Anonymous, 15 July 2008 14:05
A Kelvin is a measurement unit of colour temperature devised by the scientist Lord Kelvin during the 19th Century. The Kelvin unit of measurement is used most often by scientists while Celsius and Fahrenheit are more common in everyday life (The zero point of the Kelvin scale is equivalent to -273.16 °C). Light units such as studio and on-camera flash ...