Doppelfernrohr DF 18×80 20 degrees

Probably used on big surfaceships to guide the searchlight. It comes with a small fast aiming visor.

With a lot of markings.

  • m.schr.E.20° = “mit schrägen Einblick”, looking in an angle of 20 degrees
  • – 0,1 atü = 0.1 overpressure inside
  • IV/1 = an inspectionmarking