artificial daylight

Definition: Illumination that approximates natural daylight in its spectral properties (a) for photo-sensitive materials e.g. 'blue' flash-bulbs or (b) to deliver a colour rendering index close to that of daylight e.g. daylight flourescent lamps. When daylight's green Daylight flourescent lamps may produce light that seems cool and white, with good rendering of colours, but colour film thinks different. It will still need filtration or correction after scanning.

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