Forum Discussion
Gdetrailer
Apr 17, 2015Explorer III
Oldme wrote:
Mexicowanderer I found this on a lighting site.
Hope it Helps.
From http://www.fullspectrumsolutions.com/natural_lighting.htm
"Sunlight in its pure form has a kelvin temperature of around 5,000 degrees kelvin and a color rendering index of 100. As sunlight comes into contact with the earth's atmosphere and is reflected and refracted by water and dust particles the color temperature actually changes throughout the day ranging anywhere from 5,000 to 6,000 kelvin depending on the time of day and the amount of clouds in the sky. Artificial lighting sources within this range can appropriately be considered a natural lighting lamp as long as the color rendering index is above 90."
The problem is most artificial lighting has horribly terrible color rendering.. Often 80 or less..
You can find now days CFLs designed for studio and photography which often achieve 90 or better but they will also be 5000K-5500K..
LEDs, not so much as of yet for color rendering, hence LED specific filters..
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