N°8677455 · Family detail
PentaxTelephoto·PENTAX 645 mount·1984
Pentax-A 645 SMC 300mm F/4 ED [IF]
Specifications01
MountPENTAX 645
Focal length300mm
Max aperturef/4
TypeTelephoto · Prime
Release year1984
Weight1360 g
Filter size77 mm
Physical length208 mm
Min focus distance3 m
Max magnification0.1099
Optical elements8
Groups8
Min aperturef/32
AutofocusNo
StabilizationNo
Aperture controlAperture ring (Manual settings + Auto Exposure setting)
Lens hoodBuilt-in telescopic round
TeleconvertersPentax Rear Converter-A 645 1.4X→ 420mm F/5.6
Pentax Rear Converter-A 645 2X→ 600mm F/8
EraFilm era
Production statusDiscontinued
Additional Info02
Model645 SMC
Format645 film
SeriesPentax-A
Squeezenone
Lens TypeMedium telephoto prime lens
Data Protocolnone
Focus Zoom Rodnone
Front Diameter Mm93
Field Notes02
Pentax-A 645 SMC is a 300mm f/4 telephoto lens for Pentax 645 medium-format cameras, intended for subjects at distance such as portraits or sports.
AI-assisted summary — verify against linked sources![Pentax-A 645 SMC 300mm F/4 ED [IF]](https://img.lens-database.com/lenses/12/1257dbadaa8a7c3d17dfd5bb2ee724a28fa1a5fa146323f6053d47d445c579d3.png)
Other Mounts03
No alternate mounts are indexed for this family yet.