Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
127 Cards in this Set
- Front
- Back
|
Figure 8 Knot |
stopper knot used to keep lines from running through a pulley or shiv |
|
|
Square Knot |
used to tie the two lines of the same diameter together |
|
|
Bowline Knot |
a non-slip loop used to raise and lower lighting instruments |
|
|
Clove Hitch |
used to tie a line to a pipe |
|
|
Dimmer |
electrical device that controls the intensity of a light source connected to it |
|
|
Control Board |
console containing controls for a number of dimmers |
|
|
Cable |
electrical extension cord used to connect instruments to dimmers or instruments to dimmers or instruments to permanent stage circuits |
|
|
Instuments |
lighting fixtures designed for use in the theatre |
|
|
Color Media |
plastic or glass materials used to color the light emitted by lighting instruments |
|
|
Lighting Designer |
person responsible for the appearance of the lighting during the production |
|
|
Production Concept |
creative interpretation of the script that will unify the artistic vision of the production design team |
|
|
Focus |
location onstage where the light from an instrument is directed |
|
|
Douser |
mechanical dimmer with movable slats or an iris to block or allow light to pass |
|
|
Light Cue |
some type of action involving lighting |
|
|
Followspot |
lighting instrument with a high intensity, narrow beam of light; mounted on a stand that allows it to tilt and swivel so that the beam can follow the actor |
|
|
Moving Light Fixture |
lighting fixture that can be remotely controlled to move, change color/beam shape, and so forth (aka. intelligent light fixture) |
|
|
Production Design Team |
the producer, director, and scenic, costumes, lighting, and sound designers, who develop the visual and aural concept for the production |
|
|
Unit Set |
single set in which all the play's locations are always visible and the audience's attention is usually shifted by alternately lighting various parts of the set |
|
|
Sidelight |
any light striking the side of an object relative to the view of the observer |
|
|
Kinetic |
having to do with moving light |
|
|
Lighting Production Team |
personnel who work on lighting for a production |
|
|
Repertory Theatre |
company that presents several different plays alternately in one theater in the course of a season; adjustments are normally made to the focus and color of the lighting instruments for each play each time it is performed |
|
|
Changeover |
changing from one play to another in a repertory theater situation; involves exchanging sets, costumes, and properties and making adjustments to lighting and sound |
|
|
Look |
appearance of a particular cue; the way the light looks onstage |
|
|
Senographic Designer |
designer responsible for the entire artistic look of a production (scenery, costumes, lighting) |
|
|
Hanging |
process of placing the lighting instruments in their specified location |
|
|
Circuiting |
process of connecting a lighting instrument to its specific circuit |
|
|
Running |
controlling or operating some aspect of a production |
|
|
Pipe |
counterweighted batten or fixed metal pipe that holds lighting instruments or equipment |
|
|
Boom |
vertical pipe with a heavy base frequently equipped with horizontal crossbars; used as a hanging position for lighting instruments |
|
|
Lamp |
"light bulbs" used in stage lighting instruments |
|
|
Patch |
connect a stage circuit to a dimmer circuit (hard patch) or dimmer to a channel (soft patch) |
|
|
Gel |
insert color media in a color frame and place on a lighting instrument; color media made from gelatin or plastic |
|
|
Light Board |
generic term used to describe all types of lighting control consoles |
|
|
Cue |
directive for action; change in the lighting |
|
|
Fade |
increase (fade-up) or decrease (fade-out) the intensity of the light |
|
|
Patch Panel |
inter-connecting device that allows you to connect any stage circuit into any dimmer |
|
|
Repatch |
remove one circuit from the dimmer and replace it with another during a performance |
|
|
Mask |
block the audience's view |
|
|
Lens Train |
one or more lenses, placed at a specific distance from the source to create the desired angle of dispersion of the light |
|
|
Focal Length |
distance from the lens at which the light rays converge into a point |
