Nikon NIKKOR ED 300mm f-2.8 IF - Manual (Page 14)

SPECIFICATIONS
Focal length; 300mm
Maximum aperture: f/2.8
Lens construction: 8 elements in 6 groups (plus dustproof glass plate built Into front)
Picture angle: 8" 10'
Distance scale; Graduated in meters and feet from 3m (10 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 39mm dia. screw-in filters; gelatine filter
holder accepts gelatine filters
Mount: Nikon bayonet mount
Dimensions: Approx. 132mm dia. x 255mm extension from flange; approx. 263mm
long (overall)
Weight; Approx. 2400g
Accessories
Slip-on leatherette front lens cap 39mm screw-in filters
Rear lens cap LF-1 Teleconverter TC-14A
Extension lens hood HE-4 Teleconverter TC-14B
Built-in 39mm screw-in filter L37C Teleconverter TC-201
Gelatine slip-in filter holder Teleconverter TC-301
Heavy-duty case CT-302
LENS CARE
• Although you should always keep the lens surfaces clean, rough cleaning must be
avoided. Wipe with a soft, clean cotton cloth moistened with alcohol to. remove
grease or fingerprints from the lens surfaces.
If you use ether in cleaning the lens, a smudge sometimes appears on the surface of a
multi-coated lens. If this happens, wipe it again with a cotton cloth moistened with
alcohol.
• Take care in cleaning the rear part of the lens with a spray-gun type blower, because
its strong stream of air may damage the lens diaphragm blades. To avoid damage,
set the lens at full aperture and use the blower far enough away.
• Always protect the lens surface from dirt or damage. The lens hood also helps tp pro­
tect the lens.
• Keep the lens cap in place whenever the lens is not in use.
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