It is used for sighting of ZAP 23 anti-aircraft automatic sight and other movable launchers on air targets.
TECHNICAL SPECIFICATIONS
0-05 – Value of a scale division, artillery thousandths (1/6000)
≤ 0-01´ – Parallax of the scale, artillery thousandths (1/6000)
from –45°C to +50°C – Operational Temperature Range
120 x 133 x 140 mm – Sizes
0,09 kg – Weight