Types of Instrument
Parts of a C Clamp
Safety
Controllable Variables of light
Primary and secondary colors of light
100

A non lensed instrument with an asymmetrical reflector

Cyc Light

100
Loosening this screw allows the instrument to pan left and right

Pan screw

100

This command is used to signify that something is happening above you. Watch Out!

Heads

100

This variable refers to the placement of the light in relation to the subject it is lighting

Direction

100

The three primary colors of light are

Red, Green, Blue

200

Lens characterized by one flat and one outwardly curved surface

Plano Convex

200

This bolt holds the C-clamp to the yoke

Yoke bolt

200
Across all theatrical disciplines this command means "Stop"

Hold!

200

This variable refers to how uniform the light is, or is it broken up with shadows?

Texture 

200
Red and Blue light combine to make this secondary color
Magenta
300

By utilizing a plano convex lens this type of instrument can be used to project shapes with sharp well defined edges. 

Ellipsoidal Reflector Spotlight

300

This bolt when tightened holds the c- clamp to a batten or pipe

Pipe bolt

300

Before you turn of the lights, its best to notify everyone with this warning

Going dark

300
This variable refers to how much light is present

Intensity

300

Blue and Green light combine to make this secondary color

Cyan

400

This instrument is named after the lens it uses. A lens comprised of concentric rings cut at varying angles to direct the light into a soft focused spot.

Fresnel

400

This metal pipe is outwardly smooth but is threaded on its interior. It is what secures the yoke bolt to the C clamp.

Shaft
400

Accessory used to back up the primary attachment of an instrument to a pipe

Safety Cable

400

This variable refers to the time it takes for a light cue to change

movement

400

Red and Green light combine to make this secondary color

Yellow

500

This type of instrument utilizes a glass lamp which contains a filament. The filament glows emitting light and heat when electricity is passed through it.

Incandescent or Tungsten Halogen Instrument

500

Hanging an instrument at an angle away from a batten. For example all the instruments on are cat walk are...

Yoked out
500

Before replacing the lamp inside an instrument, or the blade of a saw, the equipment must be disconnected from its power source or 

De-energized

500

This variable can sometimes referenced using degrees kelvin

Color

500

The last primary color of light to be produced by an Led was this. Allowing the creation of viable white led light.

Blue

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