N°100037 · Family detail
CanonWide·CANON FD mount·1979
Canon FDn 20mm F/2.8
Specifications01
MountCANON FD
Focal length20mm
Max aperturef/2.8
TypeWide · Prime
Release year1979
Weight305 g
Filter size72 mm
Min focus distance0.25 m
Max magnification0.1299
Aperture blades6
Optical elements10
Groups9
AutofocusNo
StabilizationNo
Aperture controlAperture ring (Manual settings + Auto Exposure setting)
Lens hoodBW-72 - Bayonet-type round
TeleconvertersCanon Extender FD 2X-B→ 40mm F/5.6
EraFilm era
Production statusDiscontinued
Additional Info02
Lens TypeUltra-wide angle prime lens
Field Notes02
Canon FDn 20mm F/2.8 is a fixed 20mm wide-angle prime for Canon FD-mount cameras, suited to landscapes, interiors, and general wide-angle use. It has a maximum aperture of f/2.8.
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Other Mounts03
No alternate mounts are indexed for this family yet.