BERKAN 20 an armoured vehicle commander’s periscope is a day optical device with a monocular structure.

The periscope consists of a 1x wide-angle view magnification and a 6x target identification optical system. The mirror in the housing of the device is used by both optical systems. The position of the mirror is controlled vertically by the operator and the angle of view can be changed in the vertical direction. The 6x optical system has an ocular diopter adjustment and an illuminated reticle for distance measurement.

General Features:

  • Target identification with a 6x magnification, distance measurement with the use of a stadimetric method
  • Wide angle prism for observation
  • Adjustable mirror periscope for elevation search
  • Prism and eyepiece cover prevent internal lights to be seen from the outside
  • Laser protection filter for 694nm and 1064nm wavelength

Technical Specifications:

  • Designation Channel
  • Magnification: 6X
  • Field of view: 8.5°
  • Focus range: 25m to infinity
  • Diopter adjustment: +3 / -3
  • Elevation range: +33°; -27°

Observation Channel

  • Magnification: 1X
  • Field of view: Horizontal 60°, Vertical 13°
  • Elevation range: +33°; -27°

Mechanical Specifications

  • Weight: 7.2 kg

Electrical Specifications

  • Power supply: 18 – 36 VDC

Environmental Specifications

  • Operating temperature: 40°C/+71°C
  • Storage temperature: -62°C/+71°C
  • Humidity: % 98
  • Shock: 100G, 1.5 ms
  • Vibration: 1.58mm at 30 Hz