N°96000 · Family detail
PentaxZoom·PENTAX K mount·2007
Smc Pentax-DA* 50-135mm F/2.8 ED [IF] SDM
Specifications01
MountPENTAX K
Focal length50-135mm
Max aperturef/2.8
TypeZoom
Release year2007
Weight685 g
Filter size67 mm
Physical length136 mm
Min focus distance1 m
Max magnification0.1701
Aperture blades9
Optical elements18
Groups14
AutofocusYes
StabilizationNo
Aperture controlNone
The aperture is controlled from the camera
Lens hoodPH-RBK67 - Bayonet-type petal-shaped
With filter access window
TeleconvertersHD Pentax-DA 1.4X AF Rear Converter AW→ 70-189mm F/3.9
EraDigital era
Production statusDiscontinued
Additional Info02
Lens TypeTelephoto zoom lens
Summary02
Pentax K-mount zoom lens with focal length 50–135mm and constant maximum aperture of f/2.8. Intended for portrait and short-tele use on APS-C cameras.
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.
![Smc Pentax-DA* 50-135mm F/2.8 ED [IF] SDM](https://img.lens-database.com/lenses/variants/v1/758554228770469a810989889be634bf061210f6c93be033b3c105a69ad6ef9c/e85ec21198118a4456d3b99d36b0bfc5d7834e89a8af61d70f2833c8fbc83c88/250x250/1280.webp)
Other Mounts03
No alternate mounts are indexed for this family yet.