N°106789 · Family detail
MamiyaTelephoto·M42 mount·1974
Auto Mamiya/Sekor SX 90-230mm F/4.5
Specifications01
MountM42
Focal length90-230mm
Max aperturef/4.5
TypeTelephoto · Zoom
Release year1974
Weight905 g
Filter size58 mm
Min focus distance1.5 m
Optical elements11
Groups8
AutofocusNo
StabilizationNo
Aperture controlAperture ring (Manual settings only)
Lens hoodBuilt-in telescopic round
TeleconvertersNot available
EraFilm era
Production statusDiscontinued
Additional Info02
Lens TypeTelephoto zoom lens
Field Notes02
Auto Mamiya/Sekor SX is a 90–230mm f/4.5 zoom lens for the M42 mount, intended for general telephoto use across portraits and sports. It has a fixed maximum aperture of f/4.5 throughout the zoom range.
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Other Mounts03
No alternate mounts are indexed for this family yet.