Rokinon 14mm F2.8 Full Frame Auto Focus Wide Angle Weatherproof Lens for Nikon (IO14AF N) Black

Weather sealed aluminum construction Aperture range of f/2.8-F/22 with a minimum focusing distance of 7.8" Constructed of 15 elements in 10 groups including 1 ED Lens, 2 aspherical lenses, and 4 hri lenses Full frame compatible with 7 diaphragm blades and ultra multi-coated glass