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

Pictures:
Specifications:
Manufacturer Sigma
Model 10-20 mm f/4-5.6 EX DC HSM
Lens style Wide angle zoom
Focal length 10 - 20 mm
Maximum aperture f/4 - 5.6
Angle of view 102.4 - 63.8 o
Closest focusing distance 0.24 m
Maximum magnification 1:6.7
Minimum aperture 22
Number of diaphragm blades 6
Auto focus type AF HSM
Lens Construction 14 elements / 10 groups
Filter diameter 77 mm
Macro No
Available mounts Canon EF
Nikon F
Sony A / Minolta
Sigma
Pentax K
Dimensions 83.5 x 81 mm
Weight 470 g
Additional information
Average rating (18 owners reviews)
Build quality
Optical quality
Value for money

Overall

4.15 Good
Owners reviews (18)
  1. Peter Piper
    Peter Piper 22 April 2015, 19:16
    Build quality
    Optical quality
    Value for money

    Overall

    IP 90.137.x.x
    Owner since: 1 year
    Price: $450 AUD
    User profile: Amateur

    Cons: Un-sharp, kit lens sharper. Stopped down sharpness is a little better, but not better than the kit lens. Back focusing at F/4, rest was okay. Screw drive AF for Pentax noisey. Plenty of vignetting.

    Pros: Goes wider than a kit lens. Cheapest wide angle lens.

    Summary: Horrible lens, extremely disappointed. Got rid of it and paid double the price for the Pentax DA 12-24 - huge leap in quality and so much more happier.

  2. kessi
    kessi 28 March 2014, 09:43
    Build quality
    Optical quality
    Value for money

    Overall

    IP 80.142.x.x
    Owner since: 2 years
    Price: 250€
    User profile: Semipro

    Cons: Not good at all wide open. Ok, at f/11. Some difficult flares.

    Pros: Build Quality is overall good.

    Summary: Use only with good high ISO Cameras or Daylight or Stativ.

  3. Mister Spaccato
    Mister Spaccato 28 January 2014, 10:35
    Build quality
    Optical quality
    Value for money

    Overall

    IP 151.66.x.x
    Owner since: 1 year
    Price:
    User profile: Amateur

    Cons: High vignetting and barely acceptable sharpness at maximum apertures. The maximum aperture changes across the focal length range.

    Pros: Good overall sharpness at f/8-11. Very good build quality. Silent, quick and accurate autofocus system. Lens pouch and hood included. Fair price.

    Summary: Good overall quality and one of the best price performance ratio for Canon aps-c cameras.

  4. Phil
    Phil 25 April 2013, 08:59
    Build quality
    Optical quality
    Value for money

    Overall

    IP 180.150.x.x
    Owner since: 1 year
    Price: $430
    User profile: Amateur

    Cons: Corner sharpness, Quality control

    Pros: Price. Wide!

    Summary: Disappointed with this lens, on a 40D and even more with a 7D showing off it's optical deficiencies. Two trips to Japan(!) to remedy de-centering and then a lens element flaw improved things, but not to the levels many reviews suggest. If you like your kit lenses you will be content enough with a 10-20, if you are used to better glass you may be dissapointed, especially on higher MP bodies.

  5. baganec
    baganec 30 August 2012, 09:16
    Build quality
    Optical quality
    Value for money

    Overall

    IP 144.36.x.x
    Owner since: 2 years
    Price: $350
    User profile: Semipro

    Cons: sharpness in corners is weeker

    Pros: very sharp in center, quite quick AF, very good build quality, price

    Summary: This was my favourite lense on PX untill I changed the system.

  6. omer
    omer 21 June 2012, 18:53
    Build quality
    Optical quality
    Value for money

    Overall

    IP 79.171.x.x
    Owner since: 3 years
    Price: $550
    User profile: Semipro

    Cons: relatively slow lens

    Pros: very sharp and pleasure to use

    Summary: A great lens

  7. Tor
    Tor 12 May 2012, 13:50
    Build quality
    Optical quality
    Value for money

    Overall

    IP 84.49.x.x
    Owner since: 1 year
    Price: 3600 nkr
    User profile: Amateur

    Cons: Slow. Sigma's bad reputation on quality control. They say there are some bad samples out there.

    Pros: Quite sharp and good build quality for the price. Great usability.

    Summary: I ended up selling this due to little use after purchasing the Tokina 116. However, I found this sharper in the wider zoom-end, and also better towards bright light. A good lens!

  8. whyukon
    whyukon 12 August 2011, 05:44
    Build quality
    Optical quality
    Value for money

    Overall

    IP 199.247.x.x
    Owner since: 3 months
    Price: $562 Canad
    User profile: Amateur

    Cons: Some vignetting, but correctable in software

    Pros: Excellent build quality and ergonomics. Fun and easy to use.

    Summary: The quality is much greater than the price. Excellent value.

  9. taurui
    taurui 19 April 2011, 15:04
    Build quality
    Optical quality
    Value for money

    Overall

    IP 87.148.x.x
    Owner since: 1 year
    Price: 420€
    User profile: Semipro

    Cons: Weak directly against bright light (but that's normal for ultrawides), limited fastness, vignetting at 10mm, edges could be sharper at max aperture

    Pros: Decent build quality, good quality at center of frame on large apertures, good quality at edges from f/8 and smaller, generally good contrast and colors, fast and reliable autofocus

    Summary: This is probably one of the best ultrawides for dx (with the noteable exception of the tokina 11-16 which unfortunately doesn't have an autofocus motor). Good image quality for most purposes, especially outdoors when you've got enough light to use a smaller aperture.

