Thread: WO binoviewers on a 90mm refractor
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Old 05-01-2013, 07:07 PM
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Steffen
Ebotec Alpeht Sicamb

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Join Date: Feb 2010
Location: Toongabbie, NSW
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You're right of course, I was only thinking geometry. The prism will act like an optical flat and move the focal point further back.

Cheers
Steffen.
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