N°102980 · Family detail
PentaxPrime·PENTAX K mount·1976
Smc Pentax-M 40mm F/2.8
Specifications01
MountPENTAX K
Focal length40mm
Max aperturef/2.8
TypePrime
Release year1976
Weight110 g
Filter size49 mm
Min focus distance0.6 m
Max magnification0.08
Aperture blades5
Optical elements5
Groups4
AutofocusNo
StabilizationNo
Aperture controlAperture ring (Manual settings only)
Lens hoodRH-R49 - Screw-type round
EraFilm era
Production statusDiscontinued
Additional Info02
Lens TypeWide-angle prime lens
Field Notes02
Pentax K-mount 40mm prime lens with a maximum aperture of f/2.8, intended for general-purpose photography such as street and low-light use.
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Other Mounts03
No alternate mounts are indexed for this family yet.