 mm	Provided by manufacturer or measured 17.4 mm	1.25	Available
Orion Sirius	20 mm	60x	3.39 mm	0.82°	52°	13 mm	Provided by manufacturer or measured 17.1 mm	1.25	Available
Orion Sirius	25 mm	48x	4.24 mm	1.15°	52°	16.9 mm	Provided by manufacturer or measured 24.1 mm	1.25	Available
Orion Sirius	32 mm	37.5x	5.42 mm	1.37°	52°	20 mm	Provided by manufacturer or measured 28.6 mm	1.25	Available
Orion Sirius	40 mm	30x	6.78 mm	1.36°	43°	20 mm	Provided by manufacturer or measured 28.5 mm	1.25	Available
Orion Stratus	3.5 mm	342.86x	0.59 mm	0.24°	68°	20 mm	Provided by manufacturer or measured 5.1 mm	1.25 & 2	Available
Orion Stratus	5 mm	240x	0.85 mm	0.35°	68°	20 mm	Provided by manufacturer or measured 7.3 mm	1.25 & 2	Available
Orion Stratus	8 mm	150x	1.36 mm	0.51°	68°	20 mm	Provided by manufacturer or measured 10.7 mm	1.25 & 2	Available
Orion Stratus	13 mm	92.31x	2.2 mm	0.91°	68°	20 mm	Provided by manufacturer or measured 19 mm	1.25 & 2	Available
Orion Stratus	17 mm	70.59x	2.88 mm	1.1°	68°	20 mm	Provided by manufacturer or measured 23 mm	1.25 & 2	Available
Orion Ultra Flat	10 mm	120x	1.69 mm	0.7°	65°	16 mm	Provided by manufacturer or measured 14.7 mm	1.25	Available
Orion Ultra Flat	15 mm	80x	2.54 mm	0.94°	65°	16 mm	Provided by manufacturer or measured 19.6 mm	1.25	Available
Orion Ultra Flat	24 mm	50x	4.07 mm	1.44°	65°	29 mm	Provided by manufacturer or measured 30.2 mm	2	Available
Pentax XF	8.5 mm	141.18x	1.44 mm	Estimate based on apparent field of view. 0.42°	60°	18 mm	Estimate based on apparent field of view. 8.9 mm	1.25	Available
Pentax XF	12 mm	100x	2.03 mm	Estimate based on apparent field of view. 0.6°	60°	18 mm	Estimate based on apparent field of view. 12.57 mm	1.25	Available
Pentax XW	3.5 mm	342.86x	0.59 mm	0.21°	70°	20 mm	Provided by manufacturer or measured 4.3 mm	1.25	Available
Pentax XW	5 mm	240x	0.85 mm	0.3°	70°	20 mm	Provided by manufacturer or measured 6.2 mm	1.25	Available
Pentax XW	7 mm	171.43x	1.19 mm	0.42°	70°	20 mm	Provided by manufacturer or measured 8.8 mm	1.25	Available
Pentax XW	10 mm	120x	1.69 mm	0.59°	70°	20 mm	Provided by manufacturer or measured 12.4 mm	1.25	Available
Pentax XW	14 mm	85.71x	2.37 mm	0.84°	70°	20 mm	Provided by manufacturer or measured 17.6 mm	1.25	Available
Pentax XW	20 mm	60x	3.39 mm	1.15°	70°	20 mm	Provided by manufacturer or measured 24 mm	1.25	Available
Pentax XW	30 mm	40x	5.08 mm	1.73°	70°	20 mm	Provided by manufacturer or measured 36.2 mm	2	Available
Pentax XW	40 mm	30x	6.78 mm	2.22°	70°	20 mm	Provided by manufacturer or measured 46.5 mm	2	Available
Pentax XW85	16.5 mm	72.73x	2.8 mm	Estimate based on apparent field of view. 1.17°	85°	20 mm	Estimate based on apparent field of view. 24.48 mm	2	Available
Pentax XW85	23 mm	52.17x	3.9 mm	Estimate based on apparent field of view. 1.63°	85°	20 mm	Estimate based on apparent field of view. 34.12 mm	2	Available
SkyWatcher Aero ED	30 mm	40x	5.08 mm	Estimate based on apparent field of view. 1.7°	68°	16.7 mm	Estimate based on apparent field of view. 35.6 mm	2	Available
SkyWatcher Aero ED	35 mm	34.29x	5.93 mm	Estimate based on apparent field of view. 1.98°	68°	17.5 mm	Estimate based on apparent field of view. 41.54 mm	2	Available
SkyWatcher Aero ED	40 mm	30x	6.78 mm	Estimate based on apparent field of view. 2.27°	68°	20 mm	Estimate based on apparent field of view. 47.47 mm	2	Available
SkyWatcher Extra Flat	16 mm	75x	2.71 mm	Estimate based on apparent field of view. 0.8°	60°	17 mm	Estimate based on apparent field of view. 16.75 mm	1.25	Available
SkyWatcher Extra Flat	19 mm	63.16x	3.22 mm	Estimate based on apparent field of view. 1.03°	65°	19 mm	Estimate based on apparent field of view. 21.55 mm	1.25	Available
SkyWatcher Extra Flat	27 mm	44.44x	4.58 mm	Estimate based on apparent field of view. 1.19°	53°	23 mm	Estimate based on apparent field of view. 24.97 mm	1.25	Available
SkyWatcher LER	2 mm	600x	0.34 mm	Estimate based on apparent field of view. 0.07°	45°	20 mm	Estimate based on apparent field of view. 1.57 mm	1.25	Available
SkyWatcher LER	9 mm	133.33x	1.53 mm	Estimate based on apparent field of view. 0.38°	50°	20 mm	Estimate based on apparent field of view. 7.85 mm	1.25	Available
SkyWatcher LER	20 mm	60x	3.39 mm	Estimate based on apparent field of view. 0.83°	50°	20 mm	Estimate based on apparent field of view. 17.45 mm	1.25	Available
SkyWatcher LER	25 mm	48x	4.24 mm	Estimate based on apparent field of view. 1.04°	50°	20 mm	Estimate based on apparent field of view. 21.82 mm	1.25	Available
SkyWatcher LET	28 mm	42.86x	4.75 mm	Estimate based on apparent field of view. 1.31°	56°	20 mm	Estimate based on apparent field of view. 27.36 mm	2	Available
SkyWatcher LET	35 mm	34.29x	5.93 mm	Estimate based on apparent field of view. 1.63°	56°	20 mm	Estimate based on apparent field of view. 34.21 mm	2	Available
SkyWatcher LET	42 mm	28.57x	7.12 mm	Estimate based on apparent field of view. 1.82°	52°	20 mm	Estimate based on apparent field of view. 38.12 mm	2	Available
SkyWatcher Myriad	3.5 mm	342.86x	0.59 mm	0.5°	110°	15 mm	Provided by manufacturer or measured 10.5 mm	1.25 & 2	Available
SkyWatcher Myriad	5 mm	240x	0.85 mm	0.62°	110°	15 mm	Provided by manufacturer or measured 13 mm	1.25 & 2	Available
SkyWatcher Myriad	9 mm	133.33x	1.53 mm	0.75°	100°	13 mm	Provided by manufacturer or measured 15.7 mm	1.25 & 2	Available
SkyWatcher Myriad	20 mm	60x	3.39 mm	1.77°	100°	15 mm	Provided by manufacturer or measured 37 mm	2	Available
SkyWatcher Nirvana	4 mm	300x	0.68 mm	Estimate based on apparent field of view. 0.27°	82°	12 mm	Estimate based on apparent field of view. 5.72 mm	1.25	Available
