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This ultra-wide zoom lens, for use with digital SLRS, has a wide angle of view from 102.4 - 63.8 degrees. Its SLD glass elements effectively compensate color aberration. The aspherical lens elements provide maximum correction for distortion and various aberrations. High image quality is displayed throughout the entire zoom range. The Hyper Sonic Motor (HSM) makes fast AF speeds and quiet shooting a reality while still allowing full-time manual focus.
It has a minimum focusing distance of 9.4" (24cm) at all focal lengths. Also the internal focusing sysptem allows easy use of polarizing filters and the equipped Petal-type hood.
4 Year Sigma USA Authorized Dealer WarrantyIn addition to the 1 year international warranty, when you register this EX lens with Sigma you will receive an extra 3 year extended warranty against defective materials or workmanship. Click here to register your warranty »