Smc Pentax-DA* 55mm F/1.4 SDM

Specifications01

MountPENTAX K

Focal length55mm

Max aperturef/1.4

TypePortrait · Prime

Release year2008

Weight375 g

Filter size58 mm

Physical length66 mm

Min focus distance0.45 m

Max magnification0.1701

Aperture blades9

Optical elements9

Groups8

Min aperturef/22

AutofocusYes

StabilizationNo

Aperture controlNone The aperture is controlled from the camera

Lens hoodPH-RBH58 - Bayonet-type round With filter access window

TeleconvertersHD Pentax-DA 1.4X AF Rear Converter AW→ 77mm F/2

EraDigital era

Additional Info02

Lens TypeShort telephoto prime lens

Summary02

Pentax K-mount prime portrait lens with a 55mm focal length and maximum aperture of f/1.4, designed for low-light use and shallow depth of field. SDM indicates autofocus.

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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.