SkyWatcher Nirvana	7 mm	171.43x	1.19 mm	Estimate based on apparent field of view. 0.48°	82°	12 mm	Estimate based on apparent field of view. 10.02 mm	1.25	Available
SkyWatcher Nirvana	16 mm	75x	2.71 mm	Estimate based on apparent field of view. 1.09°	82°	12 mm	Estimate based on apparent field of view. 22.9 mm	1.25	Available
SkyWatcher Nirvana	28 mm	42.86x	4.75 mm	Estimate based on apparent field of view. 1.91°	82°	18 mm	Estimate based on apparent field of view. 40.07 mm	2	Available
SkyWatcher Panaview	26 mm	46.15x	4.41 mm	Estimate based on apparent field of view. 1.52°	70°	20 mm	Estimate based on apparent field of view. 31.76 mm	2	Available
SkyWatcher Panaview	32 mm	37.5x	5.42 mm	Estimate based on apparent field of view. 1.87°	70°	24 mm	Estimate based on apparent field of view. 39.09 mm	2	Available
SkyWatcher Panaview	38 mm	31.58x	6.44 mm	Estimate based on apparent field of view. 2.22°	70°	28 mm	Estimate based on apparent field of view. 46.42 mm	2	Available
SkyWatcher Planetary	2.5 mm	480x	0.42 mm	Estimate based on apparent field of view. 0.12°	58°	16 mm	Estimate based on apparent field of view. 2.53 mm	1.25	Available
SkyWatcher Planetary	4 mm	300x	0.68 mm	Estimate based on apparent field of view. 0.19°	58°	16 mm	Estimate based on apparent field of view. 4.05 mm	1.25	Available
SkyWatcher Planetary	5 mm	240x	0.85 mm	Estimate based on apparent field of view. 0.24°	58°	16 mm	Estimate based on apparent field of view. 5.06 mm	1.25	Available
SkyWatcher Planetary	6 mm	200x	1.02 mm	Estimate based on apparent field of view. 0.29°	58°	16 mm	Estimate based on apparent field of view. 6.07 mm	1.25	Available
SkyWatcher Planetary	7 mm	171.43x	1.19 mm	Estimate based on apparent field of view. 0.34°	58°	16 mm	Estimate based on apparent field of view. 7.09 mm	1.25	Available
SkyWatcher Planetary	9 mm	133.33x	1.53 mm	Estimate based on apparent field of view. 0.43°	58°	16 mm	Estimate based on apparent field of view. 9.11 mm	1.25	Available
SkyWatcher Plossl	6.3 mm	190.48x	1.07 mm	Estimate based on apparent field of view. 0.27°	52°		Estimate based on apparent field of view. 5.72 mm	1.25	Available
SkyWatcher Plossl	7.5 mm	160x	1.27 mm	Estimate based on apparent field of view. 0.33°	52°		Estimate based on apparent field of view. 6.81 mm	1.25	Available
SkyWatcher Plossl	10 mm	120x	1.69 mm	Estimate based on apparent field of view. 0.43°	52°		Estimate based on apparent field of view. 9.08 mm	1.25	Available
SkyWatcher Plossl	12.5 mm	96x	2.12 mm	Estimate based on apparent field of view. 0.54°	52°		Estimate based on apparent field of view. 11.34 mm	1.25	Available
SkyWatcher Plossl	17 mm	70.59x	2.88 mm	Estimate based on apparent field of view. 0.74°	52°		Estimate based on apparent field of view. 15.43 mm	1.25	Available
SkyWatcher Plossl	20 mm	60x	3.39 mm	Estimate based on apparent field of view. 0.87°	52°		Estimate based on apparent field of view. 18.15 mm	1.25	Available
SkyWatcher Plossl	25 mm	48x	4.24 mm	Estimate based on apparent field of view. 1.08°	52°		Estimate based on apparent field of view. 22.69 mm	1.25	Available
SkyWatcher Plossl	32 mm	37.5x	5.42 mm	Estimate based on apparent field of view. 1.39°	52°		Estimate based on apparent field of view. 29.04 mm	1.25	Available
SkyWatcher Plossl	40 mm	30x	6.78 mm	Estimate based on apparent field of view. 1.73°	52°		Estimate based on apparent field of view. 36.3 mm	1.25	Available
SkyWatcher Sky Panorama	7 mm	171.43x	1.19 mm	Estimate based on apparent field of view. 0.48°	82°	12 mm	Estimate based on apparent field of view. 10.02 mm	1.25	Available
SkyWatcher Sky Panorama	15 mm	80x	2.54 mm	Estimate based on apparent field of view. 1.02°	82°	14 mm	Estimate based on apparent field of view. 21.47 mm	1.25	Available
SkyWatcher Sky Panorama	23 mm	52.17x	3.9 mm	Estimate based on apparent field of view. 1.57°	82°	14 mm	Estimate based on apparent field of view. 32.91 mm	2	Available
SkyWatcher Super MA	3.6 mm	333.33x	0.61 mm	Estimate based on apparent field of view. 0.12°	40°		Estimate based on apparent field of view. 2.51 mm	1.25	Available
SkyWatcher Super MA	10 mm	120x	1.69 mm	Estimate based on apparent field of view. 0.43°	52°		Estimate based on apparent field of view. 9.08 mm	1.25	Available
SkyWatcher Super MA	25 mm	48x	4.24 mm	Estimate based on apparent field of view. 1.04°	50°		Estimate based on apparent field of view. 21.82 mm	1.25	Available
SkyWatcher Super Wide	3.5 mm	342.86x	0.59 mm	Estimate based on apparent field of view. 0.2°	70°	20.6 mm	Estimate based on apparent field of view. 4.28 mm	1.25 & 2	Available
SkyWatcher Super Wide	5 mm	240x	0.85 mm	Estimate based on apparent field of view. 0.29°	70°	20.6 mm	Estimate based on apparent field of view. 6.11 mm	1.25 & 2	Available
SkyWatcher Super Wide	8 mm	150x	1.36 mm	Estimate based on apparent field of view. 0.47°	70°	20.6 mm	Estimate based on apparent field of view. 9.77 mm	1.25 & 2	Available
SkyWatcher Super Wide	13 mm	92.31x	2.2 mm	Estimate based on apparent field of view. 0.76°	70°	20.6 mm	Estimate based on apparent field of view. 15.88 mm	1.25 & 2	Available
SkyWatcher Super Wide	17 mm	70.59x	2.88 mm	Estimate based on apparent field of view. 0.99°	70°	20.6 mm	Estimate based on apparent field of view. 20.77 mm	1.25 & 2	Available
SkyWatcher Super Wide	22 mm	54.55x	3.73 mm	Estimate based on apparent field of view. 1.28°	70°	20.6 mm	Estimate based on apparent field of view. 26.88 mm	2	Available
