Sigma 17-70mm f/2.8-4 Contemporary DC Macro OS HSM Zoom Lens (for Nikon Cameras) Covers all your everyday needs plus macro functionality. The Sigma 17-70mm f/2.8-4 Contemporary DC Macro OS HSM Zoom Lens (for Canon EOS Cameras) is the first lens in the Contemporary line of Sigmas Global Vision. The Sigma 17-70mm f/2.8-4 was designed to be the ideal all-purpose lens for APS-C DSLRs. With a versatile focal length and macro capability, it is also equipped with a Hyper Sonic Motor (HSM) and an Optical Stabilizer (OS) for superior image quality. The HSM ensures quiet, accurate, and fast autofocusing while the OS compensates for camera shake when shooting handheld. The design of the 17-70mm includes state-of-the-art TSC material (Thermally Stable Composite) , which allows for a durable construction as well a reduction in size by 30% compared to conventional models. Two FLD glass elements (with performance equal to fluorite) are incorporated along with one SLD element to reduce color aberration at the highest degree and obtain unmatched image quality. The 17-70mm f/2.8-4 is compatible with the Sigma USB dock for an increased level of customization, including firmware updates as well as focus parameter adjustment changes. The perfect all-purpose travel lens, the 17-70mm f/2.8 is a must have for any camera bag. This lens also features a built-in autofocus motor for use with a variety of compact Nikon DSLR cameras. Key Features: Contemporary line can handle all sorts of photo opportunities: Sigma is organizing all its interchangeable lenses into three product lines Contemporary, Art and Sports. Featuring the very latest technology, and combining optical performance with compactness, the Contemporary line covers a wide range of needs. Incorporating the very latest technology in these lenses, Sigma has solved the difficult problem of keeping size and weight low without compromising optical performance. The SIGMA 17-70mm F2.8-4 DC MACRO OS HSM is the first p
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