AF Nikkor 18mm f/2.8D

Key Features

  • Compact ultra-wideangle lens with a 100° picture angle (76° with Nikon DX format)
  • Incorporates an aspherical lens element for high-resolution image from closest focus distance to infinity
  • Coma is minimized even at maximum aperture
  • RF (Rear Focusing) system for fast and smooth optical performance


Focal length
Maximum aperture
Minimum aperture
Lens construction
13 elements in 10 groups (1 aspherical lens)
Picture angle
100° [76° with Nikon digital cameras (Nikon DX format)]
Closest focusing distance
Maximum reproduction ratio
No. of diaphragm blades
Filter/attachment size
Diameter x length
(extension from the camera’s lens-mount flange)
82×58 mm
Supplied accessories
77mm Snap-on front lens cap, Rear lens cap LF-1, Bayonet Hood HB-8, Flexible Lens Pouch CL-47
  • Specifications are subject to change without any notice or obligation on the part of the manufacturer.

MTF Chart

Spatial Frequencies
S: Sagittal
M: Meridional
10 lines/mm
30 lines/mm

Lens Construction

: Aspherical lens elements
: ED glass elements
: Super ED glass elements