What kind of knowledge do a good stage lighting engineer have to know?

The stage lighting design is definitely not to say that the dimming station will be turned on, or that the switch will be a lighting engineer. A good lighting engineer is not only a technician, but also an optimal combination of various types of lighting, such as how to apply a moving head light and a par light or a matrix light to the same scene at the same time.

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To become a stage lighting engineer, you still have to start from many basic aspects. First of all, you should be familiar with lighting equipment, and learn the corresponding optical knowledge, including moving head light, matrix light, wall washer, par light, cob, Spot light, you must master the basic principles of light color, color temperature, spectrum, incidence, reflection, scattering, superposition, attenuation, etc. The characteristics and usage of the equipment should be well known. At the same time, it is also important to understand the direct psychological effects of color, which directly affects the lighting professional’s professionalism on the stage.

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The direct psychological effect of color comes from the direct influence of physical light stimulation of color on human physiology. Psychologists have done many experiments on this. They found that in the red environment, people’s pulse will speed up, their blood pressure will rise, and their emotions will be excited. In the blue environment, the pulse will slow down and the mood will be quieter. Some scientists have found that color can affect brain waves, brain waves are alert to red reactions, and blue responses are relaxed.

Warmth of color
Cool color and warm color are the physical classification of color according to psychological illusion. The material impression of color is roughly produced by two colors of cold and warm. The long wavelength of red light and orange and yellow light have a warm feeling, and the sub-light will have a warm feeling when it is irradiated to any color. On the contrary, purple light, blue light, and green light with short wavelengths have a cold feeling. Color itself does not have the physical temperature. Because of human psychological factors and thinking associations, when people see red, they must be connected with fire, the sun, etc., and form a psychological warmth when people see blue. It will associate with water, ice, etc., and thus produce a cold psychological reaction. This color’s psychological warmth and cold reaction is the warmth of color.

On the stage, in order to express a warm and festive atmosphere, in the stage area, red light can be used as the main type of orange and pink to form a warm tone, while in the sky and sidelights, a little blue light and green light are used, which not only does not dilute the warm color. The tone of the tone, but because of the contrast between the colors, the warm tone of the tone is more vivid, the color tone is more artistic appeal.

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Color sense of distance
People’s visual habits of color will also produce a sense of distance. Objects of different colors are at the same distance, but people’s visual perception is different. When the eyes are stimulated by color light, the longer wavelength light will be behind the retina. The focus is integrated, and the shorter wavelength light is in the front right of the retina. The self-adjustment of the eye lens makes the longer wavelength light look closer, and the shorter wavelength light looks farther. As a result, there is a difference in feelings between the distance and the forward and backward. Therefore, the warm color gives people the feeling of moving forward, and the cool color gives the feeling of being away from the past.

The sense of distance sensation of color is also affected by the background tones.
Therefore, in the stage design, the lighting engineer should pay attention to adjust the distance between the lamps and people, and cooperate with different environments to create different stage effects.

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Post time: Nov-14-2019

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