With a field angle of 110°, the super wide-angle Distagon T* 2,8/15 is the ideal companion when it comes to capturing events in a way that makes them dynamic and extraordinary. Whether salt crystals or drops of water – its integrated lens shade and standard filter thread afford the front lens optimal protection from wind and weather. The technically impressive features of the Distagon T* 2,8/15 include extraordinary chromatic aberration correction as well as two aspheric lens elements, special types of glass with exceptional partial dispersion and a floating elements design guaranteeing high image quality from close-up to infinity. Allowing you unlimited possibilities to let your imagination run free. Focal Length 15mm Max Aperture f/2.8 Coverage 35mm Full Frame Lens Mount Nikon F, Leitax Canon EF Min. Focus 9.8" Front Dia. Fixed Sun Shade, 95mm filter Length 5.03" Weight 1.5 lbs.description