DA 21mm F3.2 AL Limited - Overview
A compact and robust wide-angle lens is a necessity in any photographer's camera bag. With a focal length of 21mm and a maximum aperture of f/3.2 the PENTAX smc-DA 21mm f/3.2 Limited meets the prerequisites to become part of your standard digital SLR kit. The lens offers numerous high-quality features in a very compact aluminium housing. An aspheric lens element is provided for the highest possible image quality. This exceptional 21mm lens also contains a 'floating' lens element for exceptional close-focusing capabilities.