The Color Rendition Index

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Issue:

Science

 

Written by:

Alyce Z

 

Date added:

October 22, 2016

 

Level:

University

 

Grade:

A

 

No of pages / words:

3 / 837

 

Was viewed:

1513 times

 

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Essay content:

The color rendition index is measured by comparing the color rendering of the test source to that of a perfect source which is generally a black body radiator, except for sources with color temperatures above 5000K, in which case a simulated daylight (e.g. D65) is used. For example, a standard cool white fluorescent lamp will have a color rendition index near 63...
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D65) is used. For example, a standard cool white fluorescent lamp will have a color rendition index near 63. Newer fluorescent lamps often claim a color rendition index of 80 to 90. Color rendition index is a quantitatively measurable index, not a subjective one. A reference source, such as black body radiation, is defined as having a color rendering index of 100 this is why incandescent lamps have that rating as they are, in effect, almost black body radiators, and the test source with the same color temperature is compared against this...
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