The NEW Samyang 16mm Ultra Wide Angle F/2.0 Aspherical Lens is Samyangs 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 Samyang 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.