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2
questions
1
vote
1
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Can I use 75mm Plano convex lens to build telescope [closed]
I want to see Jupiter with moon.
So am planning to build telescope. Can I use 75mm Plano convex lens with 1000mm focal length?
8
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1
answer
7k
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Are Barlow lenses stackable for bright objects?
I'm back to the refractor that I own, and I want to maximize the zoom capacity. I realized today that I own more than one barlow lens, and I was wondering if I could stack them together for looking at ...
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