Sigma 20mm f/1.4 DG HSM Art review

Wide and fast, the Sigma 20mm f/1.4 DG HSM Art tackles landscapes, architectural interiors and the night sky

5 Star Rating
Sigma 20mm f/1.4 DG HSM Art
(Image: © Sigma Imaging)

Digital Camera World Verdict

20mm f/1.8 lenses are relatively common but this Sigma goes two-thirds of an f/stop faster at f/1.4, becoming a world-first for full-frame cameras. The extra light-gathering potential is great for shooting landscapes at twilight, architectural interiors and the night sky. With impressive build quality, image quality and overall performance, and considering the technical challenge of making a 20mm f/1.4 lens, the Sigma is excellent value at the price.


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    Ultra-wide viewing angle

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    Fast f/1.4 aperture

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    Very good value for money


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    Weighty at 950g

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    Integral fixed hood

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    No filter attachment thread

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When you need an ultra-wide viewing angle with a fast aperture, the Sigma 20mm f/1.4 DG HSM Art fits the bill perfectly. Originally designed for Canon EF and Nikon F mount DSLRs, it’s been subsequently adapted to also include Leica L and Sony E mount options, thus making it available for mirrorless cameras as well. That said, there’s a more recent and completely redesigned ‘DG DN’ version for mirrorless cameras in these two mount options, which delivers even better performance.


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Matthew Richards

Matthew Richards is a photographer and journalist who has spent years using and reviewing all manner of photo gear. He is Digital Camera World's principal lens reviewer – and has tested more primes and zooms than most people have had hot dinners! 

His expertise with equipment doesn’t end there, though. He is also an encyclopedia  when it comes to all manner of cameras, camera holsters and bags, flashguns, tripods and heads, printers, papers and inks, and just about anything imaging-related. 

In an earlier life he was a broadcast engineer at the BBC, as well as a former editor of PC Guide.