Discontinued Telescopes | WILLIAM OPTICS

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Specification of

Discontinued Products

123

Model	Focal Length	Lens Type	Barrel Size	Field of View	Eye Relief	Filter Thread	Coating	Weight	Total Length
E-SWA09	9mm	5 Elements 4 Group	1.25"	72°	12mm	M28.5 x 0.6	multiple	70g
E-SWA15	15mm	5 Elements 4 Group	1.25"	72°		M28.5 x 0.6	multiple
E-SWA20	20mm	5 Elements 4 Group	1.25"	72°		M28.5 x 0.6	multiple
E-SWA25	25mm	5 Elements 3 Group	2"	72°		M48 x 0.75	Fully Multi-Coated
E-SWA33	33mm	5 Elements 3 Group	2"	72°		M48 x 0.75	Fully Multi-Coated
E-SWA40	40mm	5 Elements 3 Group	2"	72°	28mm	M48 x 0.75	Fully Multi-Coated	570g
E-CLA20	20mm	5 Elements 4 Group	1.25"	72°		M28.5 x 0.6	multiple
E-WA20	20mm			66°
E-CE10	10mm		1.25"	60°

Telescope

123

Eyepiece

Model	Focal Length	Lens Type	Barrel Size	Field of View	Eye Relief	Filter Thread	Coating	Weight	Total Length
E-SWA09	9mm	5 Elements 4 Group	1.25"	72°	12mm	M28.5 x 0.6	multiple	70g
E-SWA15	15mm	5 Elements 4 Group	1.25"	72°		M28.5 x 0.6	multiple
E-SWA20	20mm	5 Elements 4 Group	1.25"	72°		M28.5 x 0.6	multiple
E-SWA25	25mm	5 Elements 3 Group	2"	72°		M48 x 0.75	Fully Multi-Coated
E-SWA33	33mm	5 Elements 3 Group	2"	72°		M48 x 0.75	Fully Multi-Coated
E-SWA40	40mm	5 Elements 3 Group	2"	72°	28mm	M48 x 0.75	Fully Multi-Coated	570g
E-CLA20	20mm	5 Elements 4 Group	1.25"	72°		M28.5 x 0.6	multiple
E-WA20	20mm			66°
E-CE10	10mm		1.25"	60°

Tab 3

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