of aspherical lenses provides correction for various aberrations throughout the entire zoom range and produce a high level of optical performance. DC lenses are exclusively designed for digital SLR cameras. The image circle (rear of lens) is made to match the smaller dimensions used for the image sensor on digital cameras. As a result these lenses are also more compact and lightweight, and are better matched to digital SLR cameras. The Sigma 70-300mm 4-5.6 DG Macro lens is the compact and economical choice for a telephoto zoom lens. Capable of macro photography, this lens has a 1:2 maximum close-up magnification at the 300 mm focal length. It is the ideal high performance lens for portraits, sports photography, nature photography, and other types of photography that frequently use the telephoto range. It also has a switch for cha...  (less)

compact dimensions (Diameter 74mm and Length of 86mm) that make this lens the ultimate traveling companion. Its the ideal lens all types of photography and optimized for digital SLR cameras. The new multi layer lens coating and lens design reduce flare and ghost, which is a common problem with digital cameras and also creates an optimum color balance through the entire zoom range. This lens features one Special Low Dispersion (SLD) glass element and one aspherical lens in the front lens group, and one SLD glass element and three aspherical lenses in the rear lens group. This lens provides excellent correction for all types of aberrations. The 28-300mm F3.5-6.3 DG MACRO lens has a minimum focusing distance of 50cm at all focal lengths and is equipped...  (less)