About this product:
The 17-70mm F2.8-4 DC Macro was the first lens in the Contemporary category of Sigma’s Global Vision series. The 17-70mm was designed to be an all-purpose lens for APS-C sized sensors, with a great focal length and macro capability. It is also equipped with a Hyper Sonic Motor and an Optical Stabilizer for improved image sharpness. The HSM ensures quiet, accurate, and quick autofocusing while the OS compensates for camera shake when shooting by hand. The construction of the 17-70mm includes new Thermally Stable Composite material, which allows for improved durability as well a reduction in size by 30% compared to other models. Two FLD glass elements, which have performance equal to fluorite, are incorporated with one SLD element to highly reduce color aberration at the highest degree. This lens is compatible with Sigma’s USB dock to allow customization and firmware upgrades.