Thread: First try at M27
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  #6  
Old 20-09-2014, 12:58 PM
raymo
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raymo is offline 		 
Join Date: Sep 2011
Location: margaret river, western australia
Posts: 6,070
Every AP book I have [4], states that biases are totally unnecessary, and can even be detrimental, unless you are scaling darks that don't match
your lights.
raymo
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