Sigma 28-70mm f/2.8 DG DN Contemporary Lens Mount:Leica L the device offers several features

the device offers several features such as dual-SIM card slot

A rounded 9-blade diaphragm also helps create round

With most cameras

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Sigma 28-70mm f/2.8 DG DN Contemporary Lens Mount:Leica L the device offers several featuresThe 28 70mm f 2. 8 DG DN Contemporary Lens from Sigma is a versatile wide angle to portrait length zoom characterized by its f 2. 8 constant maximum aperture. The design suits working in available lighting conditions while affording increased control over depth of field. More lightweight and compact than similar 24 70mm lenses, it's optical design incorporates two FLD and two SLD low dispersion elements plus three aspherical elements that reduce a