How good or bad is the Sigma 70-30mm f4-5.6 APO DG MACRO?

Started Aug 23, 2011 | Discussions thread
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jpdenk
jpdenk Contributing Member • Posts: 819
Re: How good or bad is the Sigma 70-30mm f4-5.6 APO DG MACRO?

Actually I usually use it at the full 300mm or very near it, and I've got very sharp results from it all the way to the 300mm focal length. I usually use it on a monopod for stability. I don't shoot it wide open, same as with other lenses. I want maximum sharpness, so I almost always stop down a bit.

John
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