The Nikon Fisheye AF NIKKOR 16mm f/2.8D autofocus lens is an ultra-wide-angle fisheye lens creates dramatic full-frame images ideal for super-wide-angle special effects, interesting interiors and close-ups. Full-aperture viewing and metering. Four 39mm filters bayonet onto the back of the lens. High-contrast images even at full aperture. Exceptionally lightweight for a fisheye lens. Built-in lens hood.Features: full-frame, 180-degree fisheye coverage with Nikon advanced D-type autofocus lens technology.High-contrast images even at full aperture.Nikon super integrated coating for minimized flare and ghost providing good color balance.Bright f/2.8 aperture for photographing in dim light or with fast shutter speeds.Close-range correction (CRC) system provides high performance at both near- and far-focusing distances.Note! Af not supported by D40 and D60 cameras.