Thread: Focal Reducers
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  #6  
Old 29-10-2010, 12:55 AM
riklaunim
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riklaunim is offline 		 
Join Date: Apr 2010
Location: Poland
Posts: 74
More you reduce - smaller field you will get. AFAIK f/6.3 reducer can do APS-C. f/3.3 reducer gives 9 mm imaging circle - just below 2/3" CCDs like ICX285 (Atik 314/DSI III/QHY2 Pro).
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