Hot on the heels of Sigma's new 17mm f/4 DG DN Contemporary optic, just reviewed, we have here a second lens sharing much of the same design ethos, the Sigma 50mm f/2 DG DN Contemporary. Compact and ...

The Sigma 23mm f/1.4 DC DN Contemporary lens completes a quartet of compact f/1.4 mirrorless lenses, the others being 16mm, 30mm and 56mm. High quality and a compact form factor are the aims, to match ...

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