I choose Tammy for it f2.8 from back to front and sharpness.
and it is true the auto focus is not fast enough.
Why choose Tamron 17-50mm f/2.8?, and not Sigma 17-70mm f/2.8-4.5?
Why choose Tamron 17-50mm f/2.8?, and not Sigma 17-70mm f/2.8-4.5?
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Nov 24 2008, 05:51 PM
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388 posts Joined: Jun 2006 |
I choose Tammy for it f2.8 from back to front and sharpness.
and it is true the auto focus is not fast enough. |
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