Auto Mamiya/Sekor SX 135mm F/2.8

Specifications01

MountM42

Focal length135mm

Max aperturef/2.8

TypeTelephoto · Prime

Release year1974

Weight500 g

Filter size52 mm

Min focus distance1.5 m

Aperture blades6

Optical elements4

Groups4

AutofocusNo

StabilizationNo

Aperture controlAperture ring (Manual settings only)

Lens hoodBuilt-in telescopic round

TeleconvertersNot available

EraFilm era

Production statusDiscontinued

Additional Info02

Lens TypeMedium telephoto prime lens

Field Notes02

135mm f/2.8 telephoto prime lens for M42 screw-mount cameras, intended for portrait and general telephoto use. Bright maximum aperture supports low-light and shallow depth of field.

AI-assisted summary — verify against linked sources

Catalog note · source: thelensdb

Sources03

thelensdb.comVisit ↗

lens-db.comVisit ↗

Other Mounts03

No alternate mounts are indexed for this family yet.