Scientific, nautical, optical, measuring and checking (supervision) apparatus and instruments; Precision measuring apparatus; Distance recording apparatus; Speed sensor; Optical sensors; Sensors for determining position; Optical and visual detection apparatus; Target detectors for industrial or military purposes; Transmitters of electronic signals; Optical transceivers; Speed indicators; Binoculars; Telescopic sights for firearms; Detecting and aiming apparatus for identifying targets in a marine environment; Apparatus for calculating angular coordinates in space for aerial, terrestrial or marine targets.;