Thread: Barlow or Powermate for planetary?
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  #15  
Old 27-10-2011, 08:16 PM
riklaunim
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riklaunim is offline 		 
Join Date: Apr 2010
Location: Poland
Posts: 74
For f/10 SCT and common planetary cams (ICX098/618 with 5,6 pixels) you need f/20-25, max 30 at very good seeing and very good cam.
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