  10. Jose Rocha
    Jose Rocha 17 February 2011, 19:44
    Build quality
    Optical quality
    Value for money

    Overall

    IP 2.81.x.x
    Owner since: 3 years
    Price: 549 €
    User profile: Amateur

    Cons: Mine is a little decentered but nevertheless it doesn't have great corner sharpness, but reaches acceptable levels at f/8 and good at f/11. This is the only minus point in this lens.

    Pros: Good center sharpness from f/5.6 and up, great color rendition and flare resistance, good contrast and perfect exposure all the time. Excellent build quality, very silent fast focusing. Very well controlled distortion for a wide-angle lens!

    Summary: It's a pleasure to use this lens, the build quality is fantastic, and I'm always sure that the exposures are spot on and with great color rendition. I use the lens hood all the time to prevent flare and to provide a way to protect the front element.

  11. kgp
    kgp 27 January 2011, 16:54
    Build quality
    Optical quality
    Value for money

    Overall

    IP 94.66.x.x
    Owner since: 2 years
    Price:
    User profile: Amateur

    Cons: Vignetting, but easily removable in PP

    Pros: Build quality, sharpness, generally every aspect is at least above average, price

    Summary: Maybe some of the newest wide zooms are slightly better, but Sigma 10-20mm f/4-5.6 EX DC HSM has the best value for money ratio!

  12. David Hobbs
    David Hobbs 25 October 2010, 07:46
    Build quality
    Optical quality
    Value for money

    Overall

    IP 220.237.x.x
    Owner since: 3 years
    Price:
    User profile: Amateur

    Cons: Considerable geometric distortion in some circumstances but this is mostly due to the sort of lens it is.

    Pros: Excellent build quality. Everything has always operated well Unique finish stands up to frequent use surprisingly well Well and truly sharp enough for my purpose Wonderful depth of field Dramatic images No focusing issues, ever.

    Summary: All lenses work least well wide open. This is no exception. Most lenses are sharper toward the centre. That is mostly true of THIS lens as well. I have shot the interior of hundreds of houses with this lens and am perfeclty happy with the results. It stands up well to frequent use and provides me with spectacular images. I don't shoot test charts and optical compromises have never been an issue for me.

  13. kiko
    kiko 28 July 2010, 13:36
    Build quality
    Optical quality
    Value for money

    Overall

    IP 121.54.x.x
    Owner since: 3 months
    Price:
    User profile: Amateur

    Cons: corner shading is noticeable but manageable.

    Pros: sharp lens. Though not a fisheye lens the distortion at the edges gives a unique perspective to composition. very wide angle view!!!

    Summary: Fun to use, great compositions, lighter on the budget. lens worth buying!!!

  14. Manok
    Manok 17 June 2010, 16:37
    Build quality
    Optical quality
    Value for money

    Overall

    IP 119.95.x.x
    Owner since: 6 months
    Price: euro 420
    User profile: Amateur

    Cons: Sometimes there's a problem with focusing, and it keeps on trying for several seconds. Some photos are not very sharp towards the edges.

    Pros: Fantastic dramatic landscapes. Good colors. Makes it very easy to find a good composition.

    Summary: Whether it's for in the city, or outdoors for landscapes, this lens hardly leaves my camera. I had to choose between spending money on a wide-angle or a tele-zoom, and I made definitely the right choice!

  15. rainer
    rainer 12 June 2010, 13:04
    Build quality
    Optical quality
    Value for money

    Overall

    IP 80.59.x.x
    Owner since: 3 years
    Price: 475
    User profile: Semipro

    Cons: strong cornershading

    Pros: nearly without cromatica aberrations, very sharp, very wide, only little cornerdistorsion

    Summary: I got the older Pentaxversion without the internal scale-window. And this version is the REAL one, very sharp, beautiful coulors. The new version is NOT so sharp, I had as well a 4/3version and I know, what Iam talking about - I sold it....

  16. Vedran
    Vedran 23 May 2010, 14:25
    Build quality
    Optical quality
    Value for money

    Overall

    IP 85.94.x.x
    Owner since: 6 months
    Price: 600€
    User profile: Amateur

    Cons: I have problems with decentering. Left edge of frame has more CA and it's not quite so sharp as right edge. I've sent lens to Japan for repairs but it came back with same problems.

    Pros: Wide angle, wide angle, great sharpenss in center, very fun lens to use.

    Summary: Be sure to check this lense before buying. If you fing good sample buy it :)

  17. Big G
    Big G 27 June 2009, 10:33
    Build quality
    Optical quality
    Value for money

    Overall

    IP 64.12.x.x
    Owner since: 2 years
    Price: $A 380
    User profile: Amateur

    Cons: Some field curvature at the edges Other website/listservs cite uneven manufacturer quality control, especially decentering Lens hood does not engage easily (minor)

    Pros: Great landscape lens Color transmission, without filters, is brilliant

    Summary: A great lens for all super WA zoom purposes purchased at what was a great price. Original equipment prices for comparable Canon/Nikon items are twice as much and probably afford only slightly better image quality, if even that.

  18. marcinek
    marcinek 23 June 2009, 04:43
    Build quality
    Optical quality
    Value for money

    Overall

    IP 217.153.x.x
    Owner since: 1 year
    Price: $400
    User profile: Semipro

    Cons: This is EX lens, and I expect excellent quality. After a 6 months of usage, zoom ring started rotating too easily. I prefer its initial resistance. This is why only 4 for build quality was given. I feel it steels some parts of blue-green spectrum, but I have to wait for transmission tests on lenstip.com to confirm.

    Pros: True wide angle for DX/APS-C users. Very good distortion performace (for such a crazy angles).

    Summary: It nedds to be stopped down to f/8-11 to get really sharp images. But it offers usefull quality for all apertures. Another must-have lens for DX/APS-C user. Best used outdoor. A piece of my weekend packing routine: D300 +N1.8D +N70-300VR + S10-20 :-)

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