N°188646 · Family detail
MamiyaPortrait·M42 mount·1966
Auto Mamiya/Sekor 55mm F/1.8
Specifications01
MountM42
Focal length55mm
Max aperturef/1.8
TypePortrait · Prime
Release year1966
Weight225 g
Filter size52 mm
Min focus distance0.5 m
Aperture blades6
Optical elements6
Groups4
AutofocusNo
StabilizationNo
Aperture controlAperture ring (Manual settings only)
Lens hoodScrew-type round
TeleconvertersNot available
EraFilm era
Production statusDiscontinued
Additional Info02
Lens TypeStandard prime lens
Field Notes02
Auto Mamiya/Sekor 55mm f/1.8 is a normal/portrait prime lens for M42-mount cameras, intended for low-light and shallow-depth-of-field use.
AI-assisted summary — verify against linked sourcesOther Mounts03
No alternate mounts are indexed for this family yet.