Sigma 17-70 OS - Corners & AF?

Started Apr 13, 2010 | Discussions thread
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Dave Cam
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Sigma 17-70 OS - Corners & AF?
Apr 13, 2010

I would very much appreciate responses from people that have actually tried the Sigma 17-70 F2.8-4 OS lens. Please don't just repeat what you have read elsewhere!

The specification of the lens looks great and it's a good price, but I have seen some comments about poor AF and it having very soft corners.

So if you have actually tried this lens please reply and say whether the focusing was good or bad (particularly on new cameras such as the T2i or 50D) and whether you found the image quality good or bad - were the corners soft even when stopped down?

Thank you.

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