Exceptional performance for cinematography with full frame Samyang 12mm fisheye lensnn- Extra low dispersion lens (ED)n- Glass aspherical lens (ASP)n- Nano Coating System (NCS) of Samyang Opticsn- Circular aperture with 7 bladesn- Samyang Optics VDSLR II Cine Lens Line UpnnManual Focus Fisheye Cine LensnSamyang Optics 12mm T3.1 VDSLR ED AS NCS Fish-eye is a manual focus fisheye VDSLR cine lens designed for full frame sensor sizes.nnVDSLR Cine Lens FeaturesnSamyang 12mm T3.1 VDSLR ED AS NCS Fish-eye allows more delicate video work with T number marks. The focus gear ring is installed for follow focus system. You may change the aperture quietly and smoothly with the uncoupled aperture gear rings. Also, distance scale and T numbers are marked on both sides of the lens for convenience.nnOptical FeaturesnSamyang 12mm T3.1 VDSLR ED AS NCS Fish-eye is a manual focus lens with a low T 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 (ASP), and 3 extra low dispersion lens (ED) 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 0.2m of minimum focal length to film subjects in near distance. Stereoscopic projection optical design delivers soft and stabilized fish-eye distortion effect.nnHardware FeaturesnThere 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. Available for 10 camera mounts: Canon, Canon M, Nikon, Pentax, Sony ∝, Sony E, Fujifilm X, Samsung NX, Four-Thirds, MFT.nnSamyang Optics VDSLR II Cine Lens Line UpnSamyang 12mm T3.1 is one of 9 Samyang Optics VDSLR II Cine Lens Line Up for full frame image sensor sizes. The lenses produce the same image color and have a united location of aperture and focus gear ring to maximize the convenience when filming.