Auto Mamiya/Sekor 135mm F/2.8 [DTL]

Specifications01

MountM42

Focal length135mm

Max aperturef/2.8

TypeTelephoto · Prime

Weight395 g

Filter size55 mm

Min focus distance1.3 m

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-mount cameras, intended for portrait and general telephoto use; the fast aperture supports low-light focusing and subject isolation.

AI-assisted summary — verify against linked sources

Catalog note · source: thelensdb

Sources03

thelensdb.comVisit ↗

Other Mounts03

No alternate mounts are indexed for this family yet.