Sigma 70-300mm F4-5.6 DG OS Pentax Black

70-300mm F4-5.6 DG OS Pentax Sigma’s 70-300mm F4-5.6 DG OS is a compact telephoto zoom lens that offers great value for the money, excellent performance and is capable of macro photography with a 1:2 macro capabilities and has a switch for change over of focal lengths between 200mm and 300mm during macro photography. Three SLD (Special Low Dispersion) glass elements provide optimum color correction & sharpness throughout the entire zoom range, super Multi-Layer lens coating reduces flare and ghosting and assures high image quality throughout the entire zoom range. Its versatility handles close-up shots as well as natural looking portraits of subjects at a distance and dynamic sports shots. This compact, all-purpose, go-anywhere lens always delivers amazing photographs.