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Sigma 10-20mm f/4-5.6 EX DC HSM Lens for Canon Digital SLR Cameras | List Price: $569.00
Discount Price: Too low to display
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Brand: Sigma
Binding: Electronics
Features: - 10-20mm ultra-wide angle lens designed exclusively for Canon digital SLR cameras
- 3 special low dispersion (SLD) glass elements to compensate for color aberration
- Hyper-Sonic Motor (HSM) produces silent, high-speed autofocus; full-time manual focus
- Multilayer lens coating reduces flare and ghost; 9.4-inch close focusing distance
- Measures 3.3 inches in diameter and 3.2 inches long; weighs 16.4 ounces
Better sharpness, brightness and color saturation than Canon's 10-22 [Posted on 2008-07-28]
I just did some test shots comparing the Sigma 10-20mm and the Canon 10-22mm. The Sigma beat the Canon hands down on sharpness, brightness and color saturation without question. I've owned the Canon 10-22mm for almost a year and have never been satisfied with the softness of the images it produces. I've even sent it to the factory 3 times for adjustment. The tests I did today show the Sigma to be surprisingly the better lens hands down. It may be that I purchased a bad Canon lens, but after 3 trips to the factory for adjustment, I would think it would have been spotted. I'm constantly being told by reps how good the Canon 10-22mm is as it has the super UD glass and is supposed to be similar to L series quality. I've never seen this on my 40D and I'm now ecstatic to have found the Sigma to replace it. This is a great lens for a very nice price.
Solid, but Fuzzy [Posted on 2008-08-04]
I have taken nearly one thousand pictures with this camera, anything from architecture to nature. While my initial assessment of the camera was good, after having it for some time, I feel that the fuzziness of the pictures is unacceptable. I guess I felt as though it was my initial settings, or maybe becuase of the wide angle of the lens this was something that was par for the course. I have since read about softness on right or left side with this leans, but my experience is clarity is no good accross the entire frame, in EVERY situation. I will either send back for repair or get rid of it for the cannon 10-22 lens.
I am Impressed [Posted on 2008-08-05]
I have only just received this lens so I will be giving you my first impressions. I will follow up in a couple of weeks with an in depth review.
First impression is BIG. The lens is big, physically, and it's a WIDE view after using my Canon 18-55mm. It feels solid, well built with everything moving very smoothly and no noise. It locks on to my Canon 300D and 400D XTi solidly with no slop and responds to all commands, AF, Av, Tv, etc.
I have taken half a dozen shots and they have all been clear and sharp without enlarging or in depth investigation. Distortion is typical of what you would expect in this focal length, exaggerating all the mid range distortions. I did manage to get some very respectable non-distorted images by carefully controlling the angles of the POV.
The last observation is that it looks good. I mean it's dressed up a little with the gold band and ribbing.
I am very happy with this lens so far. I will update this review after I play with it a little more in depth.
Wide Angle Lense [Posted on 2008-08-25]
For the price this is a great lense. Yes some on the market are better but they cost a lot more! I love my lense.
returned [Posted on 2008-08-30]
I returned the lens today. Tried it extensively on a Rebel XSi. Maybe I had one of the bad copies. The sharpness was barely acceptable in the center. The corner sharpness was terrible. The images from the "cheap" 18-55 IS kit lens included with the XSi blow the ones taken with the Sigma flat out of the water. I will not take the chance and get another. Too much hassle and frustration. In my opinion it is not acceptable for a company like Sigma to have such sloppy quality control.
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