GLOSSARY
Lumen - A measurement unit for brightness. Household light
bulbs typically produce approximately 800 - 1000 lumens.
Kelvin (K) - A measurement unit for color temperature.
Color temperature - Describes the color of a light source in
terms of warmth and coolness. It is measured in degrees of Kelvin
(K) on a scale from 1,000 to 10,000. Warm, yellowish light ranges
between 2700K-3000K, white spans 3000K-5000K, and cool,
bluish light measures over 5000 K.
Color Rendering Index (CRI) - Measures how accurately
a light source reveals the colors of the subject being illuminated
in comparison to that of an ideal light source (the sun or an
incandescent light). The index ranges from 0 to 100. A score
of 90 or more is considered excellent. Ring Light has a CRI of 94.
LED (Light Emitting Diode) - A semiconductor device that emits
light. LED lights are the most energy efficient of all light sources,
and emit less heat. Ring Light features white and yellow LEDs,
which together increase overall brightness, color temperature
range and color accuracy.
OSRAM - A world-renowned German lighting manufacturer
headquartered in Munich, Germany.
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