|
|
Diffuse |
soften the appearance of the light by using a translucent filtering element to scatter the rays |
|
|
Conventional |
describes instruments that are not moving light fixtures |
|
|
Bulb |
Pyrex glass or synthetic quartz container for a lamp filament and gaseous environment |
|
|
Filament |
light-producing element of a lamp, usually made of tungsten wire |
|
|
Open Arc |
light source in which the two electrodes operate in the open air |
|
|
Microwatt |
one millionth of a watt |
|
|
Dielectric Material |
material that is a poor conductor of electricity but a good supporter of electrostatic fields; help focus the RF energy on the scaled bulb |
|
|
Full Spectrum |
containing all the colors of light in approximately the same proportions as sunlight |
|
|
Footcandle |
international unit of illumination; equals one lumen of light falling on a surface area of one square foot |
|
|
Throw Distance |
how far light from an instrument travels from its hanging position to the center of its area of focus |
|
|
Point Source |
theoretically- a light emanates from a single point that has no dimension |
|
|
Efficient |
a comparison of the intensity of light emitted by the lamp with the intensity of light emitted by the instrument |
|
|
Plano-convex Spotlight |
archaic instrument with a relatively hard-edged light quality; uses a plano-convex lens |
|
|
PAR |
parabolic aluminized reflector; sealed beam lamp with a parabolic shaped reflector covered by a thin, reflective, aluminum coating |
|
|
Dichroic Filter |
reflects unwanted wavelengths of light while allowing the desired wavelengths to pass through the filter |
|
|
Zoom Eclipse |
ellipsoidal reflector spotlight with movable lenses that allow the focal length to be changed |
|
|
Beam Angle |
point where the light emitted by an instrument is diminished by 50% compared to the output of the center of the beam |
|
|
Field Angle |
point where a fixture's light output diminishes to 10% of the output of the center of its beam |
|
|
Flat |
beam of light, the output of which is essentially smooth from edge to edge when measured perpendicular to the axis of the beam |
|
|
Peak |
beam of light, the output of which has a noticeable hot spot in its center when measured perpendicular to the axis of the beam; reading taken at the center of the hotspot |
|
|
Shutter Cut |
straight-line edge created when an ERS's shutter is inserted into its beam of light |
|
|
Color Frame |
lightweight metal holder for color media that fits in a holder at the front of a lighting instrument |
|
|
Gobo |
thin metal template inserted into an ellipsoidal reflector spotlight to project a shadow pattern of light |
|
|
Dremel Tool |
handheld router similar to a dentist's drill, which can be equipped with a number of bits for grinding, cutting, or carving of wood, plastic, and metal |
|
|
Iris |
device with movable overlapping metal plates used with an ellipsoidal reflector spotlight to change the size of the circular pattern of light |
|
|
Barn Door |
accessory for a fresnel spotlight whose movable flippers are swung into the beam to control in |
|
|
Top Hat |
accessory for a fresnel spotlight that masks the beam to create a smaller circular pattern of light; prevents flare and spill |
|
|
Cyclorama |
large expanse of cloth or drop used to surround the stage (aka. cyc) |
|
|
Roundel |
glass color medium for use with spotlights; has diffusing properties |
|
|
Shutter |
lever-actuated device used to control the height of the top and bottom edges of a followspot beam (aka. chopper) |
|
|
Transformer |
changes the voltage in a electrical system |
|
|
Step-down Transformer |
output voltage is lower than its input voltage |
|
|
Overhung |
lighting fixture that is "standing up" on a pipe |
|
|
Underhung |
hung beneath |
|
|
Tab Pipe |
pipe in the wings, running downstage to upstage; often used for hanging masking and/or lighting equipment |
|
|
Dead-hung |
anything suspended directly from the grid without an mechanical means of raising or lowering it |
|
|
Grid |
pattern of metal beams above the stage to which the flying system is attached |
|
|
Pin Rail |
catwalk |
|
|
Proscenium Stage |
the spectators watch the action through a rectangular opening that resembles a picture frame |
|
|
Thrust Stage |
projection into and surrounded on three sides by the audience |
