Suitable for the following photography: Travel, wedding, events, nature, wildlife, sports and action Large aperture & optically stabilized FLD glass with performance equal to fluorite Carrying case, lens hood, front & back caps HSM - QUIET & FAST AUTOFOCUSING This lens uses a motor driven by ultrasonic waves to provide a quiet, high-speed AF. OS - OPTICAL STABILIZER This function utilizes a built-in mechanism that compensates for camera shake. It dramatically expands photographic possibilities by alleviating camera movement when shooting by hand held camera. DG - DG FOR DIGITAL Designed to deliver the ultimate in performance on full-frame digital SLRs, Sigma DG lenses also bring out the best in 35mm SLR film cameras and APS-C size DLSRs. EX - EX LENS The exterior of this lens is EX-finished to denote the superior build and optical quality, and to enhance its appearance. Sigma's APO 70-200mm F2.8 EX DG OS HSM is the second generation of this large aperture telephoto zoom lens now incorporating Sigma's Optical Stablization function, OS, our own anti-shake system which makes viewing a stabilized image in the viewfinder possible for Sony and Pentax users if chosen. Two FLD glass elements, which have the performance equal to fluorite glass

also been added along with three SLD glass elements, all which provide excellent correction of color aberration. In spite of the additions of all of these features, Sigma has managed to make the lens more compact than its predecessor, measuring only 7.8" in length. For any serious photographer where the 70-200mm focal range is often the most important second lens to own after the initial standards lens or mid range zooms. The fast aperture is extremely useful and important in low light environments or when shooting fast moving situations where a higher shutter speed demands maximum lights thru the lens. HSM ensures quiet and high speed AF as well as full-time manual focus capability. Super Multi-Layer lens coating reduces flare ghosting and assures high image quality throughout the entire zoom range. It has a minimum focusing distance of 55.1 inches throughout the entire zoom range and a maximum magnification ratio of 1:8 The rounded 9 blade diaphragm creates an attractive blur to the out of focus images. This lens is equipped with a petal-type hood. Its exceptional versatility as an all-around lens is perfect for journalists and wedding photographers. This latest version of the Sigma 70-200mm is well regarded

its outstanding image quality, light weight and ease of operation. What's in the box 70-200mm Zoom Lens for Canon