N°110591 · Family detail
PentaxTelephoto·PENTAX 645 mount·1986
Smc Pentax-A* 645 600mm F/5.6 ED
Specifications01
MountPENTAX 645
Focal length600mm
Max aperturef/5.6
TypeTelephoto · Prime
Release year1986
Weight4800 g
Min focus distance5 m
Max magnification0.1299
Aperture blades8
Optical elements12
Groups11
AutofocusNo
StabilizationNo
Aperture controlAperture ring (Manual settings + Auto Exposure setting)
Lens hoodBuilt-in telescopic round
TeleconvertersPentax Rear Converter-A 645 1.4X→ 840mm F/7.8
Pentax Rear Converter-A 645 2X→ 1200mm F/11.2
EraFilm era
Production statusDiscontinued
Additional Info02
Lens TypeSuper telephoto prime lens
Summary02
Pentax 645 telephoto prime lens with a 600mm focal length and maximum aperture of f/5.6, designed for subject isolation over long distances. ED (Extra-low Dispersion) optics; intended for general telephoto use.
AI-assisted summary — verify against linked sourcesWhere can this lens be adapted?
The Pentax 645 mount has a flange distance of 70.87 mm. A plain adapter fits a camera whose flange distance is at least 1.46 mm shorter. How lens adapters work
- Pentax 645 DA lenses have no aperture ring. Use an adapter with its own aperture control.
- Sony EAdapter · 52.87 mm
- Canon RFAdapter · 50.87 mm
- Nikon ZAdapter · 54.87 mm
- Fujifilm XAdapter · 53.17 mm
- L-MountAdapter · 50.87 mm
- Micro Four ThirdsAdapter · 51.62 mm
- Fujifilm G (GFX)Adapter · 44.17 mm
- Canon EF-MAdapter · 52.87 mm
- Canon EFAdapter · 26.87 mm
A rear element that sticks out can hit the camera mirror.
- Nikon FAdapter · 24.37 mm
A rear element that sticks out can hit the camera mirror.
Other Mounts03
No alternate mounts are indexed for this family yet.