N°101765 · Family detail
PentaxWide·PENTAX K mount·1984
Pentax-A SMC 28mm F/2
Specifications01
MountPENTAX K
Focal length28mm
Max aperturef/2
TypeWide · Prime
Release year1984
Weight215 g
Filter size49 mm
Physical length41.5 mm
Min focus distance0.3 m
Max magnification0.1299
Aperture blades6
Optical elements8
Groups7
Min aperturef/22
AutofocusNo
StabilizationNo
Aperture controlAperture ring (Manual settings + Auto Exposure setting)
Lens hoodPH-S49 - Clamp-on rectangular
TeleconvertersPentax Rear Converter-A 1.4X-S→ 39.2mm F/2.8
Pentax Rear Converter-A 2X-S→ 56mm F/4
EraFilm era
Production statusDiscontinued
Additional Info02
ModelSMC
FormatFull-Frame
SeriesA Series Prime
Squeezenone
Lens TypeWide-angle prime lens
Iris Blades6
Release Date1984
Data Protocolnone
Focus Zoom Rodnone
Front Diameter Mm63
Field Notes02
Pentax K-mount 28mm f/2 prime lens. Fixed wide-to-standard focal length for general photography, including landscapes and street work, with a bright f/2 maximum aperture.
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Other Mounts03
No alternate mounts are indexed for this family yet.