N°110178 · Family detail
PentaxMacro·PENTAX K mount·1975
Pentax SMC 50mm F/4 Macro
Specifications01
MountPENTAX K
Focal length50mm
Max aperturef/4
TypeMacro · Prime
Release year1975
Weight241 g
Filter size52 mm
Physical length54 mm
Min focus distance0.23 m
Max magnification0.5
Aperture blades5
Optical elements4
Groups3
Min aperturef/32
AutofocusNo
StabilizationNo
Aperture controlAperture ring (Manual settings only)
Lens hoodNot required
EraFilm era
Production statusDiscontinued
Additional Info02
ModelSMC
FormatFull-Frame
SeriesK Series Macro
Squeezenone
Lens TypeMacro lens
Iris Blades5
Release Date1975
Data Protocolnone
Focus Zoom Rodnone
Front Diameter Mm63
Field Notes02
Pentax K-mount 50mm prime macro lens with a maximum aperture of f/4. Designed for close-up photography and general telephoto-like framing on APS-C and full-frame Pentax DSLRs.
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Other Mounts03
No alternate mounts are indexed for this family yet.