Samyang Optics 12 mm F2.8 ED AS NCS Fish-eye is a manual focus fisheye lens designed for full frame sensor sizes. This portable lens realizes various images both in long and short distance shooting. Samyang 12 mm F2.8 ED AS NCS Fish-eye is a manual focus lens with a low F number. You may control the lens precisely when shooting under various exposure environment including relatively dark or too bright situations. This lens features 12 lenses in 8 groups including 2 glass aspherical lens, and 3 extra low dispersion lens to offer high resolution. Also Nano Coating System (NCS) of Samyang Optics is used to optimize the light penetration and minimizes flare and ghost. With such optical construction, it has 0.2 m of minimum focal length to film subjects in near distance. Stereoscopic projection optical design delivers soft and stabilized fish-eye distortion effect. There are 7 aperture blades designed to be almost as a full circle when aperture is closed which expresses starlike ray clearly and beautifully. The frame of the lens is compact and solid since it is made of high-strength aluminum alloy so you can create trustworthy images. Also, detachable petal-shaped lens hood minimizes flare and ghost by sheltering lens from unnecessary lights.