Sigma DC 10-20mm f/4-5.6 EX HSM

(8 customer reviews)

This camera glass is a wide angle zoom lens suitable for aps-c cameras, with a quick and silent autofocus system. It has a focal length of 10-20mm, equivalent to 15-30mm on a full frame camera. The lens has 6 aperture blades, which provide a rounder out of focus shape. The lens filter diameter is 77mm and it weighs 470 grams, so it may be heavy to carry around. The lens is 83mm long and requires consideration when storing it in a camera bag.

of the Sigma DC 10-20mm f/4-5.6 EX HSM camera lens.

Positives: The 10mm focal length is amazing in capturing a vast scene and doesn’t require the photographer to step back. It is easy to use and has a very fast focusing speed. The lens build is sturdy and fits well with a Nikon D7000. The overall picture quality is sharp, except for the sides when wide open.

Negatives: The lens is heavy, making it a bit challenging for extended periods, and some may find it challenging to carry around. While the Auto Focus works great, it does not go very well with Live View when using a D7000. The sides tend to be slightly soft when wide open, but this can be manageable with little adjustments.

Conclusion: For the price tag, the Sigma DC 10-20mm f/4-5.6 EX HSM lens is a great buy for photographers looking for a reliable and effective wide-angle lens. It delivers excellent image quality, with a few limitations but manageable ones. The rapid focusing speed and remarkable picture quality make it an ideal addition to any photography kit. Overall, it is a fun lens to work with, and its compact size makes it perfect for outdoor and travel photography.

Optical design

Has 6 aperture blades, this number of blades are commonly used. Having rounded blades provides out of focus circle shape closer to a circle. Full frame equivalent focal length is 15.0-30.0 mm. It is a ring-type ultrasonic motor designed to provide quick and silent focusing.

Physical characteristics

Weights 470 grams so plan ahead, carry only if really necessary. With a lens filter diameter of 77 mm this lens deserves a good quality filter, this is commonly filter size, provides a range of filter options. 83 mm long, requires consideration if you want to carry in the camera bag.

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8 reviews for Sigma DC 10-20mm f/4-5.6 EX HSM

  1. allphotolenses.com

    11.0 allphotolenses.com user rated as 4.04/5

  2. Ebay.com

    Ebay.com rated as 4.79/5

  3. lens-club.ru

    24 lens-club.ru user rated as 3.99/5

  4. Ebay.com Sep 16, 2021

    Excellent wide angle lens I have been shooting real estate photography on an APS-C Nikon D7100 with a 16-85mm lens which has worked for most applications, but in some smaller rooms, it became a bit limiting. This 10-20mm lens solved that problem. This lens paid itself off for me in the first photoshoot with how much easier it was to get set up and capture what I needed to. Bathrooms were always a nightmare because of tight spaces, but with this lens, it’s no problem at all. Being just over $200 to get the extra FoV as compared to the thousands I would spend on going to a full frame body and buying lenses to match, I’d say there’s a lot of bang for buck out of this lens. The fact that it starts at f/4 is no problem in my case since pretty much all of my indoor shots are done at f/6.3 & ISO 640. Stopped all the way down, it’s still pretty darn sharp. I’m still accustomed to having VR on my 16-85mm lens, so it’s not quite as good for hand held shots, especially in darker rooms and basements, but with the much wider FoV, I have yet to run into a situation where I couldn’t use a tripod. I would mention that there was white oxidation on the rubber focus and zoom rings. This is easily taken off with a dry toothbrush and doing so really brought the look of the lens back to near brand new. Other than that, everything is cosmetically and functionally in great shape.

  5. Ebay.com Jun 19, 2008

    Sigm 10-20: Making a Believer out of a Skeptic Let me preface this by saying I am NOT a fan of Sigma. I’ve foudn their products to be worthy of their bottom-dollar prices, and have gone through a few low-end and high-end models with limited satisfaction. When my fellow Nikon shooter pressured me into considering the Sigma 10-20, my collection of lenses consited of only Nikon AF-D’s and a couple AF Tokinas. My original plan was to buy a Tokina 12-24 wideangle, as Tokina was always the un-disputed best 3rd party Nikon lens for me. I caved to peer pressure and bought this Sigma.

