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Old 16-10-2019, 08:16 PM
Startrek (Martin)
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Startrek is offline
 
Join Date: Dec 2017
Location: Sydney
Posts: 1,707
A Canon 5dsr has a full frame sensor which will be to wide for a 2 crayford focuser. APS-C crop sensors are more suitable for 2 focusers

FOV calculator ( in arc minutes )
Width or Height of camera chip in mm x 3460 / telescope focal length in mm

Cheers
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