Smc Pentax-D FA 645 55mm F/2.8 AL [IF] SDM AW

Specifications01

MountPENTAX 645

Focal length55mm

Max aperturef/2.8

TypePrime

Release year2010

Weight416 g

Filter size67 mm

Physical length68 mm

Min focus distance0.5 m

Max magnification0.1695

Aperture blades9

Optical elements9

Groups7

Min aperturef/22

AutofocusYes

StabilizationNo

Aperture controlNone The aperture is controlled from the camera

Lens hoodPH-RBN67 - Bayonet-type petal-shaped, with filter access window PH-SA67 - Snap-on rectangular

TeleconvertersNot compatible

EraDigital era

Production statusDiscontinued

Additional Info02

Lens TypeWide-angle prime lens

Summary02

Pentax 645 medium-format prime lens with a 55mm focal length and maximum aperture of f/2.8. Autofocus standard lens for general photography, including portraits and low-light use.

AI-assisted summary — verify against linked sources

Specifications from thelensdb

Where can this lens be adapted?

The Pentax 645 mount has a flange distance of 70.87 mm. A plain adapter fits a camera whose flange distance is at least 1.46 mm shorter. How lens adapters work

Pentax 645 DA lenses have no aperture ring. Use an adapter with its own aperture control.

Sony EAdapter · 52.87 mm
Canon RFAdapter · 50.87 mm
Nikon ZAdapter · 54.87 mm
Fujifilm XAdapter · 53.17 mm
L-MountAdapter · 50.87 mm
Micro Four ThirdsAdapter · 51.62 mm
Fujifilm G (GFX)Adapter · 44.17 mm
Canon EF-MAdapter · 52.87 mm
Canon EFAdapter · 26.87 mm
A rear element that sticks out can hit the camera mirror.
Nikon FAdapter · 24.37 mm
A rear element that sticks out can hit the camera mirror.

Sources03

thelensdb.comVisit ↗

dpreview.comVisit ↗

lens-db.comVisit ↗

Smc Pentax-D FA 645 55mm F/2.8 AL [IF] SDM AW

Other Mounts03

No alternate mounts are indexed for this family yet.