Rsmith6k wrote:I've been torn between the Canon 17-55 2.8 and the Sigma 18-35 1.8 for the last week.
Pulled the trigger this morning on the Canon because of the IS and because the Sigma is quite heavy.
I had both, like Uli told canon is better for Is, sigma for sharpness (sometimes too much and I add promist to smooth a bit).
Both work on pk6 and ursa G1, G2, but on ursa you can have a dark edge on 17mm of canon, nothing of dramatic, but you should know.
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