认识白平衡（Understanding the white balance）.docVIP

认识白平衡（Understanding the white balance） Understanding white balance.Txt Understanding the white balance Sometimes we encounter pictures with incorrect colors, such as yellow and blue, because of the problem when the camera detects the color temperature. The color temperature (Color Temperature), literally solution is the color temperature, so the temperature of the warm tone, from the intuitive observation, reddish yellow, cold tone partial cyan, the unit is in Kelvin (K) said. If you turn on the cameras settings option, the white balance (WB) has the option of adjusting the color temperature. Then you might be asking why color temperature is placed in a place called white balance. Why not simply call color temperature? This is because there is a color concept behind. What is warm? What is cold? We will encounter different types of light in daily life, general sun light, lamp light, light tube light, candle light and other common in the field of photography color temperature, usually ranging from 2000K to 5000 - 5600K - 10000K, neutral color, such as the sun at noon time. Warm low color temperature, see more red light, such as light candles and bile lights, about 2000 - 3000K; and cool colors for high color temperature blue see more about 7000K or more, such as cloudy Miyun under light. Different light sources produce different color temperature, which will affect the color of the illuminated object. The fireworks are special, because the light is constantly changing, but the color of warm, but also to consider The background of the buildings tonal rings, so it is recommended to set the color temperature value between 3000 -5000k. White balance - looking for the white of the photograph The human eye has a high sensitivity in color recognition, and can identify white objects in most cases. But the cameras photosensitive component is not as good as the human eye, if it deviates from the neutral color temperature is too far, can not be corrected in the sense, will make