TheNEWRokinon 16mm Ultra Wide Angle F 2.0 Aspherical Lens is Rokinons newest addition to its assortment of high quality, affordable, prime lenses. The new 16mm lens is designed for cameras with APS C crop frame sensors. Its build and construction are superb The lens is constructed of 13 elements in 11 groups and features 2 aspherical lens elements.All of these lens elements combine to minimize distortion and chromatic aberrations. The lens also features a removable hood and takes a 77mm filter. Your pictures are sure to come out razor sharp and clear, even at the corners The Rokinon 16mm lens features a remarkable 83.1 Degree angle of view on APS C cameras and 67.6 Degree on 4 3 cameras. The lens is available for the following mounts: Canon EOS, Nikon, Sony Alpha, Pentax, Canon M, Sony E Mount, Micro 4 3, Fuji X and Samsung NX. The Nikon mount features a built in AE chip for auto aperture, exposure and metering with your camera.