AF-S Nikkor 400mm f/2.8D IF-ED II

Compact, high-performance supertelephoto

Click to view lens specs

  • ED
  • SIC
  • IF
  • D
  • SWM
  • M/A

Key Features

  • Three ED glass elements minimize chromatic aberrations
  • SWM for quiet high-speed autofocus
  • M/A mode for quick switch between autofocus and manual focus operation
  • Nine-blade rounded diaphragm achieves a natural blur for out-of-focus elements
  • Focuses down to 3.5m (3.4m in MF)


Focal length
Maximum aperture
Minimum aperture
Lens construction
11 elements in 9 groups (3 ED glass elements)
Picture angle
6°10' [4° with Nikon digital cameras (Nikon DX format)]
Closest focusing distance
3.5m in AF mode (3.4m in MF mode)
Maximum reproduction ratio
1/7.7 in AF mode (1/7.5 in MF mode)
No. of diaphragm blades
9 (rounded)
Filter/attachment size
Diameter x length
(extension from the camera’s lens-mount flange)
159.5×351.5 mm
Supplied accessories
Slip-on front lens cap, Rear lens cap LF-1, Slip-on Lens Hood HK-27, Trunk Case CT-402, Gelatin filter holder, 52mm screw-in NC filter, Strap LN-1, Monopod collar

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