N°109570 · Family detail
CanonTelephoto·CANON FD mount·1980
Canon FDn 300mm F/4L
Specifications01
MountCANON FD
Focal length300mm
Max aperturef/4
TypeTelephoto · Prime
Release year1980
Weight1060 g
Min focus distance3 m
Max magnification0.1099
Aperture blades9
Optical elements7
Groups7
AutofocusNo
StabilizationNo
Aperture controlAperture ring (Manual settings + Auto Exposure setting)
Lens hoodBuilt-in telescopic round
TeleconvertersCanon Extender FD 1.4X-A→ 420mm F/5.6
Canon Extender FD 2X-A→ 600mm F/8
EraFilm era
Production statusDiscontinued
Additional Info02
Lens TypeSuper telephoto prime lens
Summary02
Canon FDn 300mm f/4L is a fixed focal-length telephoto prime for cameras with Canon FD mount. It’s suited for sports, wildlife, and other long-distance shooting in moderate light.
AI-assisted summary — verify against linked sourcesWhere can this lens be adapted?
The Canon FD mount has a flange distance of 42 mm. A plain adapter fits a camera whose flange distance is at least 1.46 mm shorter. How lens adapters work
- FD lenses stay at full aperture until the camera moves a lever on the lens. Use an FD adapter with a ring that moves this lever.
- Sony EAdapter · 24 mm
- Canon RFAdapter · 22 mm
- Nikon ZAdapter · 26 mm
- Fujifilm XAdapter · 24.3 mm
- L-MountAdapter · 22 mm
- Micro Four ThirdsAdapter · 22.75 mm
- Fujifilm G (GFX)Adapter · 15.3 mm
Covers full-frame: it can vignette on a medium format sensor.
- Canon EF-MAdapter · 24 mm
No plain adapter reaches infinity focus on: Canon EF, Nikon F.
Other Mounts03
No alternate mounts are indexed for this family yet.