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mcuzic2002

26 Sep 2023 17:41



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The astro adaptor enables this eyepiece to be used with an astronomical telescope with a 1 1/4"  barrel alowing zooming from 7.3mm to 22mm. 


What's the size of the field in this eyepiece?

38° at 22mm, 50° at 16mm, 57° at 12mm, 62° at 10mm, 65° at 8.8mm, 67° at 8mm, and 68° at 7.3mm.