On Jul 11 , at 9:19 AM, Anthony O'conner (also known as barkatfish) wrote:
> Kelvins are used to define the color of the light. What about wavelength in > nanometres? Most lights (LED, CF as well as incandescent) give off ALL wavelengths of light, therefore it would be impossible to describe the light as having any one wavelength in nanometres. The Kelvin unit is a temperature unit. On light bulbs, it describes the distribution of all the wavelengths. The temperature refers to the distribution of wavelengths in a hot, glowing material that is heated to that temperature. It fits the incandescent bulb best because the incandescent filament IS a hot, glowing material. I think the Kelvin temperature equivalent for other types of bulbs must be some average approximation. Bill Hooper 71 kg body mass* Fernandina Beach, Florida, USA * finally down to my desired mass.
