Lighting. Saturday , February 18th , 2017 - 18:19:34 PM
1. The LED color rendering index used is too low, causing the emitted light to not reflect the true color of the object. (Light source on the object's color rendering capacity known as color, color rendering index Ra up to 100, the best color) The current LED color rendering index of 80-85, then, has been very good, can be used indoor lighting.
5.Focus lights these light have a light source thrown specially on the picture while the rest of the room is darker. This type of light is mostly used in museums where the sole role of the picture is to be admired by the visitor. This takes the attention from everything else in the room and has it focused exclusively on the picture. In most cases, such lighting can cause a dramatic change in the attractiveness of the painting.
The brightness of the LED is measured by the luminous intensity. The luminous intensity refers to the luminous intensity in the direction of the normal (for the cylindrical tube), that is, the luminous flux emitted by the unit solid angle, in candlelight (Candela, cd). As the general luminous intensity of LED is small, so the luminous intensity commonly used in Mendra (mcd) as a unit. In general, the light source will be different directions to different intensity of its luminous flux, in a specific direction of the unit angle generated by the visible light radiation intensity is called light intensity, referred to as axial brightness.
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