N°413094 · Family detail
PentaxWide·PENTAX K mount·2001
Smc Pentax-FA 31mm F/1.8 AL Limited
Specifications01
MountPENTAX K
Focal length31mm
Max aperturef/1.8
TypeWide · Prime
Release year2001
Weight345 g
Filter size58 mm
Physical length69 mm
Min focus distance0.3 m
Max magnification0.16
Aperture blades9
Optical elements9
Groups7
Min aperturef/22
AutofocusYes
StabilizationNo
Aperture controlAperture ring (Manual settings + Auto Exposure setting)
Lens hoodBuilt-in petal-shaped
TeleconvertersHD Pentax-DA 1.4X AF Rear Converter AW→ 43.4mm F/2.5
Pentax Rear Converter-A 1.4X-S→ 43.4mm F/2.5
Pentax Rear Converter-A 2X-S→ 62mm F/3.6
EraFilm era
Production statusDiscontinued
Additional Info02
Lens TypeWide-angle prime lens
Field Notes02
Pentax K-mount 31mm prime lens with a maximum aperture of f/1.8, designed for standard/wide-angle photography such as street, travel, and low-light use. Limited series AL lens.
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Other Mounts03
No alternate mounts are indexed for this family yet.