HD Pentax-DA 20-40mm F/2.8-4 ED DC WR Limited

Specifications01

MountPENTAX K

Focal length20-40mm

Max aperturef/2.8

TypeZoom

Release year2013

Weight283 g

Filter size55 mm

Physical length69 mm

Min focus distance0.28 m

Max magnification0.2

Aperture blades9

Optical elements9

Groups8

Min aperturef/4

AutofocusYes

StabilizationNo

Aperture controlNone The aperture is controlled from the camera

Lens hoodMH-RA55 - Screw-type round

TeleconvertersHD Pentax-DA 1.4X AF Rear Converter AW→ 28-56mm F/3.9-5.6

EraDigital era

Production statusIn production

Additional Info02

Lens TypeStandard zoom lens

Field Notes02

HD Pentax-DA 20-40mm F/2.8-4 is a Pentax K-mount zoom lens with a variable maximum aperture. It covers wide to standard focal lengths for general photography and is weather resistant.

AI-assisted summary — verify against linked sources

Catalog note · source: thelensdb

Sources03

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HD Pentax-DA 20-40mm F/2.8-4 ED DC WR Limited

Other Mounts03

No alternate mounts are indexed for this family yet.