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SMC Pentax-DA 40mm f/2.8 XS

Name: Pentax SMC Pentax-DA 40mm f/2.8 XS
Brand: Pentax

27mm filter · 52g

New

$249

Used (avg)

~$180

Updated Jun 2026

Focal length

40mm

Max Aperture

f/2.8

Weight

52g

Filter Thread

27mm

Min Focus Distance

40cm

Mount: Pentax Kaf4 — compatible with all Pentax Kaf4-mount bodies.

Mount

Pentax KAF4

Notes

Ultra-slim pancake, 9.2mm thin

Groups

Elements

Weight

52g

Autofocus

Yes

Filter Thread

27mm

Max Aperture

f/2.8

Focal Length

40mm

Image Circle

APS-C

Min Aperture

Min Focus Distance

40cm

Aperture Blades

Introduced

2012

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