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Old 23-05-2014, 08:56 PM
Kunama
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Kunama is offline
 
Join Date: Sep 2012
Posts: 3,588
Quote:
Originally Posted by Hans Tucker View Post
The FC Series Takahashi Refractors also had the fluorite element at the rear. I believe the optics for the Takahashi refractors are supplied by Canon.
The new FCs also have the CaF2 at the rear of the doublet.
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