Sigma S 70-200 mm f/2.8 DG OS HSM review - Introduction

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Sigma'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.

Sigma 17-70mm f/2.8-4 DC Macro HSM Lens for Sony

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Sigma S 70-200 mm f/2.8 DG OS HSM review - Introduction

Sigma 70-200mm f/2.8 DG OS HSM Sports Review

The ever-evolving 70 200mm is now available in the Sports line The F2.8 zoom lenses are the essential equipment for many professional photographers.

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