Pentax 645 SMC 135mm F/4 Leaf Shutter

Specifications01

MountPENTAX 645

Focal length135mm

Max aperturef/4

TypeTelephoto · Prime

Weight470 g

Filter size58 mm

Physical length69 mm

Min focus distance1.25 m

Optical elements5

Groups5

Min aperturef/32

Additional Info02

Model645 SMC

Format645 film

SeriesPentax Leaf Shutter

Squeezenone

Iris Blades5

Data Protocolnone

Focus Zoom Rodnone

Front Diameter Mm76

Summary02

Pentax 645 SMC 135mm F/4 is a leaf-shutter telephoto lens for Pentax 645 medium-format cameras, intended for portrait and general telephoto use with a maximum aperture of f/4.

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Specifications from cinelenswiki

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

cinelenswiki.comVisit ↗

Other Mounts03

No alternate mounts are indexed for this family yet.