SkyWatcher Super Wide	32 mm	37.5x	5.42 mm	Estimate based on apparent field of view. 1.87°	70°	20.6 mm	Estimate based on apparent field of view. 39.09 mm	2	Available
SkyWatcher Ultra Wide	6 mm	200x	1.02 mm	Estimate based on apparent field of view. 0.33°	66°	14.8 mm	Estimate based on apparent field of view. 6.91 mm	1.25	Available
SkyWatcher Ultra Wide	9 mm	133.33x	1.53 mm	Estimate based on apparent field of view. 0.49°	66°	15 mm	Estimate based on apparent field of view. 10.37 mm	1.25	Available
SkyWatcher Ultra Wide	15 mm	80x	2.54 mm	Estimate based on apparent field of view. 0.82°	66°	13 mm	Estimate based on apparent field of view. 17.28 mm	1.25	Available
SkyWatcher Ultra Wide	20 mm	60x	3.39 mm	Estimate based on apparent field of view. 1.1°	66°	18 mm	Estimate based on apparent field of view. 23.04 mm	1.25	Available
StellarVue Optimus	3.6 mm	333.33x	0.61 mm	Estimate based on apparent field of view. 0.33°	110°	15 mm	Estimate based on apparent field of view. 6.91 mm	1.25 & 2	Available
StellarVue Optimus	4.7 mm	255.32x	0.8 mm	Estimate based on apparent field of view. 0.43°	110°	15 mm	Estimate based on apparent field of view. 9.02 mm	1.25 & 2	Available
StellarVue Optimus	9 mm	133.33x	1.53 mm	Estimate based on apparent field of view. 0.75°	100°	15 mm	Estimate based on apparent field of view. 15.71 mm	1.25 & 2	Available
StellarVue Optimus	20 mm	60x	3.39 mm	Estimate based on apparent field of view. 1.67°	100°	15 mm	Estimate based on apparent field of view. 34.9 mm	2	Available
StellarVue Planetary	4.9 mm	244.9x	0.83 mm	0.41°	55°	20 mm	Provided by manufacturer or measured 8.5 mm	1.25	Available
StellarVue Planetary	6.1 mm	196.72x	1.03 mm	0.43°	55°	20 mm	Provided by manufacturer or measured 9 mm	1.25	Available
StellarVue Plossl	9 mm	133.33x	1.53 mm	0.36°	52°	6 mm	Provided by manufacturer or measured 7.5 mm	1.25	Available
StellarVue Plossl	25 mm	48x	4.24 mm	1.03°	52°	22 mm	Provided by manufacturer or measured 21.5 mm	1.25	Available
StellarVue Ultra Wide	4 mm	300x	0.68 mm	0.36°	82°	12 mm	Provided by manufacturer or measured 7.5 mm	1.25	Available
StellarVue Ultra Wide	8 mm	150x	1.36 mm	0.65°	82°	12 mm	Provided by manufacturer or measured 13.6 mm	1.25	Available
StellarVue Ultra Wide	15 mm	80x	2.54 mm	1.19°	82°	12 mm	Provided by manufacturer or measured 25 mm	1.25	Available
Sterling Plossl	4 mm	300x	0.68 mm	Estimate based on apparent field of view. 0.18°	55°	2.4 mm	Estimate based on apparent field of view. 3.84 mm	1.25	Available
Sterling Plossl	6 mm	200x	1.02 mm	Estimate based on apparent field of view. 0.28°	55°	3.6 mm	Estimate based on apparent field of view. 5.76 mm	1.25	Available
Sterling Plossl	12.5 mm	96x	2.12 mm	Estimate based on apparent field of view. 0.57°	55°	7.5 mm	Estimate based on apparent field of view. 12 mm	1.25	Available
Sterling Plossl	17 mm	70.59x	2.88 mm	Estimate based on apparent field of view. 0.78°	55°	10.2 mm	Estimate based on apparent field of view. 16.32 mm	1.25	Available
Sterling Plossl	20 mm	60x	3.39 mm	Estimate based on apparent field of view. 0.92°	55°	12 mm	Estimate based on apparent field of view. 19.2 mm	1.25	Available
Sterling Plossl	25 mm	48x	4.24 mm	Estimate based on apparent field of view. 1.15°	55°	15 mm	Estimate based on apparent field of view. 24 mm	1.25	Available
Sterling Plossl	30 mm	40x	5.08 mm	Estimate based on apparent field of view. 1.38°	55°	18 mm	Estimate based on apparent field of view. 28.8 mm	2	Available
Sterling Plossl	40 mm	30x	6.78 mm	Estimate based on apparent field of view. 1.83°	55°	24 mm	Estimate based on apparent field of view. 38.39 mm	2	Available
Svbony SWA 72 Series	34 mm	35.29x	5.76 mm	1.91°	72°	24 mm	Provided by manufacturer or measured 40 mm	2	Available
TS Optics ED	3.2 mm	375x	0.54 mm	Estimate based on apparent field of view. 0.16°	60°	16 mm	Estimate based on apparent field of view. 3.35 mm	1.25	Available
TS Optics ED	5 mm	240x	0.85 mm	Estimate based on apparent field of view. 0.25°	60°	16 mm	Estimate based on apparent field of view. 5.24 mm	1.25	Available
TS Optics ED	8 mm	150x	1.36 mm	Estimate based on apparent field of view. 0.4°	60°	16 mm	Estimate based on apparent field of view. 8.38 mm	1.25	Available
TS Optics ED	12 mm	100x	2.03 mm	Estimate based on apparent field of view. 0.6°	60°	16 mm	Estimate based on apparent field of view. 12.57 mm	1.25	Available
TS Optics ED	15 mm	80x	2.54 mm	Estimate based on apparent field of view. 0.75°	60°	16 mm	Estimate based on apparent field of view. 15.71 mm	1.25	Available
TS Optics ED	18 mm	66.67x	3.05 mm	Estimate based on apparent field of view. 0.9°	60°	16 mm	Estimate based on apparent field of view. 18.85 mm	1.25	Available
TS Optics ED	25 mm	48x	4.24 mm	Estimate based on apparent field of view. 1.25°	60°	16 mm	Estimate based on apparent field of view. 26.18 mm	1.25	Available
TS Optics Edge-On	8 mm	150x	1.36 mm	0.43°	60°	9 mm	Provided by manufacturer or measured 9 mm	1.25	Available
TS Optics Edge-On	12 mm	100x	2.03 mm	0.62°	60°	12 mm	Provided by manufacturer or measured 13 mm	1.25	Available
TS Optics Edge-On	16 mm	75x	2.71 mm	0.79°	60°	17 mm	Provided by manufacturer or measured 16.6 mm	1.25	Available
TS Optics Edge-On	19 mm	63.16x	3.22 mm	1.02°	65°	17 mm	Provided by manufacturer or measured 21.3 mm	1.25	Available
TS Optics Edge-On	27 mm	44.44x	4.58 mm	1.17°	53°	21 mm	Provided by manufacturer or measured 24.4 mm	1.25	Available
TS Optics Expanse	3.5 mm	342.86x	0.59 mm	Estimate based on apparent field of view. 0.2°	70°	20 mm	Estimate based on apparent field of view. 4.28 mm	1.25 & 2	Available
