Even though human eyes behave like miniature cameras, the film or digital sensors that cameras use to measure the level of light are not as forgiving as our eyes when it comes to perceiving natural colors in various lighting environments. Understanding the composition of white color light has numerous applications in photography, film-making and light design consultation.
What is Color Rendering Index (CRI)
CRI measures on a scale of 0 to 100 how a light source shifts the location of eight specified pastel colors compared to the same colors lit by a reference light source of the same CCT. A CRI of 100, or perfect color rendering, means the light source renders the eight colors exactly how the reference light source renders them.
Energy Efficient Lighting Basics
Modern energy efficient lighting technology is rapidly evolving and is creating opportunities for U.S. businesses and consumers alike to save money and the environment. Lighting represents about 20% of all electricity use in the United States with the cost to businesses and consumers topping $50 billion a year, according to the Department of Energy (DOE). That’s the same dollar amount … Read More