Sigma 10-20mm f/4-5.6 EX DC HSM Lens for Canon Digital SLR Cameras by SIGMA
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Digital camera reviews of Sigma 10-20mm f/4-5.6 EX DC HSM Lens for Canon Digital SLR Cameras
Digital camera Review: A specility Lens That Screams 'Buy-Me'
Summary: 5 Stars
July 29th Update: Bought another as a gift for a friend. That should tell you it's a great lens. That makes 3 copies of this lens I bought and all 3 are flawless. Best Buy for the $$$.
March 3, 2008 UPDATE: Still find zero faults with this lens and now keep it on the Rebel XTI all the time. I really love the 10mm extra wide setting. Still a ***** review. I have not found that the f-stop difference between the Sigma and Canon lens (f/4-5.6 vs. f/3.5-4.5) has had any real effect. Hey, my D-40 goes to ISO 3200 if necessary. Not a preferred ISO, but what I'm saying is that except in a few cases, the difference is of little consequence. Technically, that's a down side. The reality is that most folks will use this lens outdoors.
I have a number of Canon 'L' series lenses. They are the best. But, unless you are shooting for NASA, this Sigma lens stacks up with the 'L' series for optical quality for most folks.
There is a difference. The difference is $684.70 vs. $487.60 and it's a big difference. (Both prices via Amazon 3/3/2008) This lens still screams BUY ME!
Original Review:
I'm not a pro but have been taking pix for 40 years. I know what I like and know quality when I have my hands on it. An ultra-wide is not a lens that folks normally use a lot. But, when you need one there's nothing like 10-20mm. It was a tossup between the Sigma 10-20mm and the Canon 10-22mm lens. I chose the Sigma because of the price and some other great reviews.
Quality of the Sigma, in many unbiased test reviews, shows little, if any, differences from the higher priced canon. On both my XTI and 40d the lens does a great job. My recommendation? Buy it. Since I've had mine I was convinced to buy another Sigma lens. The pictures are very sharp. The color and contrast is great and I've probably shot 300 pix with it so far.
Digital camera Review: After 3 weeks I ended up returning mine
Summary: 2 Stars
I used this lens for 3 weeks and took over a hundred photos in various shutter speed/aperture combinations; all of them turned out so-so to no good. The center sharpness is ok, but the sharpness and distortion of the image becomes unacceptable, starting about half-way to the image edge.
I don't believe I received a bad copy of this lens as a previous reviewer had as I didn't find one side of the image to be better or worse than the other and the autofocus seemed to be on target.
When purchasing a wide angle lens, for the most part, it's to capture more of a given scene. This additional part of the scene is of course found around the edges of the frame. Therefore, I sent this lens back and am in search of a better one.
Note, the build quality seemed solid and the autofocus was snappy. If only the overall sharpness were better I would have kept it.
Digital camera Review: Amazing Wide Angular
Summary: 5 Stars
This is a very new product with also good reviews in photography magazines. Best price than canon's own 10-22 zoom and with a practical hood and lens bag.
Fast focusing and very little side picture deformation.
Great deal!!!
Digital camera Review: As good as Cannon & Great for Architectural photography
Summary: 5 Stars
I'm an Architecture student. This lens has proven to be absolutely perfect for me with a wide angle that captures what I need and does not distort too much. My fellow classmate has the closest one to it made by Cannon. While technically it's a higher quality lens we can't see any difference between the two. Before I bought this one I read some negative reviews, so I guess there are a few lemons out there, but this one is great.Digital camera Review: Awesome Landscape Lens - Careful with People, Though!
Summary: 4 Stars
If you're shooting landscape, this lens is an absolute must have -- stick it on a tripod, set it at f/8 and you're golden. Auto-focus is fast and accurate and doesn't have an issue focusing on objects that are close up.
That being said, when it comes to people, it's a little more problematic. Even at 16-17mm, you get distortion at the edges, so if you're shooting groups, they will be stretched/elongated. The good news is that, at 20mm, it's fairly unnoticeable. So, if you're shooting more formal pictures, rack the lens out to 20mm and move your body or tripod. If you're shooting something more action oriented like urban, extreme sports -- snowboarding/skateboarding, etc, then the distortion might actually add to the photos.