Thread: Hunting for a 2" ED, Apochromatic non-aspheric lens design Focal reducer.
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  #4  
Old 07-03-2011, 08:30 PM
AstroGuy
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AstroGuy is offline 		 
Join Date: Mar 2011
Posts: 179
Thanks Dave,

The Article was very useful. Unfortunately the Author came across the same problems I'm dreading. I definitely know now what brands not to use!
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