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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: $508.00
You Save: $61.00 (11%)
New (9)
Avg. Customer Rating:  59 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
Condition: Brand New, Instock.
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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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| Editorial Reviews:
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 54 more reviews...
 Fantastic wide angle lens September 23, 2008
2 out of 2 found this review helpful
This is the lens that spends about 90 percent of the time on my 20D (I have six lenses!). In fact, I forgot I even owned the Sigma 10-20 until I looked. The lens has very good build quality and the zoom touch is superb. I never really even look at the lens or realize that it's there!
Images are very good, always good colors, tones and good sharpness and saturation. The wide angle offers a little distortion but that is to be expected on 10mm!
The zoom range is somewhat limited but you get used to it. Most of my shots are at either 10mm or 20mm. Zooming is so easy I can't recall even using the zoom, however when I look at my photos they have been taken at different focal lengths.
To me, the purpose of a great camera and a great lens is that they work so well they "get out of the way" of the creative process. This zoom truly "gets out of the way", your so close to the action that you can take small group shots standing about six feet from your subjects. This lens really excels at close in people shots, specially in tight situations.
You can also interact with your subjects, because your not standing 20 feet back asking people to look at the canary standing on your shoulder. You can have a normal conversation at a normal distance from your subjects then raise your camera and get a half upper body shot - not too shabby.
If you take photos of people or working at events where you need lots of shots of people, individually or in small groups, this lens excels. Dare I say it could be an excellent "walk around" lens?
The best non-Canon lens I've ever used! September 9, 2008
2 out of 2 found this review helpful
I've owned many lenes of all different brands but most of which have been Canon L series. This was my first time to own and use a lens from Sigma. The Sigma 10-20mm f/4-5.6 EX DC HSM copy that I bought here on amazon is as close to an L series lens as I have ever used. I reserched many lenses from Canon, Sigma, Tamron, etc. and I was concerned that because the Sigma lens is not a Canon brand that it might have communication issues with my Canon 20D body as some of the other non-Canon brand lenes I've used. So just as soon as I got it I put it to the test. I am thrilled to say that it passed with flying colors. This lens focuses nearly as fast as my Canon 17-55mm f/2.8 IS USM and is tack on and very sharp. The focus ring and the zoom ring are both very smooth. The velvety coating on the lens barrel feels very nice. Other reviews I've seen complain about the noise from the Sigma lens. I hardly noticed any even shooting in an empty house. The noise during focusing is a little more noticable that my Canon lenses but certainly not a deal breaker if trying to decide on wich brand of lens to purchase. I use this lens mainly shooting real estate interior shots and so using it at it's widest angle is where it spends most of it's time. So in these situations there is three main things I needed from this lens:
- Sharpness - I've already said it, It's sharp!
- Controlled C/A - Very little to none I am very impressed and happy here!
- Controlled Barrel Distortion - This is a little more pronounced that the Canon EF-S 10-22mm f/3.5-4.5 USM that I was renting but again not a deal breaker in my opinion and I feel it is still very well controlled.
I love my Canon lenes but for anyone looking to save a few hundred bucks on a ultra wide angle lens, you will not be disappointed by going with the Sigma 10-22mm EX DC HSM.
one of the best ultra wide angle lens for 1.6x crop sensor September 3, 2008
1 out of 1 found this review helpful
the build quality of this Sigma lens is very solid. the HSM(Hyper Sonic Motor) focus extremely fast. to believe it or not, i actually use this lens to photography a lot of full body portrait, and the results are very sharp. at f8-f11, it is very sharp! i own a lot of lens, and i could say this is one of the lenses i use the most. this Sigma 10-20 is great for outside landscape, and works very well for indoor as well. i use it at 10mm w/ F4 when photograph people indoor, and for event photography, because i do not have to backup too much to get a lot of people in the frame. make sure you keep the person in center of the frame, though, because it distorts the image pretty strong at the corners. when my 16-35 2.8L II is not wide enough on my 40D, i would def. switch to this lens
 returned August 30, 2008
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.
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.
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