The distance from a lighting fixture to the object being lit.
A wall-mounted pipe for mounting lighting fixtures.
Lights mounted Upstage of tormentor. (hard of soft masking) Set stage right and stage left just upstage of the proscenium.
The process of the eye adapting from viewing an area at one level of light to an area of higher or lower level.
The ability of a medium to allow for the transmission of light.
The height from the stage floor at which a batten is set.
A sturdy, lightweight support structure.
An item comprising two connectors that are of the same type and sex, electrically connected together.
A special power cord that has one male connector electrically connected to two female connectors via two separate cables.
The area on stage farthest from the audience.
Even, overall light on performance space or background.
The power consumed by a circuit.
An optical system where the lenses adjust.