Thread: RCOS collimation
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Old 09-05-2016, 05:14 PM
raymo
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raymo is offline 		 
Join Date: Sep 2011
Location: margaret river, western australia
Posts: 6,070
RCOS collimation
I have often wondered why RCOS scopes seem to be a pain in the rear end
regarding collimation. Having a fixed primary mirror, why are they so
much worse than a Newt for example?
raymo
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