N°92394 · Family detail
PentaconPortrait·M42 mount

Pentacon 50mm F/1.8 Auto / Electric Multi Coating

Specifications01

MountM42
Focal length50mm
Max aperturef/1.8
TypePortrait · Prime
Weight250 g
Filter size49 mm
Min focus distance0.33 m
Aperture blades6
Optical elements6
Groups4
AutofocusNo
StabilizationNo
Aperture controlAperture ring (Manual settings only)
EraFilm era
Production statusDiscontinued

Additional Info02

Lens TypeStandard prime lens

Summary02

Pentacon 50mm prime lens for M42 mount, with a maximum aperture of f/1.8. Intended for general-purpose photography and low-light use.

AI-assisted summary — verify against linked sources

Specifications from thelensdb

Where can this lens be adapted?

The M42 screw 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

  • Many M42 lenses close the aperture only when a pin at the rear is pressed. Use an adapter that presses the pin, or set the A/M switch to M.
  • 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

    Covers full-frame: it can vignette on a medium format sensor.

  • Canon EF-MAdapter · 27.46 mm
  • Canon EFAdapter · 1.46 mm

    A rear element that sticks out can hit the camera mirror.

No plain adapter reaches infinity focus on: Nikon F.

Sources03

thelensdb.comVisit ↗
lens-db.comVisit ↗

Other Mounts03

No alternate mounts are indexed for this family yet.