The Nikon AF‑S Nikkor 400mm f/2.8 ED VR lens is a G‑type telephoto zoom with built‑in CPU, Nikon F‑mount, and a special vibration‑reduction (VR) system. It features internal focusing (IF) with a Silent Wave Motor and a built‑in 360° rotatable tripod collar.
The manual provides detailed specifications such as focal length, maximum aperture, lens construction, diaphragm blades, closest focusing distance, dimensions, and weight, as well as instructions for using the VR system, focusing modes, and tripod collar adjustments.
| Focal length | 400 mm |
|---|---|
| Maximum aperture | f/2.8 |
| Lens construction | 14 elements in 11 groups (3 ED glass, 1 Nano Crystal Coat) |
| Diaphragm blades | 9 (rounded) |
| Closest focusing distance (AF) | 2.9 m (9.5 ft) |
| Closest focusing distance (MF) | 2.8 m (9.2 ft) |
| Weight | Approx. 4,620 g (10.2 lb) |
| Dimensions | ≈159.5 mm diameter × 368.0 mm length |
| Vibration reduction type | Lens‑shift method using voice coil motors (VCM) |
| Focusing system | Internal Focusing (IF) with Silent Wave Motor |
The lens has a focal length of 400 mm.
The maximum aperture is f/2.8.
It uses a 9‑blade rounded diaphragm.
The lens weighs approximately 4,620 g (10.2 lb).