N°94046 · Family detail
PentaxMacro·PENTAX K mount·1977
Pentax-M SMC 100mm F/4 Macro
Specifications01
MountPENTAX K
Focal length100mm
Max aperturef/4
TypeMacro · Telephoto · Prime
Release year1977
Weight355 g
Filter size49 mm
Physical length77.5 mm
Min focus distance0.45 m
Max magnification0.5
Aperture blades6
Optical elements5
Groups3
Min aperturef/32
AutofocusNo
StabilizationNo
Aperture controlAperture ring (Manual settings only)
Lens hoodPH-R49 - Screw-type round
EraFilm era
Production statusDiscontinued
Additional Info02
ModelSMC
FormatFull-Frame
SeriesM Series Macro
Squeezenone
Lens TypeMacro lens
Iris Blades6
Release Date1977
Data Protocolnone
Focus Zoom Rodnone
Front Diameter Mm64.6
Field Notes02
SMC Pentax-M 100mm f/4 is a macro prime lens for the Pentax K mount, designed for close-up photography. It has a fixed focal length of 100mm and an aperture of f/4.
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Other Mounts03
No alternate mounts are indexed for this family yet.