Sigma 20mm f/1.4 DG HSM Art Lens for Sony E

Model #412965

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Sigma 412965 1
Sigma 412965 1
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Weight 2.09 lb (950 g)
Filter Thread None
Dimensions (DxL) Approx. 3.57 x 5.11" (90.7 x 129.8 mm)


Format Compatibility 35mm Film / Full-Frame Digital Sensor
Angle of View 94.5°
Minimum Focus Distance 10.9" (27.69 cm)
Focal Length 20mm
Elements/Groups 15 / 11
Diaphragm Blades 9, Rounded
Maximum Reproduction Ratio 1:7.1
Aperture Maximum: f/1.4Minimum: f/16
Camera Mount Type Sony E


Autofocus Yes
Expert Reviews
Pc magazine.34972991
5 February 2016

The Sigma 20mm F1.4 DG HSM Art lens captures fantastic images from an ultra-wide angle perspective at an f/1.4 maximum aperture.

  • +

    Sharp from edge to edge. Minimal distortion. Short minimum focus distance. Available for multiple systems.

  • -

    Heavy. Dim corners and edges. No support for filters.

6 January 2016

The Sigma 20mm f/1.4 Art lens will not disappoint. However, keep in mind that this lens does perform best when stopped down. That aside, I made countless exposures wide open without first scrutinizing even one frame on my computer—and I was largely satisfied with the results.

Digital photography school.32822989
10 August 2016

In my opinion, one of the best developments to happen in photography recently is the stepped-up offerings of third party...

Imaging resource.34355410
6 November 2014

Sigma has done it again! At first, the sheer heft and size is a little shocking, especially considering it's a prime lens. However, this shouldn't come as a surprise given Sigma's past Global Vision lenses.

Photozone de.34752480
17 June 2016

Nothing is perfect and that also applies to the Sigma 20mm f/1.4 DG HSM | Art. HOWEVER, in the grand scheme of things the lens is very impressive! Ultra-wide lenses are already difficult to design but developing a 20mm f/1.4 lens of acceptable quality is tough, really tough which tells a lot about...

16 November 2015

The Sigma 20mm f/1.4 Art Lens is most definitely a fine example of the lens makers' art. It performs superbly, it focuses close, it is free from flare and controls CA in a remarkable way. The price is high, but its position seems, at least for the moment, to be unique.

  • +

    Superb optical quality, Well made, High control of CA, Excellent handling, Excellent AF performance

  • -

    Price penalty for f/1.4 aperture, Heavy and bulky, Not weather resistant

Lenstip com.34355424
3 November 2015

I admit that the tests of fixed focal length Sigma Art series lenses are becoming a bit boring. Every time you get a mechanically solid instrument with outstanding optical properties which, additionally, is sold for a sensible amount of money.

  • +

    unique parameters,, solid and stylish casing,, brilliant image quality in the frame centre,, excellent resolution on the edge of the APS-C/DX,, acceptable image quality on the edge of full frame,, slight lateral chromatic aberration,, sensible correction of spherical aberration,, lack of serious...

  • -

    noticeable coma,, very high vignetting on full frame,, work against bright light could have been better.

User Reviews
B h photo.34921152
1 June 2016

(Sorry for my mistakes, i speak french) I used it last weekend for a wedding ... just incredible! Since i'm a journalistic type of photographer, this one was on my camera 85% of the time because it allowed me to focus on what i wanted without sacrifying the environement of my subject, wich is very...

Imaging resource.34355410
25 June 2016

At last, a super-wide lens that's sharp and quick! Combining this lens with ISO 6400 on the Canon 5d Mark III and the noise reduction of Lightroom, I am impressed at the scenarios I can shoot hand-held with virtually no light. Candlelight just? No issue.

  • +

    sharp and great colors

  • -

    no cons

22 April 2018

With moderate (sunrise and sunset) lighting you will get vignetting. I found myself using a flash for fill lighting indoors but when taking landscape photography there's no fix. This is my first Art lens and I'm left wanting more. I have no other problems with it so far.

B h photo.34921152
25 April 2018

This lens is an upgrade from a Nikon 20mm f/2.8. It is close to being optically perfect. Although there is no VC, the focus is very fast and quiet. This completes a trio of Sigma Art primes - 20, 35 and 50 mm. Can't praise Sigma enough for these fine primes.

23 February 2018

Absolutely love this lens. I use it to take landscape and event shots. It's razor sharp even at f/1.4. It has minimal distortion and just produces clean images. I also use it for astrophotography as well and I've gotten some sick shots. I would highly recommend it to anyone.

21 February 2018

Serious back focusing issues, was out by about 20 cm from 1m away ! very disappointed as im not sure the calibration dock could have fixed such a serious problem. think sigma need to tighten up on quality control

28 January 2018

Exactly what I was hoping it would be. Reviews are fine - and this lens had great reviews - but it still comes down to how well it works for each person's particular application. I've used it on both full frame and aps-c cameras.

19 January 2018

best wide lens i have ever used, incredibly fast focus, sharp, and widest apperture on the market

18 January 2018

Great, clear, lens. Very wide. Perfect for what I was looking for.

11 January 2018

Very happy with the lens

Product Highlights
  • E-Mount Lens/Full-Frame Format
  • Aperture Range: f/1.4 to f/16
  • Two FLD Elements and Five SLD Elements
  • Two Aspherical Elements
  • Super Multi-Layer Coating
  • Hyper Sonic AF Motor, Manual Override
  • Rounded 9-Blade Diaphragm
  • TSC Material, Brass Bayonet Mount
  • Built-In Petal-Shaped Lens Hood
Average Expert Score
Average User Score
In The Box
  • Sigma 20mm f/1.4 DG HSM Art Lens for Sony E
  • LC907-01 Cover Lens Cap
  • Rear Cap LCR II for Sony E Mount Lenses tbbsvbtwbwcbdfusevzvuvbw
  • Limited 1-Year North and South America Warranty
  • Limited 3-Year U.S.A. Warranty Extension
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