When was the spot light invented?
Views: 258 Author: Site Editor Publish Time: 2019-04-29 Origin: Site
Spotlight, device used to produce intense illumination in a well-defined area in stage, film, television, ballet, and opera production. It resembles a small searchlight but usually has shutters, an iris diaphragm, and adjustable lenses to shape the projected light. Coloured light is produced by a mechanism for sliding or rotating coloured gelatin filters, called gels even though later made of acetate, into the beam. The first theatrical spotlight was the limelight (q.v.), which gave way to such light sources as the arc, electric discharge, and incandescent lamp. The practical lensed spotlight was developed in 1879 by Louis Hartmann of the United States.
Follow spotlights project spots that can readily be changed to cover a large area or one as small as a human face. They turn easily on mounts to follow performers.After these years, technology has been improved a lot.
In this case, I think of two kind of our exellent products in different sizes.
 After we developing the 20W Mini Led Profile Spot Light, now we can making a new model DMX Mini Profile Light with less consumption of 20W. This mini LED profile spot is a perfect projector for small and medium scale applications in museums, art-galleries, stores, lobbies, etc. Due to the small size, we make a mini profile with DMX signal and wireless control by the controller, two version can be option. It is available in four field angles: 19°, 26°, 36° and 50°. |
 The energy saving 20W warm white LED (3200K or 5600K, CRI >90) assures a excellent light output and long life. And the 2in1 version can be from 3200K to 5600K variable-white light that looks just like natural sunlight and mimics the performance of tungsten fixtures. Their temperatures and tints can be tweaked to perfectly illuminate individual skin tones, so they look great in person and on camera. |
The 20W Mini Leko Light lamp is Import Led, with high CRI and bright effect. The power supply is out of the lighting case of external power supply, and stick with the handle. For the cooling, we use the thick aluminium die casting, to make sure the led chip will not be too hot to be damaged. The lighting is high-quality optical system with glass reflector. It is designed for applications in commercials, museums, restaurant, churches, educational theatres, and any other installation where size is an important factor |
The power supply is from 100~240V with PFC protect, can protect the power well, for the theatre use, the products no fans and without any noise, it's very quiet and hardly to hear any voice. Next time I will introduce "the big guy":400W RGBAL Die casting Aluminum LED Profile Spotlight. |
