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Old 09-12-2009, 08:20 PM
Benny L (Ben)
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Benny L is offline
Join Date: Dec 2005
Location: Carmel - Perth Hills
Posts: 303
the theory goes that the most simple optical design will be the sharpest.. that being said, I own/have used 70-200 f2.8 IS, 300mm f2.8L IS, 400mm f2.8L IS and all are razor sharp. I dare say you wont be able to tell the difference in the real world. As has been said only the pixel peepers will complain about sharpness, at the end of the day, if it is that much of a problem, you could go and buy some Zeiss glass
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