Sigma 10-20mm f/4-5.6 EX HSM DC AF Review Round-Up

sigma-10mm-20mm-f-4-56-ex-dc-hsmIf you own or have used this lens, let us know what you think! Leave your comments and thoughts below.

Get information and user reviews for this lens at Amazon: Sigma 10-20mm f/4-5.6 EX DC HSM Wide Angle AF Lens & Filters & Close-Up Macro Set & 9 Year Warranty for Pentax SLR

Photo Zone

This lens showed a very good performance during the tests especially in terms of resolution. There’s some softness towards the extremes at 10mm @ f/4 but otherwise there’s really nothing to complain here (within this specific lens class anyway). The vignetting and distortions are quite comparable to the rest of the gang. Lateral CAs are generally well controlled except in the extreme corners of the image field. The Sigma offers a little extra kick regarding the widest setting (10mm vs 12mm of the Nikkor or Tokina) so the quality is fairly impressive regarding the increased design complexity here. The build quality is very good and the AF is both fast and virtually silent. If you’re looking for a candidate in this class the Sigma is worth a look but watch out for sample variations. “¦ READ FULL REVIEW

Other Sigma 10-20mm f/4-5.6 EX HSM DC AF Reviews

Photo Zone (Canon Mount Tested)

The Sigma AF 10-20mm f/4-5.6 EX HSM DC is a worthy alternative in the ultra-wide arena for APS-C DSLRs. At 10mm it showed some of the highest resolution figures that we’ve seen so far here whereas at 14mm and 20mm the results are slightly worse than the rest of the gang but still pretty good. On the down-side the lens shows fairly heavy vignetting at large aperture settings. At 10mm there’re some quite pronounced barrel distortions at the extreme corners (far less in the inner image field) whereas at 14mm pincushion distortions can be quite obvious. It’s a joy to use this lens with its excellent build quality, smooth controls and fast AF on top. The alternatives in this zoom range perform quite similar so you’ve to consider your priorities. The Sigma AF 10-20mm f/4-5.6 EX HSM DC is surely worth a deeper look here. “¦ READ FULL REVIEW

Thom Hogan

I’ve tested a lot of options in the 10-12mm range, and they all come with liabilities. The Sigma’s liabilities are more livable for a landscape shooter than the alternatives. I’ve dragged this lens around the world. To be honest, I’ve absolutely abused it since acquiring it when it first came out. It holds up to my abuse and gives me that good enough performance I just mentioned. Compared to the Nikkor, the Sigma is a bit shorter and lighter, though slightly wider in barrel size. The things that make people interested in it are: lower price, wider angle, and lighter weight. Considering it costs less than the Nikkor, that makes it a decent value, too. “¦ READ FULL REVIEW

SLR Gear

We were pleasantly surprised by how sharp this lens was wide open, across its focal length range. It wasn’t perfect, and never got really *crisp*, but on the whole did quite a bit better than we had been expecting. At the 10mm end, the center is very sharp, but the corners get a little soft, but the corner softness decreases substantially as you move toward the “tele” end of its range, or as you stop down even a little from wide open. At 10-12mm, the corners don’t really flatten out until you get to f/8, and even there, they’re not quite crisp. – But they’re not far off, to the point that it’ll probably take a bit of pixel-peeping to see the softness anywhere at f/8. The bottom line seems to be that the Sigma 10-20mm f/4-5.6 EX DC HSM is a real bargain for an ultrawide zoom for sub-frame cameras. If you want to shoot really wide with your DSLR, this lens looks like a good way to go about it. “¦ READ FULL REVIEW

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