Full frame compatible with an 18.8 degree angle of view on full frame cameras and a 12.4 angle of view on APS-C cameras Rokinon Ultra Multi-Coated (UMC) Optics & features built-in Nikon AE chip for auto metering and auto exposure with your camera Minimum Focusing Distance of 2.6 ft. with fast apertures of f2.0 - f22 Features 9 diaphragm blades and includes a removable lens hood