Thread: Astrograph:Fast Newt vs Focal Reducer + RCT
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  #4  
Old 12-06-2013, 09:42 AM
Poita (Peter)
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Join Date: Jun 2011
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Or you could look at an SCT and a hyperstar, that gets you long focal length @ f10, and short focal length at a blistering f1.9 or f2.
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