|
|
Arena Stage |
completely surrounded by the audience |
|
|
Aircraft Cable |
strong, flexible, multistrand, twisted metal cable; breaking strength of one ton |
|
|
First Ante-proscenium (AP) Cut |
hanging position for lighting instruments closest to the proscenium arch (aka. beamport) |
|
|
Third Pipe |
third batten upstage of the proscenium arch that holds lighting instruments |
|
|
Rental House |
business that rents stage lighting equipment |
|
|
Gaffer's Tape |
cloth tape |
|
|
Two-fer |
electrical Y that has female receptacles at the top of the Y and a male plug at the bottom leg of the Y; used to connect two instruments to the same circuit |
|
|
Work Light |
lighting fixture, frequently a scoop, PAR, or other wide-field-angle instrument, hung over the stage to facilitate work |
|
|
Multicable |
number of individual conductors enclosed in a single heavy-duty cable |
|
|
Load-in |
physically moving the scenery and show equipment into the production location |
|
|
Load-out |
physically moving the scenery and show equipment out of the production location |
|
|
Socapex Connection |
19-pin connector used with multicables |
|
|
Breakout |
used to "break" the individual circuits inside the multicable into individual cables equipped with female receptacles |
|
|
Breakin |
used to consolidate the male-plugged individual circuits into a female Socapex connector that is connected to a multicable |
|
|
Drop Box |
small connecting strip containing four to eight circuits |
|
|
Wall Pocket |
connecting box similar to a floor pocket but mounted in the wall |
|
|
Floor Pocket |
connecting box mounted flush with the stage floor |
|
|
Legitimate Theatre |
plays that rely on the spoken word to convey their message |
|
|
Concert |
touring rock and country shows |
|
|
Club |
night clubs in which high energy music is the prime attraction |
|
|
Pan |
to rotate horizontally |
|
|
Tilt |
to rotate vertically |
|
|
Show Rig |
fixtures used on a lighting design |
|
|
Daisy Chain |
to connect one another in a continuous line |
|
|
Profile |
fade profile is a linear, graphic representation of a fade |
|
|
Zoom |
widening and narrowing of the cone of light emitted by the instrument |
|
|
Effect Lens |
specialty lenses mounted on a gobo wheel or an effect wheel |
|
|
Prismatic Lens |
surface pr interior of the glass is scored or beveled to create the desired effect |
|
|
Flag |
inserted into a beam of light to color, shape, or dim light |
|
|
Strepper Motor |
electric motor whose movement consists of discrete angular steps rather than continuous rotation |
|
|
Relay |
electro-mechanical device in which the low-voltage circuits is used to control the opening and/or closing of contacts in a high-voltage on/off system |
|
|
Heat Sink |
metal device used to draw heat away from heat-sensitive electronics and vent it to the air without the use of fans |
|
|
Fog |
generated smoke effect that typically dissipates relatively quickly |
|
|
Haze |
generated smoke effect that typically lasts longer than fog |
|
|
Fog Fluid |
specialized liquid, normally composed of glycol and various additives, used in fog or haze generators |
|
|
Truss |
engineered structure suspended above the stage or auditorium, used as a hanging position for lighting equipment |
|
|
Truss Tower System |
truss supported on both ends by towers |
|
|
4 Functions of Lighting |
-Visibility -Focus -Mood/Atmosphere -Modeling |
|
|
Intensity Equation |
I=1/D^2 I= Intensity D= Distance |
|
|
Problems with Plano Convex Leses |
-Hard Edge (can't blend) -Blue Halo -Lenses break when too close to lamp |
|
|
Problems with Fresnel Lenses |
-Permanently soft edge |
|
|
Pros and Cons of Parcan |
Pros -inexpensive Cons -not a lot of control |
|
|
Pros of Cyc |
-Throws wide beam of light over a short distance |
|
|
Tungsten Halogen Lamp |
-no more sooty look on the inside of the bulb -longer lamp life -most common |
|
|
Pros and Cons for Encapsulated Arc Lamps |
Pros -Blue White Light (less amber than Tungston Cons -Not electrically dimable -Needs minimum amount of electricity to make spark -Can't be switch on and off quickly |
|
|
Pros and Cons of LED (Light Emitting Diods) |
Pros -lowest maintenance -long lasting -can directly change color -don't get hot -more light for the power Cons -more supernatural lighting -issues with color spectrum |
