2009

Color group
Light Pick a common lamp specification to approximate the spectral character
of your light. The color swatch next to the Kelvin parameter is updated to
reflect the light you select.
These are the options when you specify color using the Light drop-down list:
■ Cool White
■ Custom
■ D65White (the default)
■ Daylight Fluorescent
■ Fluorescent
■ Halogen
■ High Pressure Sodium
■ Incandescent
■ Low Pressure Sodium
■ Mercury
■ Metal Halide
■ Phosphor Mercury
■ Quarts
■ White Fluorescent
■ Xenon
NOTE The default choice, D65White, approximates a midday sun in western or
northern Europe. “D65” is a white value defined by the International Commission
on Illumination (CIE).
Kelvin Set the color of the light by adjusting the color temperature spinners.
The color temperature is displayed in degrees Kelvin. The corresponding color
is visible in the color swatch next to the temperature spinners.
Filter Color Use a color filter to simulate the effect of a color filter placed over
the light source. For example, a red filter over a white light source casts red
light. Set the filter color by clicking the color swatch to display the
Color
Selector
on page 391. Default=white (RGB=255,255,255; HSV=0,0,255).
5038 | Chapter 18 Lights and Cameras