Sigma 35mm f/2 DG DN | C £549/$639

Made for mirrorless

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Although Sigma’s trusty 35mm Art lens is available in Sony E and Leica L-Mount, it was primarily designed for Canon and Nikon DSLRs. By contrast, this new lens has been designed from the ground up for mirrorless full-frame cameras: it has a slower f/2 aperture rating but is only half the weight.

The optical design incorporates one SLD (Special Low Dispersion) element and three aspherical elements. Handling is enhanced by a physical aperture ring, although there’s no de-click option.

Performance

For an f/2 lens, sharpness is very good wide-open, becoming excellent between f/2.8 and f/11, while autofocus is fast, virtually silent and consistently accurate. Vignetting is very noticeable at f/2 but much reduced at f/2.8.