N°95829 · Family detail
PentaxTelephoto·PENTAX K mount·1975
Smc Pentax 135-600mm F/6.7
Specifications01
MountPENTAX K
Focal length135-600mm
Max aperturef/6.7
TypeTelephoto · Zoom
Release year1975
Weight4070 g
Filter size52 mm
Min focus distance6 m
Aperture blades10
Optical elements15
Groups12
AutofocusNo
StabilizationNo
Aperture controlAperture ring
Lens hoodBuilt-in telescopic round
TeleconvertersPentax Rear Converter-A 1.4X-S→ 189-840mm F/9.4
Pentax Rear Converter-A 2X-S→ 270-1200mm F/13.4
EraFilm era
Production statusDiscontinued
Additional Info02
Lens TypeTelephoto zoom lens
Summary02
Pentax K-mount super-telephoto zoom with focal length 135–600mm and maximum aperture f/6.7. Intended for distant subjects such as wildlife or sports, typically used with longer-focal-length support/techniques.
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.
Other Mounts03
No alternate mounts are indexed for this family yet.