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摄影最初的照明光源是太阳光,太阳光也是自然界中最完美的光源,自然界中的万千景物的色彩再现都是以太阳光下的色彩为标准的。然而太阳光受时间、气象条件环境的限制无法在任何时候都能应用。自从人类发明了电光源以后,这种情况才得以改变。但是,并不是所有的电光源都适合用于摄影照明。在摄影照明中,人们总是尽可能地力求电光源的发光效果和色彩表现与标准的太阳光一致,以获得最佳的色彩表现。自从爱迪生发明了世界上第一只钨丝白炽灯至今电光源
Photographic initial illumination source is the sun, the sun is also the most perfect light in nature, thousands of scenes in nature color reproduction is based on the color of the sun as the standard. However, the sunlight can not be applied at any time due to the limitation of time and meteorological conditions. This has changed since humans invented electric light. However, not all electric light sources are suitable for photographic lighting. In photographic lighting, people always try their best to make the light-emitting effect of electric light and the color performance consistent with the standard sunlight in order to get the best color performance. Since Edison invented the world’s first incandescent tungsten filament electric light source