Question:
What does “CCT” stand for, and what does it mean?
Answer:
CCT stands for Correlated Color Temperature and is measured in (degrees) Kelvin. As an example, 2700K is a warm color.
The higher the Kelvin, the cooler the light color is. 6000K or more is considered daylight color.
Question:
What is CRI?
Answer:
The Color Rendering Index (CRI) is a scale from 0 to 100 percent indicating how accurate a light source is at rendering color (showing the “true” color of an object) when compared to a “reference” light source. The higher the CRI, the better the color rendering ability.
Question:
What is a foot-candle?
Answer:
One foot-candle of light is the amount of light that a candle generates one foot away.
Question:
What are lumens?
Answer:
A lumen is a unit of measurement of light and is equal to one foot-candle falling on one square foot of area.
Question:
What does L70 mean?
Answer:
L70 gives you a good idea of how many hours of useful life you should expect from the light source before it depreciates below 70 percent of its original lumens.
