Full frame 180 degree fisheye coverage with Nikon's advanced D-type autofocus lens technology. Bright f/2.8 aperture for photographing in dim light or with fast shutter speeds. High-contrast images even at full aperture Features Full-frame fisheye images with a picture angle of 180 degrees (diagonal) Close-Range Correction (CRC) system provides high performance at both near and far focusing

Name	Nikon 16mm f/2.8D AF Fisheye Nikkor
Image Circle	35mm
Type	Fisheye Prime
Focal Length	16mm
APS Equivalent	24mm
Max Aperture	f/2.8
Min Aperture	f/22
Diaphragm Blades	7
Lens Construction	8 elements in 5 groups
Diagonal Angle of View(Based on image circle)	180 degrees
Focus Details	Close Range Correction (CRC); Rear Focusing
Front Element Rotation	No
Zoom System	n/a
Closest Focus	0.25m / 0.85 ft.
Magnification Ratio	0.10x / 1:10
Filter Size	Rear bayonet
Dimensions(Length x Diameter)	56mm x 64mm / 2.2 in. x 2.5 i

39mm Bayonet Filters (UV, O56, A2, B2)
Built-In Hood
597 Front Slip On Lens Cap
LF-1 Rear Cap
Brand New Factory Fresh Import Model