Smc Pentax-DA 21mm F/3.2 AL Limited

Specifications01

MountPENTAX K

Focal length21mm

Max aperturef/3.2

TypeWide · Prime

Release year2006

Weight140 g

Filter size49 mm

Physical length25 mm

Min focus distance0.2 m

Max magnification0.1701

Aperture blades7

Optical elements8

Groups5

Min aperturef/22

AutofocusYes

StabilizationNo

Aperture controlNone The aperture is controlled from the camera

Lens hoodMH-RBA49 - Screw-type dome-shaped

EraDigital era

Production statusDiscontinued

Additional Info02

Lens TypeWide-angle prime lens

Summary02

Smc Pentax-DA 21mm F/3.2 Limited is a fixed 21mm wide-angle prime for Pentax K-mount APS-C cameras, intended for landscape, interiors, and general wide shots with a f/3.2 maximum aperture.

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Specifications from thelensdb

Where can this lens be adapted?

The Pentax K mount has a flange distance of 45.46 mm. A plain adapter fits a camera whose flange distance is at least 1.46 mm shorter. How lens adapters work

Pentax DA and FA J lenses have no aperture ring. Use an adapter with its own aperture control.
Pentax DA lenses are made for APS-C.

Sony EAdapter · 27.46 mm
Canon RFAdapter · 25.46 mm
Nikon ZAdapter · 29.46 mm
Fujifilm XAdapter · 27.76 mm
L-MountAdapter · 25.46 mm
Micro Four ThirdsAdapter · 26.21 mm
Fujifilm G (GFX)Adapter · 18.76 mm
Canon EF-MAdapter · 27.46 mm
Canon EFAdapter · 1.46 mm
A rear element that sticks out can hit the camera mirror.