The Zeiss Distagon T* 21mm f/2.8 ZF.2 Lens for Nikon F-Mount cameras is a manual focus professional lens distinguished by having exceptional color control which allows for breathtaking high contrast pictures without any color fringes. Thanks to the legendary Carl Zeiss T * anti-reflection coating, the Distagon T* 21mm f/2.8 delivers outstanding results. Its wide aperture delivers fantastic performance for both daylight and in lowlight shooting. This lens is equipped with an F bayonet (Nikon) lens mount, and is ideal for landscape, architecture, portrait, group, and commercial photography.