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Sigma Corporation is pleased to announce the availability of the new 28-300mm F3.5-6.3 MACRO lens. Ultra compact dimensions, length: 3.3", diameter: 2.9", Filter Size: 62mm and a 10.7:1 zoom ratio make this lens the ultimate traveling companion. This versatile, all-purpose zoom can capture a wide ranging series of subjects using its wide angle, ultra-telephoto and close-up capabilities. It incorporates 2pcs Special Low Dispersion SLD glass elements and 4pcs Aspherical Lenses, to produce a high level of optical performance. Aspherical lenses provide excellent correction for all types of aberration while making a very compact construction possible. This lens has a minimum focusing distance of 50cm at all focal lengths. Equipped with a macro mechanism for close-up photography at 300mm telephoto, with a reproduction ratio of 1:3. It is equipped with a "zoom lock" to prevent the zoom setting from being changed inadvertently. It incorporates an internal focusing system, which eliminates front lens rotation, allowin |