N°95991 · Family detail
PentaxCinema·PENTAX K mount·1975
Smc Pentax 135mm F/2.5
Specifications01
MountPENTAX K
Focal length135mm
Max aperturef/2.5
TypeCinema · Telephoto · Prime
Release year1975
Weight470 g
Filter size58 mm
Min focus distance1.5 m
Aperture blades8
Optical elements6
Groups6
AutofocusNo
StabilizationNo
Aperture controlAperture ring (Manual settings only)
Lens hoodPH-R58 - Clamp-on round
TeleconvertersPentax Rear Converter K T6-2X→ 270mm F/5
EraFilm era
Production statusDiscontinued
Additional Info02
Lens TypeMedium telephoto prime lens
Field Notes02
Pentax K-mount 135mm prime lens with a maximum aperture of f/2.5, intended for portrait and low-light work. It’s a fixed-focal telephoto lens rather than a zoom.
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Other Mounts03
No alternate mounts are indexed for this family yet.