low voltage uplight often used to conceal set pieces
hidden trapdoor concealing outlets on stage or a lacquer used to tint bulbs or lighting set up at stage level
metal flag used to block a beam of light
metal plate inserted into lanterns to sharpen focus
Iodine light used in followspots.
comes from upstage or from behind actors.
lighting effect when swinging a spot beam in a figure 8
material used to prevent light from spilling into another area or to reduce sound reflection
flaps on the front of a Fresnel that are adjusted to control the beam.
The distance between a lighting source and what is being lit.
Digital Light Curtain "DLC"
remote-controlled batten with color changers
loudspeakers flown in for a performance
Artic / Articulated Lorry
Used to transport required items (props, costumes, technical equipment) in traveling productions
aspect of moving light that can be controlled
analog to digital converter used in computer soundcards
code used by the Lighting Industry Forum to indicate recommended usage of lanterns
lighting bar set downstage of the proscenium
Ampere / Amps
measurement of electrical current in a circuit
light with tight beam that produces intense light
headsets used to communicate backstage
sequence of cues to change lighting
imaginary line down middle of stage
all-encompassing term for lighting equipment
level of illumination on a surface
device that creates the sound of an explosion
Natural Density Filter
Used to decrease light's intensity without changing color
when sound is distorted because an amp is too weak
FOH communication that house is ready
Compact Iodide Daylight "CID"
high intensity lamp that simulates daylight
speakers used in addition to main sound system
compensates for holes in key lighting
waving hands in front of beam to find where focus is on stage
abstract gobo - provides non-specific texture
flash in light - often a cue
Gel that's melted or lost its color
used to bolt down scenery
list of colors needed for a lighting plan
refers to colors mixed in moving lights
blocks all but one color from coming through
when two colored beams are focused on one area
lamp that uses a parabolic reflector for high-intensity
has two sets of shutters
face the audience to prevent them from seeing backstage
filter that stretches light in different directions
mounted in ellipsoidal reflector - produces soft-edged, circular beam. Used as floodlight.
main source of lighting
Flank actors. Enhance 3-D look
part of lamp where lamp holder sits
intense light - used for special effects
lamp with frosted finish that diffuses light
focuses a small beam on a specific spot
record indicating exact focus of all lanterns
Powered by battery, so not practical until invention of generator.