N°109468 · Family detail
RubinarMirror·M42 mount

Rubinar 300mm F/4.5 Mirror MC Macro

Specifications01

MountM42
Focal length300mm
Max aperturef/4.5
TypeMirror · Macro · Telephoto · Prime
Weight700 g
Filter size77 mm
Min focus distance1.7 m
Max magnification0.2
AutofocusNo
StabilizationNo
Aperture controlNone
Lens hoodScrew-type round
EraFilm era
Production statusDiscontinued

Additional Info02

Lens TypeSuper telephoto prime lens

Summary02

Rubinar 300mm F/4.5 is a manual-focus mirror (catadioptric) prime telephoto lens for M42 mounts, intended for macro and general telephoto use. Mirror design typically uses a fixed aperture geometry.

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

This lens family is also indexed in 1 other mount.