Ch. 19 - Lighting Vocabulary

Created by GWinter55 

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Barn Doors

Usually used with Fresnel's to control the beam of light with moveable flaps.

Batten/ Teaser Batten

Metal pipe that holds batterns. There are two essential batterns in lighting; the teaser batten that is hung upstage of the teaser curtain, and another batten hung upstage to light up the backdrop.

Border Lights/ Strip Lights

Long, narrow metal enclosures that house a row of lamps and reflectors. They provide general illumination. They can also creat tone lighted areas without changing contrast or emphasis provided by specific spot lighting.

Crosslight

Prevents shadows on actor's face. You can prevent this by placing two spots on opposite side of the stage at a 45 degree angle. To focus aim center of light poolat actor's face, positioned in each lighting area. Don't aim at floor or scenery; it can also enhance natural shadows and headlights. Lights on one side of stage should be warmer color than the other side which gives a natural 3D appearance to the actor's face.

Dimmers

Can change level of lighting intensity, should be connected to all instruments. It can be controlled manually or electronically.

ERS (Ellipsoidal Reflector Spotlight)

Features plano-convex lens, tubular lamp, oval-shaped reflector. Good for light that must be thrown a great distance. Beams cast diffused or soft-edged light pools. Blend easily with other lighted areas. Used onstage.

Floodlight

Illuminate or flood broad areas of the stage.

Followspots

Produce strong beam of light that follows actor while she/he moves about stage.

Fresnel

Rigid lens, tubular lamp, parabolic mirror reflector, oval-shaped reflector. Good for light that must be thrown a great distance. Beams cast diffused or sort-edged light pools. Blend easily with other lighted areas. Used onstage.

Gelatins (Gels)

Transparent color sheets inserted into frames that mount in front of spotlights and floods. They come in a variety of colors and are expensive. However, they need to be replaced often and become brittle and faded with use.

Gobo

Metal sheet with punch out design, can be placed inside ERS to make a patterned or textured effect.

Housing (Metal Framework)

Encloses unit and holds gels.

Lamp (Bulb)

Produce light.

Lens

Focuses and shapes light.

Lighting Control Board

Unit that controls the operation of lights and dimmer board.

Pin Connectors

More expensive. Must be tied with over hand knot to ensure connection; this makes them much more durable then Twist-Locks.

Reflectors

Reflects light and throws it onto area to be lighted.

Roundels

Color glass disks used in strip lights instead of gels or plastic. Give off intense color, so they must be shown with lower illumination and make blending more difficult.

Scoops (Floodlights)

Large lamps (500-1000 watts), mounted in open face housing. Don't have a lens. Equipped with yokes for hanging the units. Provide a soft, widely diffused light, perfect for back drops or background behind doors and windows.

Shutters

Used in housing of some light to shape beam of light.

Spill

Unwanted light leakage.

Spotlights

Produce focused illumination.

Tableau

Intersting visual effect. Group of characters form silent frozen picture, and light the actors from overhead.

Twist-Lock Connectors

Provides safe connection without worry of pulling connectors apart.

Visibility

Number one requirement of stage lighting. Too much lighting with create a glare. However, too little lighting makes audience strain to see. The goal for the lighting designer is to create a balance of intensity that allows the audience to see without being overly aware of lights.

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