What is the difference between a 2″ eyepiece and a 1¼” eyepiece?

What is the benefit of a 2″ eyepiece compared to a 1¼” eyepiece? Tom NagyNorth Ridgeville, Ohio A 2″ eyepiece delivers a wider true field of view (the actual amount of sky visible) than a 1¼” eyepiece of the same focal length. Two factors determine the true field: the telescope’s focal length and the diameterContinue reading “What is the difference between a 2″ eyepiece and a 1¼” eyepiece?”
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