N°185551 · Family detail
HeliosPortrait·M42 mount·1969

Helios-40-2 85mm F/1.5

Specifications01

MountM42
Focal length85mm
Max aperturef/1.5
TypePortrait · Telephoto · Prime
Release year1969
Weight1100 g
Filter size67 mm
Min focus distance0.8 m
Aperture blades10
Optical elements6
Groups4
AutofocusNo
StabilizationNo
Aperture controlPreset ring + Aperture ring
EraFilm era
Production statusDiscontinued

Additional Info02

Lens TypeShort telephoto prime lens

Summary02

Helios-40-2 is an 85mm prime lens for M42 mount, with a maximum aperture of f/1.5 for low-light portraits and shallow depth of field. Manual focus design aimed at portrait 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 ↗
kentfaith.esVisit ↗
allphotolenses.comVisit ↗

Other Mounts03

No alternate mounts are indexed for this family yet.