COMPLETE PACKAGE - Includes padded case, lens hood, and a 1-year warranty for peace of mind.
CAPTURE THE WORLD - Experience breathtaking wide-angle shots with a 10-20mm focal length.
WHISPER QUIET FOCUS - Enjoy seamless shooting with the HSM motor for fast and silent autofocus.
COMPACT LIGHTWEIGHT - Weighing only 470 grams, this lens is perfect for on-the-go photography.
PRECISION ENGINEERING - Crafted with SLD low dispersion elements for stunning clarity and color accuracy.
The Sigma 10-20mm f4-5.6 EX DC HSM lens is a super wide-angle lens designed for Canon digital SLR cameras with APS-C sensors. It features advanced SLD low dispersion elements and aspherical lenses for exceptional image quality, a high-speed HSM motor for quiet focusing, and comes with essential accessories including a padded case and lens hood.
Specifications
Package Dimensions L x W x H
22.2 x 19.1 x 15.2 centimetres
Package Weight
0.73 Kilograms
Product Dimensions L x W x H
8.1 x 8.4 x 8.4 centimetres
Item Weight
470 Grams
Brand
Sigma
Camera Lens
20mm
Colour
Canon
Country of Origin
Japan
Has image stabilisation
No
Included components
Sigma 10-20mm f4-5.6 EX DC HSM, Fitted Padded Case, Lens Hood, Front and Rear Caps, Instruction Manual, 1 Year Warranty Card
Lens Fixed Focal Length
20 Millimetres
Max Focal Length
20 Millimetres
Min Focal Length
10 Millimetres
Model year
2007
Plug profile
Canonbayonet
Part number
201101
Size
8.1 x 8.4 x 8.4 cm ; 472 g
Lens Design
Zoom
Maximum Aperture Range
f4-5.6
Focus type
AF/MF
Style
1 Year Warranty
Photo Filter Thread Size
77 Millimetres
Guaranteed software updates until
unknown
Have a Question? See What Others Asked
How fast and accurate is the auto focus?
Is this a good lens for interiors for real estate photos
Is this lens for APS-C camera only? Or does it work for full frame cameras?
will Sigma 10-20mm work with a Nikon D80 series to shoot high quality photos indoors in small rooms?
Reviews
4.2
All from verified purchases
M**S
Superb lens
After looking for a wide angled lens for some time for my Canon camera I found this superb lens. Good reasonable price, sturdy build and does everything I need. As I take lots of landscapes this is the one for me. Better value than the canon wide angles and sturdier in build. The lens hood is very well made and sits firmly on the lens, unlike Canon ones that often fall off. Lovely lens bag too. Bag and hood for the canon would have cost about £50 extra. Some good websites dedicated to this lens, with thousands of photos to see what can be achieved. Most reviews of this product were positive and helped in deciding to buy it. Not the most expensive lens, sits comfortably in the affordable zone. Well pleased with it. Have a day shooting with it tomorrow....can't wait.
C**D
I missed this lens so much
I owned this lens for about 3 years and loved the combined ability to shoot ultra wide and from very close in to the subject. I used it with my Canon 20D and 40D bodies and had a lot of fun with it. Before I bought this lens I had been contemplating the option of upgrading to a full frame body. Once I had this lens that desire ceased. This lens gave me ultra wide shooting without losing the "advantage" of the 1.6 x crop factor for my longer lenses.In December 2009 all of my camera equipment was stolen in a burglary and this lens fell victim to me deciding to replace my body with the more expensive 7D rather than the 50D which would have been the current direct replacement for my stolen 40D. I got the 15-85mm IS kit lens with the 7D and I thought "that'll be wide enough".I was wrong! I ended up missing this lens so much that I have recently replaced it, and at the current price on Amazon of £377 it's seems to me to be an absolute bargain.Sigma have now released their 8-16mm lens, but you'll pay nearly twice as much. I know all too well that every mm counts at the wide end, but I couldn't justify the expense for the extra 2mm of width.There is now also an f3.5 version of this lens, but as I very often stop down to f8, f9 or more then I also couldn't see the point in paying quite a lot more for that either.I've had the replacement for about a week now and have been very happy with the image quality, just as I was with my original copy of this lens. My only slight gripe is with the lens cap, which seems to have been revised since I had my previous copy of this lens and seems to be rather tricky to lock properly into place. I'm worried that I'll soon lose the lens cap.One thing I've not yet tried, which I think might be a lot of fun, is shooting high definition video on my 7D using this lens. It's wide enough that camera shake shouldn't be much of an issue and I think it might provide some stunning video footage in appropriate locations.If you want to shoot wide, without going fish-eye then I think this lens represents wonderful value for money. Over the years I have used this lens I have to say that it is the lens which has given me the most photographic fun (I think maybe even more than my Lensbaby). Stop it down to f8 or f9 and you'll be in the sweet spot for sharpness (from my own experience), although I don't have any complaints even when shooting at f4.
