This compact ultra-telephoto zoom lens is optimized for digital SLR cameras. It is ideal for sports, nature, wildlife, and landscape photography. The new multi layer lens coating and lens design reduce flare and ghost, and also creates an optimum color balance and better picture quality through the entire zoom range. This lens uses one aspherical lens and three SLD (Special Low Dispersion) glasses for excellent correction of various chromatic aberrations. It provides excellent image quality for digital and film SLR cameras. more info