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Linsheng Electrical Co., Ltd. . Description: Spotlights are used to create intense illumination in clear areas of stage, film, television, ballet and opera production. It is similar to a small searchlight, but usually has a shutter, iris and adjustable lens to shape the projected light. Colored light is produced by a mechanism for sliding or rotating a colored gelatin filter, even if it is later made of a gel, which is called a gel. The first dramatic spotlight was a spotlight (q.v.) that gave way to light sources such as arcs, discharges and incandescent lamps. The practical lens spotlight was developed in 1879 by Louis Hartmann of the United States.
Tracking spotlight project points can be easily changed to cover a large area or a small to human face. They are easy to turn to follow the performers on the mount.
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