Thread: Need Digarams for workings ofan Apochromatic Refractor
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Old 04-11-2010, 11:50 PM
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that_guy (Tony)
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also ive got this formula 1/F = (nī - 1) (1/r1 - 1/r2) where the r2 is the radius of the curvature at the back surface.. is this the eyepiece?
*edit* never mind found the answer in chat room thanks marki!!
Last edited by that_guy; 05-11-2010 at 12:28 AM.
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