TS Optics Expanse	5 mm	240x	0.85 mm	Estimate based on apparent field of view. 0.29°	70°	20 mm	Estimate based on apparent field of view. 6.11 mm	1.25 & 2	Available
TS Optics Expanse	8 mm	150x	1.36 mm	Estimate based on apparent field of view. 0.47°	70°	20 mm	Estimate based on apparent field of view. 9.77 mm	1.25 & 2	Available
TS Optics Expanse	13 mm	92.31x	2.2 mm	Estimate based on apparent field of view. 0.76°	70°	20 mm	Estimate based on apparent field of view. 15.88 mm	1.25 & 2	Available
TS Optics Expanse	17 mm	70.59x	2.88 mm	Estimate based on apparent field of view. 0.99°	70°	20 mm	Estimate based on apparent field of view. 20.77 mm	1.25 & 2	Available
TS Optics Expanse	22 mm	54.55x	3.73 mm	Estimate based on apparent field of view. 1.28°	70°	20 mm	Estimate based on apparent field of view. 26.88 mm	1.25 & 2	Available
TS Optics Paragon	3.8 mm	315.79x	0.64 mm	Estimate based on apparent field of view. 0.16°	50°	20 mm	Estimate based on apparent field of view. 3.32 mm	1.25	Available
TS Optics Paragon	5.2 mm	230.77x	0.88 mm	Estimate based on apparent field of view. 0.22°	50°	20 mm	Estimate based on apparent field of view. 4.54 mm	1.25	Available
TS Optics Paragon	7.5 mm	160x	1.27 mm	Estimate based on apparent field of view. 0.31°	50°	20 mm	Estimate based on apparent field of view. 6.54 mm	1.25	Available
TS Optics Paragon	9.5 mm	126.32x	1.61 mm	Estimate based on apparent field of view. 0.4°	50°	20 mm	Estimate based on apparent field of view. 8.29 mm	1.25	Available
TS Optics Paragon	12.5 mm	96x	2.12 mm	Estimate based on apparent field of view. 0.52°	50°	20 mm	Estimate based on apparent field of view. 10.91 mm	1.25	Available
TS Optics Paragon	14 mm	85.71x	2.37 mm	Estimate based on apparent field of view. 0.58°	50°	20 mm	Estimate based on apparent field of view. 12.22 mm	1.25	Available
TS Optics Paragon	18 mm	66.67x	3.05 mm	Estimate based on apparent field of view. 0.75°	50°	20 mm	Estimate based on apparent field of view. 15.71 mm	1.25	Available
TS Optics Paragon	21 mm	57.14x	3.56 mm	Estimate based on apparent field of view. 0.88°	50°	20 mm	Estimate based on apparent field of view. 18.32 mm	1.25	Available
TS Optics Paragon	25 mm	48x	4.24 mm	Estimate based on apparent field of view. 1.04°	50°	20 mm	Estimate based on apparent field of view. 21.82 mm	1.25	Available
TS Optics Paragon (2")	30 mm	40x	5.08 mm	Estimate based on apparent field of view. 1.73°	69°	16.7 mm	Estimate based on apparent field of view. 36.13 mm	2	Available
TS Optics Paragon (2")	35 mm	34.29x	5.93 mm	Estimate based on apparent field of view. 2.01°	69°	17.5 mm	Estimate based on apparent field of view. 42.15 mm	2	Available
TS Optics Paragon (2")	40 mm	30x	6.78 mm	Estimate based on apparent field of view. 2.3°	69°	20 mm	Estimate based on apparent field of view. 48.17 mm	2	Available
TS Optics Planetary HR	2.5 mm	480x	0.42 mm	Estimate based on apparent field of view. 0.12°	58°	16 mm	Estimate based on apparent field of view. 2.53 mm	1.25	Available
TS Optics Planetary HR	3.2 mm	375x	0.54 mm	Estimate based on apparent field of view. 0.15°	58°	16 mm	Estimate based on apparent field of view. 3.24 mm	1.25	Available
TS Optics Planetary HR	4 mm	300x	0.68 mm	Estimate based on apparent field of view. 0.19°	58°	16 mm	Estimate based on apparent field of view. 4.05 mm	1.25	Available
TS Optics Planetary HR	5 mm	240x	0.85 mm	Estimate based on apparent field of view. 0.24°	58°	16 mm	Estimate based on apparent field of view. 5.06 mm	1.25	Available
TS Optics Planetary HR	6 mm	200x	1.02 mm	Estimate based on apparent field of view. 0.29°	58°	16 mm	Estimate based on apparent field of view. 6.07 mm	1.25	Available
TS Optics Planetary HR	7 mm	171.43x	1.19 mm	Estimate based on apparent field of view. 0.34°	58°	16 mm	Estimate based on apparent field of view. 7.09 mm	1.25	Available
TS Optics Planetary HR	8 mm	150x	1.36 mm	Estimate based on apparent field of view. 0.39°	58°	16 mm	Estimate based on apparent field of view. 8.1 mm	1.25	Available
TS Optics Planetary HR	9 mm	133.33x	1.53 mm	Estimate based on apparent field of view. 0.43°	58°	16 mm	Estimate based on apparent field of view. 9.11 mm	1.25	Available
TS Optics Planetary HR	15 mm	80x	2.54 mm	Estimate based on apparent field of view. 0.72°	58°	16 mm	Estimate based on apparent field of view. 15.18 mm	1.25	Available
TS Optics Planetary HR	20 mm	60x	3.39 mm	Estimate based on apparent field of view. 0.97°	58°	16 mm	Estimate based on apparent field of view. 20.24 mm	1.25	Available
TS Optics Planetary HR	25 mm	48x	4.24 mm	Estimate based on apparent field of view. 1.21°	58°	16 mm	Estimate based on apparent field of view. 25.31 mm	1.25	Available
TS Optics Plossl	4 mm	300x	0.68 mm	Estimate based on apparent field of view. 0.17°	50°		Estimate based on apparent field of view. 3.49 mm	1.25	Available
TS Optics Plossl	6.3 mm	190.48x	1.07 mm	Estimate based on apparent field of view. 0.26°	50°		Estimate based on apparent field of view. 5.5 mm	1.25	Available
TS Optics Plossl	10 mm	120x	1.69 mm	Estimate based on apparent field of view. 0.42°	50°		Estimate based on apparent field of view. 8.73 mm	1.25	Available
TS Optics Plossl	12.5 mm	96x	2.12 mm	Estimate based on apparent field of view. 0.52°	50°		Estimate based on apparent field of view. 10.91 mm	1.25	Available
TS Optics Plossl	15 mm	80x	2.54 mm	Estimate based on apparent field of view. 0.63°	50°		Estimate based on apparent field of view. 13.09 mm	1.25	Available
TS Optics Plossl	17 mm	70.59x	2.88 mm	Estimate based on apparent field of view. 0.71°	50°		Estimate based on apparent field of view. 14.83 mm	1.25	Available
