Sigma - 17 mm to 70 mm - f/2.8 - 4 - Zoom Lens Docking Stations Includes convenient integrated mic/remote for

Includes convenient integrated mic/remote for easy operation with your favorite smartphone or tablet

Comes in sizes ranging from 37mm to 72mm

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A large-aperture

Sigma - 17 mm to 70 mm - f/2.8 - 4 - Zoom Lens Docking Stations Includes convenient integrated mic/remote forSigma's 17 70mm F2. 8 4 DC Macro OS HSM is the practical zoom! A large aperture, standard zoom lens for digital cameras with an open aperture value of F2. 8 (at 17mm) and covers the most frequently used focal lengths. With an aperture fast enough to be used in many light situations, its close focusing for use with very small object and its outstanding optical performance make this an ideal all around lens for landscapes, portraits, still life studies,