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Old Aug 31, 2006, 12:13 AM   #5
Sintares
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Join Date: Jul 2005
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Someone over at Dpreview took his Sigmonster (Sigma 300-800mm), added around x16 worth of tcs and attached the result to a Canon 350d !

Roughly equal to 20,488 mm(including the 1.6 crop factor of the 350d), full open f/90.51



http://forums.dpreview.com/forums/re...p;changemode=1
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