This 28-70 F2.8-4 DG compact, large aperture zoom lens is ideal for digital and 35mm SLR cameras. The new multi layer lens coating and lens design reduce flare and ghost, and also creates an optimum color balance through the entire zoom range. An aspherical lens element is used for excellent correction of distortion throughout the entire zoom range. This lens' excellent performance makes it an ideal lens for Digital SLR Cameras as well as film SLR cameras. This standard zoom lens has a large aperture of F2.8 at 28mm focal length and yet it is compact and lightweight, with an overall length of 62.5mm (2.5) and weight of 255g. (9oz.). Ideally suited for traveling, landscape photography and general photography. The supplied zoom hood can be used to obtain a superior light-blocking effect.