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Sigma 10-20mm F4-5.6 EX DC HSM

Review Date: Aug 24, 2006 Recommend? yes | Price paid: Not Indicated | Rating: 9 

Pros: Price, Build, Image quality, A/F speed, Includes hood and padded bag.
Poor lens cap, Sigma quality control issue?

The first copy of the lens I acquired had poor image quality. Soft at all focal lengths and apertures. I returned it. The replacement is much better. Okay sharpness at f4, excellent at f8-f16. Good contrast and color (slightly warm). Excellent flair & CA suppression.

The lens has a good feel & weight. Zoom and focus rings are nicely damped. Overall build quality seems very good, similar to my Canon 17-40mm f/4L. Auto focus speed is fast and near silent.

I was pleased that Sigma includes the hood and padded bag.

I'd recommend the Sigma 10-22mm. But carefully check your copy is as good as it should be.