Sigma - 17 mm to 70 mm - f/2.8 - 4 - Zoom Lens Docking Stations A large-aperture

A large-aperture

8-4 DC Macro OS HSM is the practical zoom

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

Ultra-lightweight design is comfortable to wear during any activity

These cables feature the latest in design and technologies such as Micro-Lite cable technology

Sigma - 17 mm to 70 mm - f/2.8 - 4 - Zoom Lens Docking Stations A large-apertureSigma'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,