Thread: Houston: So many quality scopes for sale on IIS
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  #9  
Old 17-12-2013, 04:51 PM
Kunama
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Kunama is offline 		 
Join Date: Sep 2012
Posts: 3,588
Quote:
Originally Posted by DavidNg View Post
which one is convertible Tak?
That would be the pristine CN-212 which can be used either as a 212mm F3.9 Newt or as a 212mm f12.4 cassegrain.
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