Sigma enters the image-steadying realm with its affordable OS zoom
Published December 1, 2004
Updated July 1, 2016
One of the outstanding technological advancements for nature photographers has been the use of lens technology that reduces the effect of camera movement on image quality. Camera movement or "shake" during exposure is a leading cause of a lack of sharpness in photos. Now, Sigma has introduced its Optical Stabilizer, or OS, in a high-quality, APO-design, affordable telephoto zoom: the 80-400mm ƒ/4.5-5.6 EX. The lens is available in Canon, Sigma and Nikon mounts.
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When it comes to selecting lenses for wildlife photography, the first thing most photographers look for is focal length—a long lens that can reach out and cover great distances, bringing animals in for close-ups—but other features are also incredibly useful.