Dump the Sigma 17-70 OS for a Tamron 17-50 non-VC

Started Mar 1, 2012 | Discussions thread
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MarcvsTvllivs
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Dump the Sigma 17-70 OS for a Tamron 17-50 non-VC
Mar 1, 2012

Hi everybody,

I have a T2i/550D and currently use a Sigma 17-70 OS HSM as my walkaround lens. Suffice it to say that I am rather unimpressed. Yes, the build quality is pretty good for a relatively cheap lens. But Optical performance... the wide end is fine, but especially the added range above 50mm is so bad it hurts. And edge of frame performance in general is so much worse than that of the kit 18-55 that I actually miss it sometimes.

Sooo... I am thinking to dump that lens on Ebay and buy a new Tamron 17-50 non-VC. Did anybody get to compare the two lenses by any chance? Think it will make me happy? Is the autofocus of the Tamron really that bad (I don't care about it being noisy)?

Canon EOS 550D (EOS Rebel T2i / EOS Kiss X4)
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