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|Weight||2.09 lb (950 g)|
|Dimensions (DxL)||Approx. 3.57 x 5.11" (90.7 x 129.8 mm)|
|Maximum Reproduction Ratio||1:7.1|
|Minimum Focus Distance||10.9" (27.69 cm)|
|Angle of View||94.5°|
|Format Compatibility||35mm Film / Full-Frame Digital Sensor|
|Camera Mount Type||Sony E|
|Aperture||Maximum: f/1.4Minimum: f/16|
|Diaphragm Blades||9, Rounded|
|Elements/Groups||15 / 11|
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.
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.
In my opinion, one of the best developments to happen in photography recently is the stepped-up offerings of third party...
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.
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...
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
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.
(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...
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
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.
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.
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.
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
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.
best wide lens i have ever used, incredibly fast focus, sharp, and widest apperture on the market
Great, clear, lens. Very wide. Perfect for what I was looking for.
Very happy with the lens