Is the searchlight light made from a point light source?
Working principle: the light source placed at the focal point of the concave mirror, the light emitted from the light incident to the concave mirror is concave mirror reflection into parallel light irradiation distance of 10 km.
The searchlight is formed from a point light source.The composition of the searchlight: 2000W-5000w xenon lamp as a light source, 100 cm in diameter, rhodium plated disk concave mirror.
The light source of the searchlight can be equivalent to a point light source. It can be said that the probe light is formed by a point light source.
