N°199618 · Family detail
PentaxPrime·PENTAX K mount·2013
HD Pentax-DA 40mm F/2.8 Limited
Specifications01
MountPENTAX K
Focal length40mm
Max aperturef/2.8
TypePrime
Release year2013
Weight89 g
Filter size49 mm
Physical length15 mm
Min focus distance0.4 m
Max magnification0.1299
Aperture blades9
Optical elements5
Groups4
AutofocusYes
StabilizationNo
Aperture controlNone
The aperture is controlled from the camera
Lens hoodMH-RE49 - Screw-type dome-shaped
TeleconvertersHD Pentax-DA 1.4X AF Rear Converter AW→ 56mm F/3.9
Sensor coverageAPS-C
EraDigital era
Additional Info02
Lens TypeShort telephoto prime lens
Field Notes02
Pentax K-mount 40mm prime lens with a maximum aperture of f/2.8. Designed for general-purpose photography on APS-C DSLRs, including portraits and low-light use.
AI-assisted summary — verify against linked sources
Other Mounts03
No alternate mounts are indexed for this family yet.