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Old 10-05-2018, 05:07 PM
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LewisM
Novichok test rabbit

LewisM is offline
 
Join Date: Aug 2012
Location: Somewhere in the cosmos...
Posts: 10,389
The FSQ-85 was made to be flat to the edges for sensors SMALLER than APS-C. With my 8300 chip CCD which is smaller than APS-C, I do NOT need the flattener - it is flat RIGHT to the edges. If I want to use the SXVR M26C (eventually, when it's back to spec) which has an APS-C chip, I either use the flattener, or have to crop it.

This is NOT the case with the FSQ-106N or ED, nor the FSQ-130, as all were made for the large chips from the beginning.
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