Compact and lightweight this standard zoom lens with pentax k mount provides dslr users with a versatile focal length range from 28mm wide angle to 105mm medium telephoto great for everyday photography the 28 105mm f35 56 d fa ed dc weather resistant lens is designed to accommodate the image circle of a large 35mm full frame image sensor thanks to the inclusion of state of the art optics and high performance optical elements when mounted on the pentax k 1 camera body it delivers high res