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Size comparisons between Canon 100-400L And Sigma 70-200 EX
For what it's worth, I liked the 100-400 for shooting at Petit Le Mans, but it's not a lens I'd have much use for day to day. It focuses fine, but compared to the f/2.8 Sigma, it's pretty slow, and the IS is not as helpful as you'd think.
10-07-2009, 07:57 AM
Size comparisons between Canon 100-400L And Sigma 70-200 EX
Linear Mode
