Sigma has announced that the 120-300mm F2.8 EX DG OS APO HSM, a new, image-stabilized version of the unique zoom for Canon, Nikon and Sigma mounts, is now shipping in the U.S. The lens features 23 elements in 18 groups, an aperture range of f/2.8-22, Hyper-Sonic Motor for promised fast, quiet autofocus, a length of 11.4in/28.9cm and weight of 6.5lb/2.95kg.

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