N°109758 · Family detail
PentaxZoom·PENTAX K mount·1997
Smc Pentax-FA 80-320mm F/4.5-5.6
Specifications01
MountPENTAX K
Focal length80-320mm
Max aperturef/4.5
TypeZoom
Release year1997
Weight550 g
Filter size58 mm
Min focus distance1.5 m
Max magnification0.2899
Aperture blades8
Optical elements13
Groups10
Min aperturef/5.6
AutofocusYes
StabilizationNo
Aperture controlAperture ring (Manual settings + Auto Exposure setting)
Lens hoodRH-A58 - Screw-type round
TeleconvertersPentax Rear Converter-A 1.4X-S→ 112-448mm F/6.3-7.8
Pentax Rear Converter-A 2X-S→ 160-640mm F/9-11.2
EraFilm era
Production statusDiscontinued
Additional Info02
Lens TypeTelephoto zoom lens
Summary02
Pentax K-mount zoom lens with a 80-320mm focal range and maximum apertures of f/4.5-5.6. Intended for general telephoto use such as portraits and distant subjects.
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.