TS Optics Plossl	20 mm	60x	3.39 mm	Estimate based on apparent field of view. 0.83°	50°		Estimate based on apparent field of view. 17.45 mm	1.25	Available
TS Optics Plossl	25 mm	48x	4.24 mm	Estimate based on apparent field of view. 1.04°	50°		Estimate based on apparent field of view. 21.82 mm	1.25	Available
TS Optics Plossl	32 mm	37.5x	5.42 mm	Estimate based on apparent field of view. 1.33°	50°		Estimate based on apparent field of view. 27.92 mm	1.25	Available
TS Optics Plossl	40 mm	30x	6.78 mm	Estimate based on apparent field of view. 1.53°	46°		Estimate based on apparent field of view. 32.11 mm	1.25	Available
TS Optics SWA	5 mm	240x	0.85 mm	Estimate based on apparent field of view. 0.42°	100°	16 mm	Estimate based on apparent field of view. 8.73 mm	1.25	Available
TS Optics SWA	10 mm	120x	1.69 mm	Estimate based on apparent field of view. 0.83°	100°	16 mm	Estimate based on apparent field of view. 17.45 mm	1.25	Available
TS Optics SWA	15 mm	80x	2.54 mm	Estimate based on apparent field of view. 1.25°	100°	16 mm	Estimate based on apparent field of view. 26.18 mm	2	Available
TS Optics SWA	21 mm	57.14x	3.56 mm	Estimate based on apparent field of view. 1.75°	100°	16 mm	Estimate based on apparent field of view. 36.65 mm	2	Available
TS Optics Super Plossl	4 mm	300x	0.68 mm	Estimate based on apparent field of view. 0.17°	52°		Estimate based on apparent field of view. 3.63 mm	1.25	Available
TS Optics Super Plossl	6 mm	200x	1.02 mm	Estimate based on apparent field of view. 0.26°	52°		Estimate based on apparent field of view. 5.45 mm	1.25	Available
TS Optics Super Plossl	9 mm	133.33x	1.53 mm	Estimate based on apparent field of view. 0.39°	52°		Estimate based on apparent field of view. 8.17 mm	1.25	Available
TS Optics Super Plossl	12 mm	100x	2.03 mm	Estimate based on apparent field of view. 0.52°	52°		Estimate based on apparent field of view. 10.89 mm	1.25	Available
TS Optics Super Plossl	15 mm	80x	2.54 mm	Estimate based on apparent field of view. 0.65°	52°		Estimate based on apparent field of view. 13.61 mm	1.25	Available
TS Optics Super Plossl	20 mm	60x	3.39 mm	Estimate based on apparent field of view. 0.87°	52°		Estimate based on apparent field of view. 18.15 mm	1.25	Available
TS Optics Super Plossl	25 mm	48x	4.24 mm	Estimate based on apparent field of view. 1.08°	52°		Estimate based on apparent field of view. 22.69 mm	1.25	Available
TS Optics Super Plossl	32 mm	37.5x	5.42 mm	Estimate based on apparent field of view. 1.39°	52°		Estimate based on apparent field of view. 29.04 mm	1.25	Available
TS Optics Super Plossl	40 mm	30x	6.78 mm	Estimate based on apparent field of view. 1.53°	46°		Estimate based on apparent field of view. 32.11 mm	1.25	Available
TS Optics UWA (66°)	6 mm	200x	1.02 mm	Estimate based on apparent field of view. 0.33°	66°	14.8 mm	Estimate based on apparent field of view. 6.91 mm	1.25	Available
TS Optics UWA (66°)	9 mm	133.33x	1.53 mm	Estimate based on apparent field of view. 0.49°	66°	15 mm	Estimate based on apparent field of view. 10.37 mm	1.25	Available
TS Optics UWA (66°)	15 mm	80x	2.54 mm	Estimate based on apparent field of view. 0.82°	66°	15 mm	Estimate based on apparent field of view. 17.28 mm	1.25	Available
TS Optics UWA (66°)	20 mm	60x	3.39 mm	Estimate based on apparent field of view. 1.1°	66°	15 mm	Estimate based on apparent field of view. 23.04 mm	1.25	Available
TS Optics UWA (82°)	4 mm	300x	0.68 mm	Estimate based on apparent field of view. 0.27°	82°	12 mm	Estimate based on apparent field of view. 5.72 mm	1.25	Available
TS Optics UWA (82°)	7 mm	171.43x	1.19 mm	Estimate based on apparent field of view. 0.48°	82°	12 mm	Estimate based on apparent field of view. 10.02 mm	1.25	Available
TS Optics UWA (82°)	16 mm	75x	2.71 mm	Estimate based on apparent field of view. 1.09°	82°	12 mm	Estimate based on apparent field of view. 22.9 mm	1.25	Available
TS Optics WA	8 mm	150x	1.36 mm	0.53°	70°	9 mm	Provided by manufacturer or measured 11 mm	1.25	Available
TS Optics WA	12 mm	100x	2.03 mm	0.62°	60°	10 mm	Provided by manufacturer or measured 13 mm	1.25	Available
TS Optics WA	17 mm	70.59x	2.88 mm	0.95°	70°	15 mm	Provided by manufacturer or measured 20 mm	1.25	Available
TS Optics WA	20 mm	60x	3.39 mm	1.19°	70°	17 mm	Provided by manufacturer or measured 25 mm	1.25	Available
TS Optics WA	26 mm	46.15x	4.41 mm	1.58°	70°	20 mm	Provided by manufacturer or measured 33 mm	2	Available
TS Optics WA	32 mm	37.5x	5.42 mm	1.91°	70°	24 mm	Provided by manufacturer or measured 40 mm	2	Available
TS Optics WA	38 mm	31.58x	6.44 mm	2.2°	70°	28 mm	Provided by manufacturer or measured 46 mm	2	Available
TS Optics XWA	3.5 mm	342.86x	0.59 mm	0.5°	110°	15 mm	Provided by manufacturer or measured 10.5 mm	1.25 & 2	Available
TS Optics XWA	5 mm	240x	0.85 mm	0.62°	110°	15 mm	Provided by manufacturer or measured 13 mm	1.25 & 2	Available
TS Optics XWA	9 mm	133.33x	1.53 mm	0.75°	100°	15 mm	Provided by manufacturer or measured 15.7 mm	1.25 & 2	Available
Takahashi Abbe Ortho	6 mm	200x	1.02 mm	Estimate based on apparent field of view. 0.22°	44°	4.8 mm	Estimate based on apparent field of view. 4.61 mm	1.25	Available
Takahashi Abbe Ortho	9 mm	133.33x	1.53 mm	Estimate based on apparent field of view. 0.33°	44°	7.5 mm	Estimate based on apparent field of view. 6.91 mm	1.25	Available
Takahashi Abbe Ortho	12.5 mm	96x	2.12 mm	Estimate based on apparent field of view. 0.46°	44°	10 mm	Estimate based on apparent field of view. 9.6 mm	1.25	Available
