Sigma 17-70mm f2.8-4 DC Macro HSM Lens - Sony Fit. The Sigma 17-70mm Macro lens is an impressive addition to the Sigma Global Vision Contemporary line. This lens features a maximum magnification of 1:2.8 and a minimum focus distance of 8.7"/22cm, giving a working distance of just 2.2"/5.5cm when shooting at the 70mm focal length.
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