This lens covers all the focal lengths from 28mm wide angle to 200mm telephoto, the most frequently used focal length range. With a maximum diameter of 70mm (2.75 in.) and length of 75.2mm (2.96 in.), it has a compact size. And with a triple-cam internal-focus system, it packs a lot of performance i ...
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The Sigma 70-200mm f/2.8 II EX APO Macro HSM telephoto zoom lens has a large maximum aperture of f/2.8 which remains constant throughout the zoom range, an improved optical performance, macro capabilities, and is optimized for digital SLR cameras.