N°180100 · Family detail
PentaxWide·PENTAX K mount·1975
Smc Pentax Shift 28mm F/3.5
Specifications01
MountPENTAX K
Focal length28mm
Max aperturef/3.5
TypeWide · Prime
Release year1975
Weight611 g
Min focus distance0.3 m
Max magnification0.1299
Aperture blades8
Optical elements12
Groups11
AutofocusNo
StabilizationNo
Aperture controlPreset ring + Aperture ring
Lens hoodBuilt-in petal-shaped
TeleconvertersPentax Rear Converter-A 1.4X-S→ 39.2mm F/4.9
Pentax Rear Converter-A 2X-S→ 56mm F/7
EraFilm era
Production statusDiscontinued
Additional Info02
Lens TypeShift lens
Summary02
28mm F/3.5 Pentax K-mount tilt-shift lens (Shift 28mm) for perspective correction and architecture/scenery use. Manual focus with a shift feature to align verticals without changing camera position.
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.