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Sigma 10-20mm f/4-5.6 EX DC HSM Lens for Canon Digital SLR Cameras | 
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| Brand: Sigma
Category: Photography
List Price: $569.00
Buy New: $489.00
You Save: $80.00 (14%)
New (11)
Avg. Customer Rating:  56 reviews
Media: Electronics
Autographed: No
Memorabilia: No
Fragile: No
Batteries Included: No
Optical Zoom: 2
Maximum Focal Length: 20
Minimum Focal Length: 10
Shipping Weight (lbs): 1
Dimensions (in): 3.5 x 3.5 x 3.5
MPN: B0007U00X0
Model: B0007U00X0
UPC: 085126201272
EAN: 0085126201272
ASIN: B0007U00X0
Availability: Usually ships in 1-2 business days
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| 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 |
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Product Description
10-20mm F4-5.6 EX DC HSM lens allows enjoyment of super wide-angle photography and it is a very powerful tool for indoor shooting and landscape photography with APS-C size image sensors of digital SLR cameras.Wide angle of view (102.4? at 10mm and 63.8? at 20mm) offers the photographer greater freedom of expression. Three SLD glass elements are employed for effective compensation of color aberration, which is a common problem with super-wide angle lenses. One piece of glass mold and two hybrid aspherical lenses, offer excellent correction for distortion, as well as all types of aberration.This lens is equipped with an inner focusing system, and the models which are equipped with HSM system provide quiet, high speed autofocus shooting and also offer full time manual focusing. It has a minimum focusing distance of 24cm (9.4") at all focal lengths. The non-rotating lens barrel perfectly suits the petal shaped lens hood. A circular polarizing filter can also be used conveniently.
Amazon.com Product Description
Designed exclusively for Canon digital SLR cameras, the ultra-wide-angle 10-20mm offers a view from 102.4 to 63.8 degrees, making it ideal for landscape photography and other vast applications. The lens is distinguished by its three special low dispersion (SLD) glass elements, which effectively compensate for color aberration, and its aspherical lenses, which provide maximum correction for distortion and various aberrations. As a result, the lens produces an extremely high image quality throughout the entire zoom range. The HSM-equipped models, meanwhile, produce fast autofocus (AF) speeds and quiet shooting while still letting you perform full-time manual focus. Other details include a minimum focusing distance of 9.4 inches at all focal lengths and an integral petal-type hood to block out extraneous light. Lens Elements and Coating
The new multilayer lens coating and lens design reduce flare and ghost--a common problem with digital cameras--while also creating an optimal color balance throughout the entire zoom range. At the same time, the lens offers three SLD glass elements that effectively compensate for color aberration, along with a piece of glass mold and two hybrid aspherical lenses that offer excellent correction for distortion and all types of aberration. Inner Focusing System and HSM
The lens incorporates an internal focusing system that eliminates front lens rotation, letting you use a petal-type hood to protect from additional glare. And models equipped with a Hyper-Sonic Motor (HSM) produce silent, high-speed autofocus and full-time manual focus for Sigma, Canon, and Nikon D-mount lenses. Best Consumer Lens
The Sigma 10-20mm lens is so respected that it was named the best consumer lens in Europe (2006) by the Technical Image Press Association (TIPA), a collection of 31 publications from 12 countries. According to TIPA, the 10-20mm lens offers a versatile range of wide-angle focal lengths, a good optical performance, and a budget price, making it an excellent investment for owners of DSLRs with APS-C format sensors. Its sharpness remains constant throughout the zoom range, and its compact size makes it an ideal companion for shooting travel, landscapes, or architectural subjects. - Lens construction: 14 elements in 10 groups
- Angle of view: 102.4 to 63.8 degrees
- Number of diaphragm blades: 6
- Minimum aperture: f/22
- Minimum focusing distance: 9.4 inches
- Maximum magnification: 1:6.7
- Filter size: 77mm
- Dimensions: 3.3 inches in diameter and 3.2 inches long
- Weight: 16.4 ounces
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| Customer Reviews: Read 51 more reviews...
 Wide Angle Lense August 25, 2008
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.
I am Impressed August 5, 2008
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.
 Solid, but Fuzzy August 4, 2008
0 out of 1 found this review helpful
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.
Better sharpness, brightness and color saturation than Canon's 10-22 July 28, 2008
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.
 bad......bad sharpness....... June 21, 2008
1 out of 11 found this review helpful
I used this lens for 1 week and took over a 200 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.
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