- The simple ability to see what is occurring onstage
. Used . . Used . ...5000 - 10000 Lumens
- A projector that produces 5000 - 10000 lumens of light.. Used . . Used . ...Color Changers
- A conventional lighting fixture with a remotely controlled colored changeable filter over the lens. There are three kinds of mechanisms used in color changers, a wheel with lens sized holes into which. Used . colored gells can be placed, multiple fixed filters that can be moved in and out of the beam to mix the colors and a scroller which uses continuous, usually dichroic, filters to mix an even . Used . greater number of colors.
- A lens arrangement designed to decrease chromatic aberration, for example: to set the same focal length for red and blue light at the focal plane. Also, a color having no chroma as in black, white and. Used . grays created by mixing black and white instead of other colors that are made of chromatic pigments.. Used . ...Absorption
- A surfaces ability to absorb sound. Absorption is rated from 0 to 1.
Full absoption is 1. Full reflection is 0. . Used . . Used .