Q: Just as I understand the concept of color temperature (Kelvin), now CRI is being bandied about as LEDs come into the market. What is it exactly? A: I am right there with you. From the beginning of ...

Daylight emulates natural sunlight at high noon with a light blue tint at 5000 Kelvin. What is Kelvin? Lighting designers refer to degrees of Kelvin to measure the light’s color temperature. When an ...

Understanding color temperature is not a daunting task. What can be intimidating is being on location and needing to deal with a range of different temperatures at once. The camera can only be set to ...

Color correction factors are usually quoted in Mireds, a measurement system with long history in color photography. Mired is an acronym for Micro Reciprocal Degree, a measurement derived by dividing ...

imaging a "white" light source of a different color temperature. What calculations would be required to white-balance the pixel data, and to determine the true color temperature of the light source?