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The Canon fit Sigma 10-20mm F3.5 EX DC HSM is a super wide-angle lens with maximum aperture of F3.5 throughout the entire zoom range. It has two ELD glass elements and one SLD glass element which provide excellent correction of colour aberrations. Four aspherical lenses provide correction for distortion and allow its compact and lightweight construction. It also features a hyper sonic motor which enables quiet and high speed auto focus. The Sigma 10-20mm F3.5 EX DC HSM lens is designed for digital SLR cameras with an APS-C sized sensor and vignetting will occur if used with digital SLR cameras with larger sensors or 35mm film SLR cameras. More
Ultra wide-angle zoom from 102.4* degrees
The 10-20mm F3.5 EX DC HSM lens offers photographers greater freedom of expression by rotating the zoom ring. It is a very powerful tool for architectural, indoor and landscape photography.
*The angle of view changes depending on which camera model the lens is attached to.
This ultra wide-angle lens allows photographers to create an exaggerated perspective between the subject and the background to emphasize, for example, expanses of a landscape.
Large F3.5 aperture through the entire zoom range
The large, constant aperture of F3.5 provides a bright image in the viewfinder, which helps photographers easily check focusing and composition.
Superior image quality
Two ELD (Extraordinary Low Dispersion) and one SLD(Special Low Dispersion)glass elements are employed for effective compensation of color aberration. The use of two glass mold and two hybrid aspherical lenses offer excellent correction for distortion and astigmatism and assure superior image quality. The super multi-layer coating reduces flare and ghosting and provides high contrast images throughout the entire zoom range.
Quiet and fast AF
This lens incorporates HSM (Hyper Sonic Motor), which ensures a quiet and high-speed auto focus as well as full-time manual focus override by rotation of the focus ring.*
*AF will not function with Pentax ist* series and K100D DSLR cameras that do not support HSM.
An inner focusing system eliminates front lens rotation, making the lens particularly suitable for using the included petal-type lens hood which blocks out extraneous light.
Minimum focusing distance of 24cm (9.4") at all focal lengths
This lens has a minimum focusing distance of 24cm (9.4 inches) throughout the entire zoom range. This close focusing distance on such a wide-angle lens emphasizes perspective and allows the photographer to capture high quality images, not only of the foreground subject but also the surrounding scenery.
*Vignetting will occur if the lens is used with digital cameras with image sensors larger than APS-C size or 35mm SLR cameras.
EX (EX Lens)
The exterior of this lens is EX-finished to denote the superior build and optical quality, and to enhance its appearance.
DC (DC Lens)
Sigma’s DC lenses are designed for cameras with a cropped sensor. Do not put a Sigma DC lens on a camera with a full-frame sensor, such as the 5D Mark III. These are special lenses designed so that the image circle matches the smaller size of the image sensor of most digital SLR cameras. Their specialised design gives these lenses the ideal properties for digital cameras, the compact and lightweight construction is an added bonus.
HSM (Hyper-Sonic Motor)
This lens uses a motor driven by ultrasonic waves to provide a quiet, high-speed AF.
(based on 15 reviews)
of respondents would recommend this to a friend.
Reviewed by 15 customers
Displaying reviews 1-10
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(1 of 1 customers found this review helpful)
Sigma 10-20mm F3.5 EX DC HSM Lens - Cano
About Me Professional
Comments about Sigma 10-20mm F3.5 EX DC HSM Lens - Canon Fit:
I bought this as I needed a wide angle lens. Being fussy, I researched searchingly online and on various sites that also carry out lens reviews. I also went onto YouTube and watched an excellent comparison between this and the Tamron and Canon similar lenses. I'm a huge fan of Tamron lenses, but this knocked spots off both the competitors' lenses. The ultra wide filter size (82mm) makes up for the f3.5. On a narrower filter thread this would be a problem, but with the amount of light entering the lens, it performs like my f2.8 lenses. Sharp - and considering the width, the vignetting is not too bad. Every lens -(including L lenses) I own has some. This can be overcome in post processing and with a higher f setting (f8 upwards is perfect). It is a trifle heavy, but actually balances the camera very well, so is not a major issue. I am truly impressed with this and have recommended it to my club members - loudly!
Bottom Line Yes, I would recommend this to a friend
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About Me Casual user
Excellent lens heavy but well made .
Sigma 10-20mm F3.5 EX DC HSM Lens
from North Yorkshire
About Me Semi-Professional
For the price its a great lens, does what I need it to do.
(2 of 2 customers found this review helpful)
About Me Hobbyist/Enthusiast
I wanted a good quality ultra wide lens to compliment my kit and all the reports on this one were very good. Much to my surprise I now like this lens so much I use it on camera instead of a more conventional standard Canon 'L' series zoom lens for landscapes because I love the results with its more unusual perspectives with the emphasis on foregrounds. It's very sharp (every bit as good as an L series) & with its f3.5 aperture is great in low light.
(0 of 1 customers found this review helpful)
Early days but pretty good
This is not a lens I will use everyday but it gives me a great wide option. I have used it for night photography - great.
(0 of 2 customers found this review helpful)
Used at the moment for landscape with very good results
Images shared by GrahamJ48
Tags: Made with Product
(6 of 11 customers found this review helpful)
Let down by poor QC
I've owned this lens since it was first launched as an upgrade to the f/4-5.6 version a few years ago. As I shot a lot of sports and low light at the time I didn't fancy the slower version so waited for this. I've used it for landscapes, architecture, industrial work and even on occasions like weddings for venue shots for shooting large groups in small venues. The width makes it pretty versatile in a lot of tight spaces and that extra little light gathering afforded by the wider aperture has its uses, although the only time I've found it to be sharp at f/3.5 is when used up very close and you can get a precise focus. Trying to use it at any distance wide open is just a no-go, it gets unusably soft very quickly.As you stop it down there's some definite improvement, although even at an optimum aperture of f/11 before the diffraction of smaller apertures kicks in, there's still some pretty heavy corner softness... Especially in one corner, which leads me to believe that one of the elements isn't quite correctly aligned. It's been like this since purchase but I've somehow lived with it. It's like this regardless of how good the light is, how sturdy the camera is supported, even using mirror lock up and a remote just to remove any other possible factors relating to softness.I've used a few other APS-C ultra wide angle zooms such as the Canon 10-22, Tokina 10-24 and the Nikon 10-24 too, all of which outperform this Sigma 10-20mm f/3.5 in terms of overall image quality... And in the case of the Tokina, it beats it on price too. Do yourself a favour, shop around, try different lenses out on your camera and see what works for you. But definitely don't make any snap judgements as far as buying this Sigma goes.
Bottom Line No, I would not recommend this to a friend
(3 of 3 customers found this review helpful)
A lens worth waiting for
I've used this lens for night photography and it's good and for architecture in general. The lens is excellent for both exterior and interior work. Some find the lens heavy - yes but as a retired professional I'm used to weighty cameras and the lens does reward the user with its quality. For architecture just set the lens to f11 and it gives edge to edge sharpness from the reach of your arm to infinity and no noticeable distortion.No cons for me.
(1 of 2 customers found this review helpful)
Attractive price and good performance
Excellent build quality, great for landscape and interior architectural photography, significantly cheaper than the Canon equivalent.
(0 of 3 customers found this review helpful)
Used in conjuction with my Canon 7D this now complements my lens line up.
Included Accessories: Case, Petal-type hood
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