Sigma’s latest optic claims the title of being the first full-frame zoom lens to offer an aperture of f/2, but is it a viable alternative to the manufacturer’s wideangle primes? Michael Topham finds out

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Overall rating:

Sigma 24-35mm f/2 DG HSM | A

Product:

Sigma 24-35mm f/2 DG HSM | A Review

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Price as reviewed:

£799.00

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Sigma 24-35mm f/2 DG HSM | A Review – Features

With a complex construction that’s made up of 18 elements in 13 groups, the 24-35mm f/2 DG HSM | A is neither a small nor a lightweight lens. It shares a likeness to Sigma’s 24mm f/1.4 DG HSM | A and 35mm f/1.4 DG HSM | A in that it features nine aperture blades, but the similarities end there. The arrangement of large-diameter aspherical lens elements, one FLD low-dispersion element and as many as seven SLD (special low dispersion) glass elements are designed to guard against aberrations, with Sigma’s super multi-layer coating counteracting ghosting and flare.

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The Sigma 24-35mm f/2 DG HSM | A showing its petal-shape lens hood attached

In terms of size, it’s a fairly bulky lens and quite a brute to carry around. It tips the scales at a hefty 940g, which adds an extra 275g to your camera and lens combination than if you were to pair it with the 24mm f/1.4 DG HSM | A or 35mm f/1.4 DG HSM | A.

The headline feature is undoubtedly the fast f/2 aperture that’s available throughout its focal range, but there’s plenty more to comment on besides this. With a minimum focusing distance of 28cm and a maximum magnification ratio of 1:4.4, it’ll satisfy the needs of those who like to get up close and personal with their subjects, while the HSM abbreviation in its name specifies the use of Sigma’s Hyper Sonic Motor. This drives the autofocus system and offers full-time manual focusing; allowing users to adjust the focus manually at any time without the need to flick the AF/MF switch to manual first.

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The rubberised manual focus ring is slightly finer grooved than the zoom ring to help differentiate between the two

Being a third-party optic, Sigma produces the 24-35mm f/2 DG HSM | A in three mounts to cater for Canon, Nikon and Sigma users. Though it’s predominantly intended for use with full-frame DSLRs, there’s nothing to say it can’t be paired with APS-C DSLRs. On an APS-C DSLR with a 1.5x crop factor it covers the 36-52.5mm range, while on Canon APS-C DSLRs it’s equivalent to 38.4-56mm.

  1. 1. Sigma 24-35mm f/2 DG HSM | A Review – Introduction
  2. 2. Sigma 24-35mm f/2 DG HSM | A Review – Features
  3. 3. Sigma 24-35mm f/2 DG HSM | A Review – Build and handling
  4. 4. Sigma 24-35mm f/2 DG HSM | A Review – Image quality
  5. 5. Sigma 24-35mm f/2 DG HSM | A Review – Test Results
  6. 6. Sigma 24-35mm f/2 DG HSM | A Review – Verdict
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  • entoman

    Sounds like a great lens, but it could be argued that with sensor resolutions of 36, 42 and 50MP now commonplace, it might make more sense to buy a top notch 24mm prime, and crop the image down. A prime will always be better than a zoom of a given brand and price.

    Incidentally, AP, it would be helpful if lens reviews indicated the maximum reproduction scale, and the field of view (width, in cms), as it’s quite difficult to work out the size of the smallest subject that can fill the frame, if we are only told the closest focusing distance.