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CIE Lighting Body and Standard Illuminant
07 Sep, 2012 455

CIE Lighting Body and Standard Illuminant

When you measure the photometric and chromaticity properties of optical system, it must be under the uniformly prescribed light source, the test result can be compared with each other. In order to unite the measurement standards, the International Commission on Illumination (CIE) provides the lighting body and standard illuminant. The definition of “illuminant” and “lighting body” by CIE s...

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