N°95963 · Family detail
PentaxTelephoto·PENTAX K mount·1980
Takumar [Bayonet] 135mm F/2.5
Specifications01
MountPENTAX K
Focal length135mm
Max aperturef/2.5
TypeTelephoto · Prime
Release year1980
Weight395 g
Filter size52 mm
Min focus distance1.2 m
Aperture blades8
Optical elements4
Groups4
AutofocusNo
StabilizationNo
Aperture controlAperture ring (Manual settings only)
Lens hoodBuilt-in telescopic round
EraFilm era
Production statusDiscontinued
Additional Info02
Lens TypeMedium telephoto prime lens
Summary02
135mm f/2.5 telephoto prime lens for the Pentax K bayonet mount. Designed for portrait and general telephoto shooting with a wide maximum aperture for low-light use.
AI-assisted summary — verify against linked sourcesWhere can this lens be adapted?
The Pentax K mount has a flange distance of 45.46 mm. A plain adapter fits a camera whose flange distance is at least 1.46 mm shorter. How lens adapters work
- Pentax DA and FA J lenses have no aperture ring. Use an adapter with its own aperture control.
- Pentax DA lenses are made for APS-C.
- Sony EAdapter · 27.46 mm
- Canon RFAdapter · 25.46 mm
- Nikon ZAdapter · 29.46 mm
- Fujifilm XAdapter · 27.76 mm
- L-MountAdapter · 25.46 mm
- Micro Four ThirdsAdapter · 26.21 mm
- Fujifilm G (GFX)Adapter · 18.76 mm
- Canon EF-MAdapter · 27.46 mm
- Canon EFAdapter · 1.46 mm
A rear element that sticks out can hit the camera mirror.
No plain adapter reaches infinity focus on: Nikon F.
![Takumar [Bayonet] 135mm F/2.5](https://img.lens-database.com/lenses/variants/v1/7b0e4a8821fad50c758673b7f0700e7e6a516ae98a3830a5109e0bd744303d70/b2999363ad3191d59ab5544a4ef3e4c8825a157ef28daa4aba0725b45c6808af/550x490/1280.webp)
Other Mounts03
No alternate mounts are indexed for this family yet.