    The lens itself is very heavy duty, on par with high end Nikon models. It has a professional 77mm filter and a smooth zoom ring, smoother than many Nikon lenses I own. The bayonet and AF electronics lock up tight, and the focusing motor is quiet and accurate (a BIG problem with other Sigma lenses).

    Sigma has a possibly deserved stereotype of fuzzy optics. This is not so for the 10-20. Not only are the optics clear, but the lens has surprisingly little barrel distortion, less than other 12mm wideangles I’ve tested, and certainly less than other Sigma offerings such as the 12-24 and the 15-30. Focus seems sharp, although I have not tested it in all aspects of photography. Sharpness is best, or course, at F6 or F12, but open at F4 is still professionally useable. In this day of low-noise/high-iso cameras however, you could shoot at F6 all day and night.

    If you’re considereing a Tamron ultrawide, forget it. If you’d like to look at the Tokina 12-24, they just released a constant F2.8, but I would suggest you take your SLR body to a camera shop and try it out. If you can find the Sigma, however, you will be getting a sturdy and clear lens that opens wider than most comparably priced lenses on the market and produces and image with equal or greater clarity than other 3rd party offerings. I cannot compare it to Nikon’s 10-17 as I’ve never mounted one on my camera, but I can say that I spent many years badmouthing Sigma and am quickly learing to eat my words.

  6. Ebay.com Nov 03, 2010

    Sigma 10-20mm f/4-5.6 EX DC HSM – SA Mount This is pretty much the only ultra-wide lens for the Sigma SD dSLR without going to the exotic fish-eye lens. The EX-series lenses are exceptionally well-built with great fit and finish and nice hefty weight. The HSM motor is very quiet and accurate. Luckily my copy has no focusing issue. Since this is a wide-angle lens, the usual issues are there: distortion, vignetting, softness towards the corner, etc. But unless you pixel-peep all the way, the results are very pleasing images. This lens is very sharp around f/8~f/11, which I believe most people will be using in this sort of lens, ie, landscape, scenery situations. Overall, this is a very good value ultra-wide angle lens (ASP-C) for the price.

    Obviously, people with non-Sigma dSLR would have more options such as their own proprietary brand lens and the third party lenses such as Tokina or Tamron. In which case I would recommend the Tokina AT-X 11-16mm f/2.8, definitely a winner, in both price and performance. I use one for Nikon D300s and Fuji S5 Pro and the results are very nice, sharp and contrasty.

    Enjoy!

  7. Ebay.com Jul 07, 2006

    Sigma 10-20 f/4.5+5.6 EX D HSM for Nikon AF As a shooter who has made over a million photographs I greatly missed the wide angle lenses when I switched to digital. Know that with the Sigma 10-20 this is no longer a problem–the lens is the equivalent of a 15mm on 35mm, and in any normal situation will get the job done. The quality of the image is no different than what you will see from any other good lens. Naturally, if you crop you will see that the image isn’t as good as if you hadn’t cropped–but that is true of any lens. What I want to say is you will see no loss of image quality to gain the extra width. If you put the lens onto a 35mm film camera you will see some darkening of the corners–but maybe not as much as you think–a 10mm on a 35mm camera lets you get a whole room in a picture–try it you should like it.
    Stan Kerns

  8. Ebay.com Oct 16, 2012

    10mm Magic!! This is my first wide angle so I couldn’t make any comparison or too much opinion on it. But i hope my first impression towards this lens might help you anyway.

    The weight is quite heavy for the first thing i noticed, and of course the build is quite sturdy. The appearance just fits nice to my Nik D7000 with the lens hood on it.

    The picture quality was pretty sharp overall except for the sides are abit soft when wide open. The focusing speed was so so fast. The 10mm is really the magic! you can fit so many things in 10mm without the need to stand aback.

    The bad thing(perhaps it’s just this copy) is it couldn’t focus in live view on my D7000, so i have to relly on my eye and manual focus while taking vids.

    Overall it’s a fun lens with the price~ you can try this lens out!!

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