Takahashi Abbe Ortho	18 mm	66.67x	3.05 mm	Estimate based on apparent field of view. 0.66°	44°	15 mm	Estimate based on apparent field of view. 13.82 mm	1.25	Available
Takahashi Abbe Ortho	25 mm	48x	4.24 mm	Estimate based on apparent field of view. 0.92°	44°	22 mm	Estimate based on apparent field of view. 19.2 mm	1.25	Available
Takahashi Abbe Ortho	32 mm	37.5x	5.42 mm	Estimate based on apparent field of view. 1.17°	44°	28 mm	Estimate based on apparent field of view. 24.57 mm	1.25	Available
Takahashi LER ED	2.8 mm	428.57x	0.47 mm	0.36°	42°	5.8 mm	Provided by manufacturer or measured 7.5 mm	1.25	Available
Takahashi LER ED	3.6 mm	333.33x	0.61 mm	0.36°	40°	7.5 mm	Provided by manufacturer or measured 7.5 mm	1.25	Available
Takahashi LER ED	5 mm	240x	0.85 mm	0.39°	52°	10 mm	Provided by manufacturer or measured 8.1 mm	1.25	Available
Takahashi LER ED	7.5 mm	160x	1.27 mm	0.4°	52°	10 mm	Provided by manufacturer or measured 8.4 mm	1.25	Available
Takahashi LER ED	10 mm	120x	1.69 mm	Estimate based on apparent field of view. 0.43°	52°	10 mm	Estimate based on apparent field of view. 9.08 mm	1.25	Available
Takahashi LER ED	12.5 mm	96x	2.12 mm	0.53°	52°	9 mm	Provided by manufacturer or measured 11 mm	1.25	Available
Takahashi LER ED	18 mm	66.67x	3.05 mm	0.76°	52°	13 mm	Provided by manufacturer or measured 16 mm	1.25	Available
Takahashi LER ED	24 mm	50x	4.07 mm	1.2°	52°	17 mm	Provided by manufacturer or measured 25.1 mm	1.25	Available
Takahashi LER ED	30 mm	40x	5.08 mm	1.38°	52°	20 mm	Provided by manufacturer or measured 29 mm	1.25	Available
Takahashi TOE	2.5 mm	480x	0.42 mm	Estimate based on apparent field of view. 0.11°	52°	10 mm	Estimate based on apparent field of view. 2.27 mm	1.25	Available
Takahashi TOE	3.3 mm	363.64x	0.56 mm	Estimate based on apparent field of view. 0.14°	52°	10 mm	Estimate based on apparent field of view. 2.99 mm	1.25	Available
Takahashi TOE	4 mm	300x	0.68 mm	Estimate based on apparent field of view. 0.17°	52°	10 mm	Estimate based on apparent field of view. 3.63 mm	1.25	Available
Takahashi Ultra Wide	3.3 mm	363.64x	0.56 mm	Estimate based on apparent field of view. 0.25°	90°	12 mm	Estimate based on apparent field of view. 5.18 mm	1.25	Available
Takahashi Ultra Wide	5.7 mm	210.53x	0.97 mm	Estimate based on apparent field of view. 0.43°	90°	12 mm	Estimate based on apparent field of view. 8.95 mm	1.25	Available
Takahashi Ultra Wide	7 mm	171.43x	1.19 mm	Estimate based on apparent field of view. 0.53°	90°	12 mm	Estimate based on apparent field of view. 10.99 mm	1.25	Available
Takahashi Ultra Wide	10 mm	120x	1.69 mm	Estimate based on apparent field of view. 0.75°	90°	12 mm	Estimate based on apparent field of view. 15.71 mm	1.25	Available
Tele Vue Delite	3 mm	400x	0.51 mm	0.15°	62°	20 mm	Provided by manufacturer or measured 3.2 mm	1.25	Available
Tele Vue Delite	4 mm	300x	0.68 mm	0.21°	62°	20 mm	Provided by manufacturer or measured 4.3 mm	1.25	Available
Tele Vue Delite	5 mm	240x	0.85 mm	0.25°	62°	20 mm	Provided by manufacturer or measured 5.3 mm	1.25	Available
Tele Vue Delite	7 mm	171.43x	1.19 mm	0.36°	62°	20 mm	Provided by manufacturer or measured 7.5 mm	1.25	Available
Tele Vue Delite	9 mm	133.33x	1.53 mm	0.46°	62°	20 mm	Provided by manufacturer or measured 9.6 mm	1.25	Available
Tele Vue Delite	11 mm	109.09x	1.86 mm	0.56°	62°	20 mm	Provided by manufacturer or measured 11.7 mm	1.25	Available
Tele Vue Delite	13 mm	92.31x	2.2 mm	0.66°	62°	20 mm	Provided by manufacturer or measured 13.8 mm	1.25	Available
Tele Vue Delite	15 mm	80x	2.54 mm	0.76°	62°	20 mm	Provided by manufacturer or measured 16 mm	1.25	Available
Tele Vue Delite	18.2 mm	65.93x	3.08 mm	0.91°	62°	20 mm	Provided by manufacturer or measured 19.1 mm	1.25	Available
Tele Vue Delos	3.5 mm	342.86x	0.59 mm	0.21°	72°	20 mm	Provided by manufacturer or measured 4.4 mm	1.25	Available
Tele Vue Delos	4.5 mm	266.67x	0.76 mm	0.27°	72°	20 mm	Provided by manufacturer or measured 5.6 mm	1.25	Available
Tele Vue Delos	6 mm	200x	1.02 mm	0.36°	72°	20 mm	Provided by manufacturer or measured 7.6 mm	1.25	Available
Tele Vue Delos	8 mm	150x	1.36 mm	0.47°	72°	20 mm	Provided by manufacturer or measured 9.9 mm	1.25	Available
Tele Vue Delos	10 mm	120x	1.69 mm	0.61°	72°	20 mm	Provided by manufacturer or measured 12.7 mm	1.25	Available
Tele Vue Delos	12 mm	100x	2.03 mm	0.72°	72°	20 mm	Provided by manufacturer or measured 15 mm	1.25	Available
Tele Vue Delos	14 mm	85.71x	2.37 mm	0.83°	72°	20 mm	Provided by manufacturer or measured 17.3 mm	1.25	Available
Tele Vue Delos	17.3 mm	69.36x	2.93 mm	1.01°	72°	20 mm	Provided by manufacturer or measured 21.2 mm	1.25	Available
Tele Vue Ethos	3.7 mm	324.32x	0.63 mm	0.34°	110°	15 mm	Provided by manufacturer or measured 7.04 mm	1.25 & 2	Available
Tele Vue Ethos	4.7 mm	255.32x	0.8 mm	0.43°	110°	15 mm	Provided by manufacturer or measured 8.94 mm	1.25 & 2	Available
Tele Vue Ethos	6 mm	200x	1.02 mm	0.5°	100°	15 mm	Provided by manufacturer or measured 10.4 mm	1.25 & 2	Available
Tele Vue Ethos	8 mm	150x	1.36 mm	0.66°	100°	15 mm	Provided by manufacturer or measured 13.9 mm	1.25 & 2	Available
Tele Vue Ethos	10 mm	120x	1.69 mm	0.85°	100°	15 mm	Provided by manufacturer or measured 17.7 mm	1.25 & 2	Available
Tele Vue Ethos	13 mm	92.31x	2.2 mm	1.06°	100°	15 mm	Provided by manufacturer or measured 22.3 mm	1.25 & 2	Available
Tele Vue Ethos	17 mm	70.59x	2.88 mm	1.41°	100°	15 mm	Provided by manufacturer or measured 29.6 mm	2	Available
Tele Vue Ethos	21 mm	57.14x	3.56 mm	1.73°	100°	15 mm	Provided by manufacturer or measured 36.2 mm	2	Available
