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Social Media Manager, Public Speaker, and Life Coach in Calgary, AB, Canada
In the year 1952 a man by the name Lester A. Dine invented the Ring Light, it was originally invented for the use of Dental photography. It is a circular light that fits around the lens or the protective glass of the source. By surrounding the lens or the protective glass, an equal distribution of the light with fewer shadows obtained. This is very useful in so many applications especially when shooting photos of small objects. A typical Ring Light consists of two main units, power unit and light source unit. The power unit could be a battery or a power pack. The light source unit is a circular shape group of small lights surrounding the lens of the light. Some of them have a diffuser or a focusing lamps.
LED (Light Emitting Diode) is a semiconductor light. It works by recombining electrons with electron holes within the device releasing energy in the form of photons (bright illumination). Early LEDs emitted red light with low intensity but as the technology progressed, they offered many different colors of light with high intensity. For example red, blue, green yellow and orange.