Sigma 10-20mm f/3.5 EX DC HSM : Specifications and Opinions

Sigma 10-20mm f/3.5 EX DC HSM

The Sigma 10-20mm f/3.5 EX DC HSM is a wide-angle lens for APS-C, manufactured from 2009 to 2021 (discontinued). The focus is done by Ultrasonic AF Motor (Ring-USM), it does not have image stabilization. The average price was 517 €;

110 users have given it an average vote of 8.9 out of 10.

MOUNT

This lens is available with the following mounts:

Canon EF: this lens is compatible with reflex APS-C Canon EF.

Nikon F: this lens is compatible with reflex APS-C Nikon.

Sony A-mount: this lens is compatible with reflex APS-C Sony A-mount.

Pentax: this lens is compatible with reflex APS-C Pentax.

Specifications
Focal lenght	10-20 mm
Angle of view	110.4 - 71.5° (equivalent to a 15-30mm in Fullframe 24x36mm format)
Format	APS-C
Max. aperture	f/3.5
Aperture blades	7
Lenses/Groups	13 elements in 10 groups
Min. focus distance	0.24 meters
Reproduction ratio	0.15x
Features
Zoom type	Ring, interal
Stabilization	No
Focus	Ultrasonic AF Motor (Ring-USM)
Internal Focus	Yes
Built and notes
Tripod ring	No
Extenders	No
Filters	82 mm
Lens hood	Yes, supplied
Weather sealing	No
Weight	520 g
Dimensions	87 x 88 mm
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Reviews

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Timk2

sent on 04 Maggio 2015

Pros: Constant f3.5 aperture

Cons: Duff sample, so went for Nikkor 10-24mm

Opinion: After reading some glowing reports on this lens, I wanted to add my unfortunate experience. The constant f3.5 aperture and 10mm, versus the 11mm of the Tokina 11-16mm, so I ordered the lens (approved UK stock) with approved finance with a particular retailer. Firstly, I found the lens less well finished than other EX Sigma's but then on trying, it just wasn't sharp at any aperture, or focal length, or at focussing point. The fringing around tree twigs in the sky rendered them awfully too. Definitely a dud. The supplier then checked the potential replacement (at my request) and they found that to be faulty too, but in a different way. They checked ALL their stock and found they couldn't sell any of them. In the end, it was resolved by them price-matching the Nikkor 10-24mm with cheapest UK stock and the rest is history. The Nikkor is excellent, usable at all apertures, except f22 and extends slightly further to 24mm. There are never issues with image quality with these Nikkor's. Sigma failed on this one, big time. You may well be much luckier and Sigma may well have got their act together now, but my experience will always taint me with reluctance when buying Sigma again.

The following opinions have been automatically translated with Google Translate.

S5pro

sent on 17 Settembre 2024

Pros: "Bright", very sharp in close-up, 14mm also covers the fullframe, looks robust

Cons: Good enough on aps-c, Front/back focus

Opinion: I took it because I was totally uncovered on the wide-angle side, and then used it sporadically. I have also always found it uncomfortable to use the wide-angle with the reflex viewfinder. With live view I can find the frame more easily. Since from 14mm onwards it covers the FullFrame format, I'm testing it on Nikon D610, but the autofocus doesn't work despite the lens has the hsm motor, while it works on other bodies, even the autofocus film ones. Surely there is better for both aps-c and fullframe, but I don't have a yardstick for now.

Tommaso Paolucci

sent on 25 Gennaio 2021

Pros: f3.5 fixed and good angle of field

Cons: blur on edges and focus

Opinion: It's a great lens to start with (I mount it on the D7200) but as you take your hand you notice the difficulties it has. At 10 mm it suffers a lot from blurring on the edges especially if you shoot vertically you can perceive at the bottom if you have a foreground with a lot of texture. You often have to do focus calibration because it suffers a lot from backfocus. All in all it gave me considerable satisfaction but the sensor of the D7200 deserves better.

Lorenzo902018

sent on 04 Gennaio 2019

Pros: Focal Range, autofocus, construction, value for money and brightness

Cons: A 10mm Soft at the edges and chromatic aberrations

Opinion: I use this lens on a Canon 1300d and it's probably the best wide angle for Canon APSC in relation to the value for money. The lens looks very well giving you a feeling of solidity and build quality, the focus motor is fast, quite accurate and very quiet. The Sigma 10-20 is a bright and crisp lens, though it is advisable to close a few stops to get the most quality on the entire frame. Used at 10-12mm The distortion is felt quite strongly (but I think it is normal at these focal lengths); If you shoot at 10mm or TA the sharpness is great only in the center because the edges record a progressive drop in quality (no problem if you use other lengths). In situations of strong contrast, at the extremes of the focal range, there are chromatic aberrations a bit ' annoying but still solvable quite simply in post production. Vignetting little present and very good the tightness in backlight. Quite heavy (almost 550g) but still in the norm for a wide angle zoom f 3.5. Hood and protective bag included in the package. Overall I am definitely satisfied and I would strongly recommend this lens to anyone looking for a wide-angle zoom for APSC of overall quality higher than the entry level Canon 10-18mm.

PaoloD72

sent on 01 Luglio 2018

Pros: Price, build quality, autofocus, bright

Cons: Vignetting at 10 mm

Opinion: I've been using this lens for a few months. 1st on Nikon D3200 now on D7200. Great lens with great value for money. Slightly too heavy but solid, compact and well built. Silent, precise and rapid autofocus. Bright and sharp enough. It suffers from slight vignetting on the edges at 10mm which in some shots can also be pleasant. Maybe the 82mm in diameter are a tad too many. Overall I am very pleased with this view.

There are 24 more reviews. Show all »

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Sigma 10-20mm f/3.5 EX DC HSM : Specifications and Opinions

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Photos taken with Sigma 10-20mm f/3.5 EX DC HSM