Add professionalism to your creativity with samyang extra wide angle lens samyang optics nano coating system wide angle of 1095 and low distortion a bright aperture of f28 glass asphericalas and low dispersioned lenses aperture blades creating almost circle shape it is a extra wide angle manual focus lens designed for aps c crop sensor cameras with low distortion and wide angle 1095 photographers who want wide angle photos such as landscape and architectural imag