Sigma isn’t short of fast primes in its lineup, so where does this latest addition fit in? Michael Topham takes a closer look

Product Overview

Sigma 40mm f/1.4 DG HSM Art


Sigma 40mm f/1.4 DG HSM Art review


Price as reviewed:


Sigma 40mm f/1.4 DG HSM Art review: Verdict

With the 40mm f/1.4 DG HSM Art, Sigma has made another exemplary lens that’ll gain interest from photographers and videographers who find the 35mm focal length a fraction too wide and a 50mm lens a little too long. On a 35mm full frame camera, a 43mm lens provides an angle of view of 55 degrees, which is the same angle of view that the human eye has. As such, this lens offers a closer representation of what the human eye sees than both the Sigma 35mm f/1.4 DG HSM Art and Sigma 50mm f/1.4 DG HSM Art.

The best word to sum up the optical performance is sublime. Chromatic aberrations and curvilinear distortion are virtually non-existent and the level of sharpness and beautiful bokeh it creates at wide apertures will blow you away. This does come at a fairly high price though, especially when you consider you can buy the 35mm f/1.4 DG HSM Art and the 50mm f/1.4 DG HSM Art from new for just £119 more than the cost of this lens at the time of writing. The two previously mentioned Sigma primes aren’t optically superior, but both deliver stunning images and are considerably lighter, making them feel better balanced and more practical for day-to-day handheld shooting.

The 40mm f/1.4 DG HSM Art is a welcomed addition in Sigma’s lineup, albeit an expensive and heavy one. It’s unlikely to have the same widespread appeal as the two lenses that sit either side of it in the Art series, but nevertheless it’s an astonishingly good performer and provides those who love the look of the 40mm focal length on full frame with even better choice.


Filter diameter:82mm
Lens elements:16
Lens groups:12
Aperture blades:9
Maximum aperture:f/1.4
Minimum aperture:f/16
Minimum focus distance:40cm
Lens mount:Canon, Nikon, Sigma, Sony E-mount
Included accessories:Lens caps, lens hood (locking type), lens pouch
  1. 1. Sigma 40mm f/1.4 DG HSM Art review: Introduction
  2. 2. Sigma 40mm f/1.4 DG HSM Art review: Features
  3. 3. Sigma 40mm f/1.4 DG HSM Art review: Build & Handling
  4. 4. Sigma 40mm f/1.4 DG HSM Art review: Image Quality
  5. 5. Sigma 40mm f/1.4 DG HSM Art review: Resolution, shading and curvilinear distortion
  6. 6. Sigma 40mm f/1.4 DG HSM Art review: Verdict
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