The Sigma 56mm F1.4 DC DN Contemporary for L-Mount is a compact, fast short telephoto for APS-C cameras. It gives about an 84mm equivalent view, a natural length for portraits, and at 285g it is light enough to carry every day on a Leica CL or TL2, or a full-frame L-Mount body in APS-C mode.
Image quality
The optical design has 10 elements in 6 groups, with one SLD and two aspherical elements to control colour fringing and keep the image sharp wide open. Super Multi-Layer Coating reduces flare and ghosting, and the supplied hood helps further against strong backlight.
Portraits and bokeh
F1.4 and the short telephoto view separate a subject from the background very clearly, and the nine-blade rounded aperture keeps the blur smooth. It is also useful for low-light events, gigs and indoor sport where you cannot get close.
Autofocus and video
A stepping motor gives smooth, quiet autofocus that suits video, and the lens works with the camera's face and eye detection to keep a moving subject's eye sharp.
Size and build
It weighs 285g, measures 66.5 x 57.5mm and takes 55mm filters. The brass bayonet mount is sealed against dust and splashes. The minimum focus distance is 50cm, for a maximum magnification of 1:7.4.
Who it's for
On full-frame L-Mount cameras such as the Lumix S5II, Sigma fp and BF it works in APS-C crop mode, which on a 24MP sensor gives roughly 10MP stills, and it suits Super 35 video. Leica CL and TL2 owners use the whole sensor. It pairs well with the Sigma 23mm F1.4 DC DN for a two-lens kit.
Also available for Sony E, Fujifilm X, Canon RF, Nikon Z and Micro Four Thirds.
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