N°104446 · Family detail
JupiterTelephoto·M42 mount·1971

Jupiter-21M 200mm F/4

Specifications01

MountM42
Focal length200mm
Max aperturef/4
TypeTelephoto · Prime
Release year1971
Weight980 g
Filter size58 mm
Min focus distance1.8 m
Aperture blades8
Optical elements4
Groups3
AutofocusNo
StabilizationNo
Aperture controlAperture ring (Manual settings only)
Lens hoodBuilt-in telescopic round
EraFilm era
Production statusDiscontinued

Additional Info02

Lens TypeMedium telephoto prime lens

Summary02

Jupiter-21M is a manual-focus prime telephoto lens with a 200mm focal length and f/4 maximum aperture for medium-telephoto shooting such as portraits, sports, and distant subjects. M42 mount.

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.