Nikon AF-S - Manual (Page 30)

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17. Specifications
Type of lens: G-type AF-S Nikkor lens having built-in CPU and Nikon
bayonet mount. Special vibration reduction (VR)
mechanism incorporated
Focal length: 400mm
Maximum aperture: f/2.8
Lens construction: 14 elements in 11 groups (3 ED glass and 1 Nano
Crystal Coat deposited lens elements), as well as
1 protective glass
Picture angle: 6°10’ with 35 mm (135) format Nikon film-SLR cameras
and Nikon FX format digital SLR cameras
4° with Nikon DX format digital SLR cameras;
5° with IX240 system cameras
Distance information: Output to camera body
Focusing: Nikon Internal Focusing (IF) system (utilizing an internal
Silent Wave Motor); manually via separate focus ring.
Vibration reduction: Lens-shift method using voice coil motors (VCMs)
Shooting distance scale: Graduated in meters and feet from 2.8 m (10 ft) to
infinity (
∞)
Closest focusing distance: 2.9 m (9.5 ft) in AF mode, 2.8 m (9.2 ft) in MF mode
No. of diaphragm blades: 9 pcs. (rounded)
Diaphragm:
Fully automatic
Aperture scale: f/2.8—f/22
Exposure measurement: Via full-aperture method with cameras with CPU
interface system
Focusing limit switch: Provided; two ranges available: FULL (
∞–2.9 m), or
∞–6m
Tripod collar: Built-in. Rotatable through 360°, lens rotating position
index at 90°. Tripod collar can be exchanged for a
monopod collar
Dimensions: Approx. 159.5 mm dia. x 368.0 mm extension from the
camera's lens mounting flange
Weight: Approx. 4,620 g (10.2 lbs)
Specifications and design are subject to change without notice.