Tele Vue Nagler Type-4	17 mm	70.59x	2.88 mm	1.16°	82°	17 mm	Provided by manufacturer or measured 24.3 mm	2	Available
Tele Vue Nagler Type-4	22 mm	54.55x	3.73 mm	1.49°	82°	19 mm	Provided by manufacturer or measured 31.1 mm	2	Available
Tele Vue Nagler Type-5	16 mm	75x	2.71 mm	1.06°	82°	10 mm	Provided by manufacturer or measured 22.1 mm	1.25	Available
Tele Vue Nagler Type-5	31 mm	38.71x	5.25 mm	2.01°	82°	19 mm	Provided by manufacturer or measured 42 mm	2	Available
Tele Vue Nagler Type-6	3.5 mm	342.86x	0.59 mm	0.23°	82°	12 mm	Provided by manufacturer or measured 4.8 mm	1.25	Available
Tele Vue Nagler Type-6	5 mm	240x	0.85 mm	0.33°	82°	12 mm	Provided by manufacturer or measured 7 mm	1.25	Available
Tele Vue Nagler Type-6	7 mm	171.43x	1.19 mm	0.46°	82°	12 mm	Provided by manufacturer or measured 9.7 mm	1.25	Available
Tele Vue Nagler Type-6	9 mm	133.33x	1.53 mm	0.59°	82°	12 mm	Provided by manufacturer or measured 12.4 mm	1.25	Available
Tele Vue Nagler Type-6	13 mm	92.31x	2.2 mm	0.84°	82°	12 mm	Provided by manufacturer or measured 17.6 mm	1.25	Available
Tele Vue Nagler Type-7	5.5 mm	218.18x	0.93 mm	0.39°	82°	19 mm	Provided by manufacturer or measured 8.1 mm	1.25 & 2	Available
Tele Vue Nagler Type-7	9 mm	133.33x	1.53 mm	0.62°	82°	19 mm	Provided by manufacturer or measured 13 mm	1.25 & 2	Available
Tele Vue Nagler Type-7	14 mm	85.71x	2.37 mm	0.98°	82°	19 mm	Provided by manufacturer or measured 20.5 mm	2	Available
Tele Vue Nagler Type-7	19 mm	63.16x	3.22 mm	1.29°	82°	19 mm	Provided by manufacturer or measured 27.1 mm	2	Available
Tele Vue Panoptic	19 mm	63.16x	3.22 mm	1.02°	68°	13 mm	Provided by manufacturer or measured 21.3 mm	1.25	Available
Tele Vue Panoptic	24 mm	50x	4.07 mm	1.29°	68°	15 mm	Provided by manufacturer or measured 27 mm	1.25	Available
Tele Vue Panoptic	27 mm	44.44x	4.58 mm	1.46°	68°	19 mm	Provided by manufacturer or measured 30.5 mm	2	Available
Tele Vue Panoptic	35 mm	34.29x	5.93 mm	1.85°	68°	24 mm	Provided by manufacturer or measured 38.7 mm	2	Available
Tele Vue Panoptic	41 mm	29.27x	6.95 mm	2.2°	68°	27 mm	Provided by manufacturer or measured 46 mm	2	Available
Tele Vue Plossl	8 mm	150x	1.36 mm	0.31°	50°	6 mm	Provided by manufacturer or measured 6.5 mm	1.25	Available
Tele Vue Plossl	11 mm	109.09x	1.86 mm	0.43°	50°	8 mm	Provided by manufacturer or measured 9.1 mm	1.25	Available
Tele Vue Plossl	15 mm	80x	2.54 mm	0.6°	50°	10 mm	Provided by manufacturer or measured 12.6 mm	1.25	Available
Tele Vue Plossl	20 mm	60x	3.39 mm	0.82°	50°	14 mm	Provided by manufacturer or measured 17.1 mm	1.25	Available
Tele Vue Plossl	25 mm	48x	4.24 mm	1.01°	50°	17 mm	Provided by manufacturer or measured 21.2 mm	1.25	Available
Tele Vue Plossl	32 mm	37.5x	5.42 mm	1.29°	50°	22 mm	Provided by manufacturer or measured 27 mm	1.25	Available
Tele Vue Plossl	40 mm	30x	6.78 mm	1.29°	43°	28 mm	Provided by manufacturer or measured 27 mm	1.25	Available
Tele Vue Plossl	55 mm	21.82x	9.32 mm	2.2°	50°	38 mm	Provided by manufacturer or measured 46 mm	2	Available
University Optics 80° series (1.25")	11 mm	109.09x	1.86 mm	Estimate based on apparent field of view. 0.73°	80°	9 mm	Estimate based on apparent field of view. 15.36 mm	1.25	Available
University Optics 80° series (1.25")	16 mm	75x	2.71 mm	Estimate based on apparent field of view. 1.07°	80°	9 mm	Estimate based on apparent field of view. 22.34 mm	1.25	Available
University Optics 82° series (1.25")	7 mm	171.43x	1.19 mm	Estimate based on apparent field of view. 0.48°	82°	12 mm	Estimate based on apparent field of view. 10.02 mm	1.25	Available
University Optics 82° series (1.25")	16 mm	75x	2.71 mm	Estimate based on apparent field of view. 1.09°	82°	12 mm	Estimate based on apparent field of view. 22.9 mm	1.25	Available
Vernonscope Brandon	6 mm	200x	1.02 mm	0.21°	42°	6 mm	Provided by manufacturer or measured 4.4 mm	1.25	Available
Vernonscope Brandon	8 mm	150x	1.36 mm	0.29°	43°	8 mm	Provided by manufacturer or measured 6 mm	1.25	Available
Vernonscope Brandon	12 mm	100x	2.03 mm	0.42°	43°	12 mm	Provided by manufacturer or measured 8.9 mm	1.25	Available
Vernonscope Brandon	16 mm	75x	2.71 mm	0.57°	43°	16 mm	Provided by manufacturer or measured 12 mm	1.25	Available
Vernonscope Brandon	24 mm	50x	4.07 mm	1.05°	52°	24 mm	Provided by manufacturer or measured 22 mm	1.25	Available
Vernonscope Brandon	32 mm	37.5x	5.42 mm	1.19°	45°	32 mm	Provided by manufacturer or measured 25 mm	1.25	Available
Vernonscope Brandon	48 mm	25x	8.14 mm	1.77°	45°	48 mm	Provided by manufacturer or measured 37 mm	2	Available
Vixen Optics HR	1.6 mm	750x	0.27 mm	Estimate based on apparent field of view. 0.06°	42°	10 mm	Estimate based on apparent field of view. 1.17 mm	1.25	Available
Vixen Optics HR	2 mm	600x	0.34 mm	Estimate based on apparent field of view. 0.07°	42°	10 mm	Estimate based on apparent field of view. 1.47 mm	1.25	Available
Vixen Optics HR	2.4 mm	500x	0.41 mm	Estimate based on apparent field of view. 0.08°	42°	10 mm	Estimate based on apparent field of view. 1.76 mm	1.25	Available
Vixen Optics NPL	4 mm	300x	0.68 mm	Estimate based on apparent field of view. 0.17°	50°	2.3 mm	Estimate based on apparent field of view. 3.49 mm	1.25	Available
Vixen Optics NPL	6 mm	200x	1.02 mm	Estimate based on apparent field of view. 0.25°	50°	3 mm	Estimate based on apparent field of view. 5.24 mm	1.25	Available
Vixen Optics NPL	8 mm	150x	1.36 mm	Estimate based on apparent field of view. 0.33°	50°	4.5 mm	Estimate based on apparent field of view. 6.98 mm	1.25	Available