K**E
Lens
The lens arrived before stated delivery date. It was in excellent condition (nowhere near as much wear as my damaged one so no complaint.I've used it several time sine purchase and no problem.
K**R
Essential kit.
I have had two copies of this lens, Pentax and Canon. I switched systems recently and one of my first purchases was this lens. The Pentax fit copy I had was trouble free with non of the fabled problems with bad copies of Sigma lenses. Thats why I got another when I moved to Canon because I loved using it. The Canon fit is way way better, HSM is a joy and nearly silent and the manual focus just feels more precise. Both my copies produced identical images with no problems of de-centering or focus issues. Its not perfect and the corners are soft, the Tokina supposed to be sharper but I have had no issues with this (this Sigma is cheaper). My Pentax copy was sharper at 100% crop but this was on a 10 megapixel K10 as opposed to my 15 megapixel 50D. The 50D is softer at 100% but at normal viewing you wouldn't notice. aAlmost all of my photography with this lens is a around f8 or f11 on a tripod and I have no problems with sharpness and the corners are acceptible. EX build quality is solid and there are no wobbles, it just feels like a quality product. Doesn't get 5 stars because of the corners but it's good (and apparently better than the new f3.5 version). Cult lens, I would be without mine.
Common Questions
Trustpilot
TrustScore 4.5 | 7,300+ reviews
Farhan Q.
The delivery time was excellent, and the packaging was secure.
2 months ago
Fatima A.
Best international shipping I've ever tried. Worth every penny!
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Better value than the canon wide angles and sturdier in build. The lens hood is very well made and sits firmly on the lens, unlike Canon ones that often fall off. Lovely lens bag too. Bag and hood for the canon would have cost about £50 extra. Some good websites dedicated to this lens, with thousands of photos to see what can be achieved. Most reviews of this product were positive and helped in deciding to buy it. Not the most expensive lens, sits comfortably in the affordable zone. Well pleased with it. Have a day shooting with it tomorrow....can't wait."},{"@type":"Review","reviewRating":{"@type":"Rating","ratingValue":"5.0"},"author":{"@type":"Person","name":"C***D"},"datePublished":"23 September 2010","name":"I missed this lens so much","reviewBody":"I owned this lens for about 3 years and loved the combined ability to shoot ultra wide and from very close in to the subject. I used it with my Canon 20D and 40D bodies and had a lot of fun with it. Before I bought this lens I had been contemplating the option of upgrading to a full frame body. Once I had this lens that desire ceased. This lens gave me ultra wide shooting without losing the \"advantage\" of the 1.6 x crop factor for my longer lenses.In December 2009 all of my camera equipment was stolen in a burglary and this lens fell victim to me deciding to replace my body with the more expensive 7D rather than the 50D which would have been the current direct replacement for my stolen 40D. I got the 15-85mm IS kit lens with the 7D and I thought \"that'll be wide enough\".I was wrong! I ended up missing this lens so much that I have recently replaced it, and at the current price on Amazon of £377 it's seems to me to be an absolute bargain.Sigma have now released their 8-16mm lens, but you'll pay nearly twice as much. I know all too well that every mm counts at the wide end, but I couldn't justify the expense for the extra 2mm of width.There is now also an f3.5 version of this lens, but as I very often stop down to f8, f9 or more then I also couldn't see the point in paying quite a lot more for that either.I've had the replacement for about a week now and have been very happy with the image quality, just as I was with my original copy of this lens. My only slight gripe is with the lens cap, which seems to have been revised since I had my previous copy of this lens and seems to be rather tricky to lock properly into place. I'm worried that I'll soon lose the lens cap.One thing I've not yet tried, which I think might be a lot of fun, is shooting high definition video on my 7D using this lens. It's wide enough that camera shake shouldn't be much of an issue and I think it might provide some stunning video footage in appropriate locations.If you want to shoot wide, without going fish-eye then I think this lens represents wonderful value for money. Over the years I have used this lens I have to say that it is the lens which has given me the most photographic fun (I think maybe even more than my Lensbaby). Stop it down to f8 or f9 and you'll be in the sweet spot for sharpness (from my own experience), although I don't have any complaints even when shooting at f4."