N°95517 · Family detail
PentaxMacro·PENTAX 645 mount·1986
Pentax-A 645 SMC 120mm F/4 Macro
Specifications01
MountPENTAX 645
Focal length120mm
Max aperturef/4
TypeMacro · Telephoto · Prime
Release year1986
Weight695 g
Filter size67 mm
Physical length110 mm
Min focus distance0.39 m
Max magnification1
Aperture blades8
Optical elements9
Groups7
Min aperturef/32
AutofocusNo
StabilizationNo
Aperture controlAperture ring (Manual settings + Auto Exposure setting)
Lens hoodMH-RA67 - Screw-type round
TeleconvertersPentax Rear Converter-A 645 1.4X→ 168mm F/5.6
Pentax Rear Converter-A 645 2X→ 240mm F/8
EraFilm era
Production statusDiscontinued
Additional Info02
Model645 SMC
Format645 film
SeriesPentax-A
Squeezenone
Lens TypeMacro lens
Iris Blades8
Data Protocolnone
Focus Zoom Rodnone
Front Diameter Mm78.5
Field Notes02
Pentax 645 SMC-A 120mm F/4 macro prime for medium-format Pentax 645 cameras, intended for close-up work and general telephoto shooting. Fixed focal length at f/4.
AI-assisted summary — verify against linked sources
Other Mounts03
No alternate mounts are indexed for this family yet.