N°107423 · Family detail
ChinonZoom·PENTAX K mount·1988
Chinon AF 28-70mm F/3.5-4.5
Specifications01
MountPENTAX K
Focal length28-70mm
Max aperturef/3.5
TypeZoom
Release year1988
Weight400 g
Filter size55 mm
Min focus distance0.7 m
Max magnification0.25
Aperture blades6
Optical elements10
Groups9
Min aperturef/4.5
AutofocusYes
StabilizationNo
Aperture controlNone
The aperture is controlled from the camera
EraFilm era
Production statusDiscontinued
Additional Info02
Lens TypeStandard zoom lens
Summary02
Chinon AF 28-70mm zoom lens for Pentax K-mount. Variable maximum aperture is f/3.5-4.5, suitable for general-purpose photography and low-to-moderate light.
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.
Sources03
thelensdb.comVisit ↗
Other Mounts03
No alternate mounts are indexed for this family yet.