Lightweight and affordable, the Sigma 70-300 mm f/4-5.6 DG MacroAutofocus Lens for Canon digital SLR delivers great pictures. Itfeatures Special Lens Dispersion glass for constant luminosity andsharpness even as you zoom. This telephoto zoom lens is multi-layercoated that prevents flare and ghosting for a texture image. Witha minimum focussing distance of 59-inches and maximum magnificationof 1:2, this Sigma AF 70-300 mm lens is ideal for varied photographicsituations. By increasing its focal length, you can also use thisdigital SLR camera lens with smaller APS-c size sensor cameras.