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2. Color temperature - Wikipedia

   en.wikipedia.org/wiki/Color_temperature

   For shooting with daylight film (calibrated to 5600 K) under warmer (low color temperature) light sources such as sunsets, candlelight or tungsten lighting, a bluish (e.g. #80A) filter may be used. More-subtle filters are needed to correct for the difference between, say 3200 K and 3400 K tungsten lamps or to correct for the slightly blue cast ...

3. High-CRI LED lighting - Wikipedia

   en.wikipedia.org/wiki/High-CRI_LED_lighting

   CRI is calculated from the differences in the chromaticities of eight CIE standard color samples (CIE 1995) when illuminated by a light source and by a reference illuminant of the same correlated color temperature (CCT), commonly measured in kelvins, indicating the light color produced by a radiating black body at a certain temperature; the smaller the average difference in chromaticities, the ...

4. Daylighting (architecture) - Wikipedia

   en.wikipedia.org/wiki/Daylighting_(architecture)

   The useful daylight illuminance calculation is based on three factors—the percentage of time a point is below, between, or above an illuminance value. The range for these factors is typically 100–2,000 lux. Useful daylight illuminance is similar to daylight autonomy but has the added benefit of addressing glare and thermal discomfort. [44]

5. Standard illuminant - Wikipedia

   en.wikipedia.org/wiki/Standard_illuminant

   The CIE positions D65 as the standard daylight illuminant: [D65] is intended to represent average daylight and has a correlated colour temperature of approximately 6500 K. CIE standard illuminant D65 should be used in all colorimetric calculations requiring representative daylight, unless there are specific reasons for using a different illuminant.

6. Teddi Mellencamp's Sister Shares Emotional Update After Brain ...

   www.aol.com/teddi-mellencamps-sister-shares...

   Teddi Mellencamp is on the road to recovery.. The Real Housewives of Beverly Hills alum recently revealed that the symptoms that brought her to seek medical attention were actually signs of ...

7. Daylight harvesting - Wikipedia

   en.wikipedia.org/wiki/Daylight_harvesting

   Daylight harvesting systems use daylight to offset the amount of electric lighting needed to properly light a space, in order to reduce energy consumption. This is accomplished using lighting control systems that are able to dim or switch electric lighting in response to changing daylight availability.