CRI, R9 & R13

CRI, measured on a scale from 1 – 100, indicates how accurately a given light source renders colors in the space it illuminates. Full spectrum light sources like natural light and incandescent (halogen) bulbs have a CRI of 100. Natural white light from the sun is a combination of all colors in the visible light spectrum. Every color is equally represented in a beam of natural light, so it renders the colors of objects accurately.

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