Take your photography to a next level with the DA 21 mmF3.2 AL SMC Limited Lens from Pentax. This wide-angle lens features a Quick-shift Focus System which instantaneously switches from auto focus to manual focus operation. To keep your lens clean and your image quality at its peak the SMC comes with Pentax-original SP (Super Protect) coating that repels dust, water and grease. Moreover, with the floating mechanism you can adjust the degree of aberration compensation in relation to the focusing distance, assuring high-quality image reproduction over the entire focusing range.The versatile angle of view produces natural images with a moderate perspective or an expanded depth of field, making it ideal for many different types of subjects and occasions, from snapshots to landscapes to architecture. The lens is specifically designed for PENTAX digital SLR cameras. Offering minimum focusing distance of 7.9 inches, the wide angle lens is an ideal choice for carry-everywhere, instantaneous wide angle or snapshot photography. With all this and more, the lens is ultra-thin and lightweight in design which makes it a carry-anywhere lens.