N°206517 · Family detail
NikonTelephoto·NIKON F mount·1978
Nikon AI Nikkor 300mm F/4.5 IF-ED
Specifications01
MountNIKON F
Focal length300mm
Max aperturef/4.5
TypeTelephoto · Prime
Release year1978
Weight990 g
Filter size72 mm
Min focus distance2.5 m
Aperture blades7
Optical elements7
Groups6
AutofocusNo
StabilizationNo
Aperture controlAperture ring (Manual settings only)
Lens hoodBuilt-in telescopic round
TeleconvertersNikon Teleconverter TC-14B→ 420mm F/6.3
Nikon Teleconverter TC-300→ 600mm F/9
Nikon Teleconverter TC-301→ 600mm F/9
EraFilm era
Production statusDiscontinued
Additional Info02
Lens TypeSuper telephoto prime lens
Field Notes02
Nikon AI Nikkor is a fixed 300mm telephoto prime lens with a maximum aperture of f/4.5, designed for subject isolation at distance on Nikon F-mount film/FX bodies. IF (internal focus) helps focusing performance.
AI-assisted summary — verify against linked sources
Other Mounts03
No alternate mounts are indexed for this family yet.