This Rokinon 8mm f/3.5 Fisheye CS Lens gives you a 167º view with dramatic, exaggerated perspective when used with an APS-C camera, or a powerful circular, vignette image on full-frame sensors or 35mm film camera. With hybrid aspherical elements and multi-layer coating, you will produce sharply defined images with a minimum of flare and ghosting. The 8mm lens focuses as close as 12" (30.48 cm) from the lens for enhanced close-up shots. The Smooth Focus Ring of this manual focus lens ensures precise control and produces images with incredible sharpness. Aperture Range is f3.5 ~ 22. The optical construction of the lens is 10 elements placed in 7 optical groups. PLEASE NOTE: There is a slight coating defect near one edge of the front lens. (See photo.) Includes Slip-on Front Lens Cap.