Vixen Optics NPL	10 mm	120x	1.69 mm	Estimate based on apparent field of view. 0.42°	50°	6.5 mm	Estimate based on apparent field of view. 8.73 mm	1.25	Available
Vixen Optics NPL	15 mm	80x	2.54 mm	Estimate based on apparent field of view. 0.63°	50°	11 mm	Estimate based on apparent field of view. 13.09 mm	1.25	Available
Vixen Optics NPL	20 mm	60x	3.39 mm	Estimate based on apparent field of view. 0.83°	50°	15 mm	Estimate based on apparent field of view. 17.45 mm	1.25	Available
Vixen Optics NPL	25 mm	48x	4.24 mm	Estimate based on apparent field of view. 1.04°	50°	19.5 mm	Estimate based on apparent field of view. 21.82 mm	1.25	Available
Vixen Optics NPL	30 mm	40x	5.08 mm	Estimate based on apparent field of view. 1.25°	50°	24 mm	Estimate based on apparent field of view. 26.18 mm	1.25	Available
Vixen Optics NPL	40 mm	30x	6.78 mm	Estimate based on apparent field of view. 1.33°	40°	36 mm	Estimate based on apparent field of view. 27.92 mm	1.25	Available
Vixen Optics SLV	2.5 mm	480x	0.42 mm	Estimate based on apparent field of view. 0.1°	50°	20 mm	Estimate based on apparent field of view. 2.18 mm	1.25	Available
Vixen Optics SLV	4 mm	300x	0.68 mm	Estimate based on apparent field of view. 0.17°	50°	20 mm	Estimate based on apparent field of view. 3.49 mm	1.25	Available
Vixen Optics SLV	5 mm	240x	0.85 mm	Estimate based on apparent field of view. 0.21°	50°	20 mm	Estimate based on apparent field of view. 4.36 mm	1.25	Available
Vixen Optics SLV	6 mm	200x	1.02 mm	Estimate based on apparent field of view. 0.25°	50°	20 mm	Estimate based on apparent field of view. 5.24 mm	1.25	Available
Vixen Optics SLV	9 mm	133.33x	1.53 mm	Estimate based on apparent field of view. 0.38°	50°	20 mm	Estimate based on apparent field of view. 7.85 mm	1.25	Available
Vixen Optics SLV	10 mm	120x	1.69 mm	Estimate based on apparent field of view. 0.42°	50°	20 mm	Estimate based on apparent field of view. 8.73 mm	1.25	Available
Vixen Optics SLV	12 mm	100x	2.03 mm	Estimate based on apparent field of view. 0.5°	50°	20 mm	Estimate based on apparent field of view. 10.47 mm	1.25	Available
Vixen Optics SLV	15 mm	80x	2.54 mm	Estimate based on apparent field of view. 0.63°	50°	20 mm	Estimate based on apparent field of view. 13.09 mm	1.25	Available
Vixen Optics SLV	20 mm	60x	3.39 mm	Estimate based on apparent field of view. 0.83°	50°	20 mm	Estimate based on apparent field of view. 17.45 mm	1.25	Available
Vixen Optics SLV	25 mm	48x	4.24 mm	Estimate based on apparent field of view. 1.04°	50°	20 mm	Estimate based on apparent field of view. 21.82 mm	1.25	Available
Vixen Optics SSW	3.5 mm	342.86x	0.59 mm	Estimate based on apparent field of view. 0.24°	83°	13 mm	Estimate based on apparent field of view. 5.07 mm	1.25	Available
Vixen Optics SSW	5 mm	240x	0.85 mm	Estimate based on apparent field of view. 0.35°	83°	13 mm	Estimate based on apparent field of view. 7.24 mm	1.25	Available
Vixen Optics SSW	7 mm	171.43x	1.19 mm	Estimate based on apparent field of view. 0.48°	83°	13 mm	Estimate based on apparent field of view. 10.14 mm	1.25	Available
Vixen Optics SSW	10 mm	120x	1.69 mm	Estimate based on apparent field of view. 0.69°	83°	13 mm	Estimate based on apparent field of view. 14.49 mm	1.25	Available
Vixen Optics SSW	14 mm	85.71x	2.37 mm	Estimate based on apparent field of view. 0.97°	83°	13 mm	Estimate based on apparent field of view. 20.28 mm	1.25	Available
Williams Optics SPL Planetary	3 mm	400x	0.51 mm	Estimate based on apparent field of view. 0.14°	55°	20 mm	Estimate based on apparent field of view. 2.88 mm	1.25	Available
Williams Optics SPL Planetary	6 mm	200x	1.02 mm	Estimate based on apparent field of view. 0.28°	55°	20 mm	Estimate based on apparent field of view. 5.76 mm	1.25	Available
Williams Optics SPL Planetary	12.5 mm	96x	2.12 mm	Estimate based on apparent field of view. 0.57°	55°	20 mm	Estimate based on apparent field of view. 12 mm	1.25	Available
Williams Optics SWAN	9 mm	133.33x	1.53 mm	0.62°	72°	12 mm	Provided by manufacturer or measured 13 mm	1.25	Available
Williams Optics SWAN	15 mm	80x	2.54 mm	0.91°	72°	14 mm	Provided by manufacturer or measured 19 mm	1.25	Available
Williams Optics SWAN	20 mm	60x	3.39 mm	1.24°	72°	17 mm	Provided by manufacturer or measured 26 mm	1.25	Available
Williams Optics SWAN	25 mm	48x	4.24 mm	1.58°	72°	21 mm	Provided by manufacturer or measured 33 mm	2	Available
Williams Optics SWAN	33 mm	36.36x	5.59 mm	1.96°	72°	25 mm	Provided by manufacturer or measured 41 mm	2	Available
Williams Optics SWAN	40 mm	30x	6.78 mm	2.2°	72°	28 mm	Provided by manufacturer or measured 46 mm	2	Available
Williams Optics UWAN	4 mm	300x	0.68 mm	0.29°	82°	12 mm	Provided by manufacturer or measured 6 mm	1.25	Available
Williams Optics UWAN	7 mm	171.43x	1.19 mm	0.57°	82°	12 mm	Provided by manufacturer or measured 12 mm	1.25	Available
Williams Optics UWAN	16 mm	75x	2.71 mm	1.37°	82°	12 mm	Provided by manufacturer or measured 28.6 mm	1.25	Available
Williams Optics XWA	3.5 mm	342.86x	0.59 mm	Estimate based on apparent field of view. 0.32°	110°	15 mm	Estimate based on apparent field of view. 6.72 mm	1.25 & 2	Available
Williams Optics XWA	5 mm	240x	0.85 mm	Estimate based on apparent field of view. 0.46°	110°	15 mm	Estimate based on apparent field of view. 9.6 mm	1.25 & 2	Available
Williams Optics XWA	9 mm	133.33x	1.53 mm	Estimate based on apparent field of view. 0.76°	101°	15 mm	Estimate based on apparent field of view. 15.86 mm	2	Available
Williams Optics XWA	20 mm	60x	3.39 mm	Estimate based on apparent field of view. 1.67°	100°	15 mm	Estimate based on apparent field of view. 34.9 mm	2	Available