canon 100-400 vs. sigma 120-400 is it worth the extra $$ for the canon?
anyone used both of these? I used to own the canon...it was a great lens? Anyone have thoughts on the sigma?
I think a few folks have (I haven't even seen the Sigma). If you do a quick search for "Sigma 120-400," I think you'll find quite a few threads though.
Best of luck,
Good judgment comes from experience.
Experience comes from bad judgment.
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