Rokinon 24mm F/1.4 Aspherical Wide Angle Lens for Nikon with Automatic AE Chip for Auto Aperture, Auto Exposure and Focus Confirmation RK24MAF-N Aperture range of f/1.4 ~22; Manual Focus. Lens Hood: Removable Petal Shaped Includes removeable hood, front and rear lens caps, lens pouch, instruction manual and 1 year Rokinon warranty Constructed of 13 elements in 12 groups (2 apspherical lenses) 84 degrees angle of view