Pentax-M SMC 75-150mm F/4

Specifications01

MountPENTAX K

Focal length75-150mm

Max aperturef/4

TypeZoom

Release year1980

Weight465 g

Filter size49 mm

Physical length111 mm

Min focus distance1.2 m

Aperture blades6

Optical elements12

Groups9

Min aperturef/32

AutofocusNo

StabilizationNo

Aperture controlAperture ring (Manual settings only)

Lens hoodBuilt-in telescopic round

EraFilm era

Production statusDiscontinued

Additional Info02

ModelSMC

FormatFull-Frame

SeriesM Series Zoom

Squeezenone

Lens TypeTelephoto zoom lens

Iris Blades6

Release Date1980

Data Protocolnone

Focus Zoom Rodnone

Front Diameter Mm64

Summary02

SMC Pentax-M 75-150mm is a Pentax K-mount zoom lens with a constant f/4 maximum aperture, intended for general telephoto use such as portraits and compression-style shots.

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Specifications from cinelenswiki

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.