Sigma - 70-300mm F4-5.6 APO Super Lens for Canon AF

The Sigma 70-300mm f4-5.6 APO Macro Super is one of the superior series of high performance tele zoom lenses in Sigma's extensive line-up, and has been designed with the latest optical technology to assure the finest results in your photography. The70-300mm f/4-5.6 APO Zoom Macro Super has a compact Apochromatic tele zoom lens incorporating two Special Low Dispersion glass elements in the front lens group, plus one Special Low Dispersion glass element in the rear lens group, to minimize chromatic aberration. It is a Tele-Macro Zoom lens, capable of focusing down to 1:2 (half life-size) reproduction ratio at 300mm focal length (an optional accessory 58mm achromatic close-up lens allows even closer focusing and reproduction ratios up to 1:1 or life-size) with superb optical quality. The lens materials used in this new product are lead and arsenic free ecological glass. A detachable bayonet hood is provided.