100-400L or 70-200L F2.8 with 2x III

Started May 22, 2012 | Discussions thread
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jumpingjack
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100-400L or 70-200L F2.8 with 2x III
May 22, 2012

Putting the benefit of theextra stops on the F2.8 to one side, what will give the better IQ at equivalent settings?

This will be for Airshow and Nature photography on a 60D.

Canon EOS 60D
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