},{"@type":"Review","reviewRating":{"@type":"Rating","ratingValue":"5.0"},"author":{"@type":"Person","name":"K***E"},"datePublished":"3 May 2025","name":"Lens","reviewBody":"The lens arrived before stated delivery date. It was in excellent condition (nowhere near as much wear as my damaged one so no complaint.I've used it several time sine purchase and no problem."},{"@type":"Review","reviewRating":{"@type":"Rating","ratingValue":"4.0"},"author":{"@type":"Person","name":"K***R"},"datePublished":"20 January 2010","name":"Essential kit.","reviewBody":"I have had two copies of this lens, Pentax and Canon. I switched systems recently and one of my first purchases was this lens. The Pentax fit copy I had was trouble free with non of the fabled problems with bad copies of Sigma lenses. Thats why I got another when I moved to Canon because I loved using it. The Canon fit is way way better, HSM is a joy and nearly silent and the manual focus just feels more precise. Both my copies produced identical images with no problems of de-centering or focus issues. Its not perfect and the corners are soft, the Tokina supposed to be sharper but I have had no issues with this (this Sigma is cheaper). My Pentax copy was sharper at 100% crop but this was on a 10 megapixel K10 as opposed to my 15 megapixel 50D. The 50D is softer at 100% but at normal viewing you wouldn't notice. aAlmost all of my photography with this lens is a around f8 or f11 on a tripod and I have no problems with sharpness and the corners are acceptible. EX build quality is solid and there are no wobbles, it just feels like a quality product. Doesn't get 5 stars because of the corners but it's good (and apparently better than the new f3.5 version). Cult lens, I would be without mine."}],"aggregateRating":{"@type":"AggregateRating","ratingValue":4.75,"bestRating":5,"ratingCount":4}},{"@type":"FAQPage","mainEntity":[{"@type":"Question","name":"How fast and accurate is the auto focus?","acceptedAnswer":{"@type":"Answer","text":"For me, the lack of accurate focus was why I returned this lens. For many of my shots - nothing was in focus over the whole photo. It may work fine for some, but every iteration of this lens that I tried did not work for me. I recommend looking at the Tamron 10-24 f3.5 (further zoom, better aperture). I've been using it for 1.5 yrs & it stays on my camera as the default lens!"}},{"@type":"Question","name":"Is this a good lens for interiors for real estate photos","acceptedAnswer":{"@type":"Answer","text":"I have been involved in real estate since 1997. This was the only lens I used with my Canon."}},{"@type":"Question","name":"Is this lens for APS-C camera only? Or does it work for full frame cameras?","acceptedAnswer":{"@type":"Answer","text":"With an adapter it works with my LUMIX S1 but there's a trick. The S1 will by default crank down to S-35 mode or about a 1.5x APS-C crop.\n\nIn order to get it to \"work\" in full frame mode, although I don't know which cameras/brands will work with this hack, you turn the camera on with the lens installed. The S1 registers it as an APS-C (cropped) lens. Simply press the lens release and turn the lens slightly and then click it back into place. It should allow the lens to be used in full frame mode. HOWEVER, as has been mentioned, it will still produce strong vignetting at 10mm. Zoom to about 12 or 13mm all the way to 20mm and it should fill the frame. Anyone know if this trick works on brands other than Panasonic?"}},{"@type":"Question","name":"will Sigma 10-20mm work with a Nikon D80 series to shoot high quality photos indoors in small rooms?","acceptedAnswer":{"@type":"Answer","text":"It works great with d80, very good lens for the money, just shoot at f11 or f8. Distortion can be corrected afterwords, happy shooting."}}]}]}