Smc Pentax-FA 645 300mm F/5.6 ED [IF]

Specifications01

MountPENTAX 645

Focal length300mm

Max aperturef/5.6

TypeTelephoto · Prime

Release year2001

Weight775 g

Filter size67 mm

Min focus distance2.2 m

Max magnification0.16

Aperture blades9

Optical elements7

Groups7

AutofocusYes

StabilizationNo

Aperture controlAperture ring (Manual settings + Auto Exposure setting)

Lens hoodBayonet-type PH-RBG67 (round With filter access window)

EraDigital era

Production statusDiscontinued

Additional Info02

Lens TypeMedium telephoto prime lens

Summary02

Pentax 645 medium-format telephoto prime with 300mm focal length and f/5.6 maximum aperture, intended for portrait and distant-subject work. ED and IF design for image performance and close focusing within its range.

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

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Other Mounts03

No alternate mounts are indexed for this family yet.