Nikon NIKKOR ED 400mm f-2.8 IF - Manual (Page 15)

SPECIFICATIONS
Focal length: 400mm
Maximum aperture: f/2.8
Lens construction: 8 elements in 6 groups (plus dustproof glass plate built into front)
Picture angle: 6° 10'
Distance scale: Graduated in meters and feet from 4m (15 ft.) to infinity (°°)
Aperture scale: f/2.8 f/22 on both standard and aperture-direct-readout scales
Diaphragm: Fully automatic
Exposure measurement: Via full-aperture method; meter coupling ridge provided for
AI cameras and meter coupling shoe for non-AI cameras
Focusing: Nikon Internal Focusing (IF) system
Infrared focusing index: Provided
Tripod mounting: Built-in tripod mounting collar rotatable through 360°
Lens hood: Built-in telescopic screw-out type
Extension lens hood: Provided
Filters: Slip-in type glass filter holder accepts 52mm dia. screw-in filters; gelatine filter
holder accepts gelatine filters
Mount: Nikon bayonet mount
Dimensions: Approx. 163mm dia. x 378.5mm extension from flange; approx. 386.5mm
long (overall)
Weight: Approx. 5150g
Accessories
Slip-on leatherette front lens cap 52mm-dia. screw-in filters
Rear lens cap LF-1 Soft lens pouch No. 59
52mm-dia. screw-in ultraviolet Teleconverter TC-201
filter L37C Teleconverter TC-301
Gelatine slip-in filter holder
Extension lens hood HE-3
Shoulder strap
Aluminum Trunk CT-400
Teleconverter TC-14B
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