Wash and Profile Fixtures
Data and Control
Accessories
Light!
Anatomy of a Fixture
100

The acronym for this light stands for Parabolic Aluminized Reflector.

PAR

100

This device increases or decreases voltage to a light to adjust its intensity

Dimmer

100

These are metal discs with pieces cut out, which slide into the barrel of a light to create different shapes and patterns.

Gobos

100

All lights start as this, which spreads light evenly in all directions

A point source

100

This piece of equipment allows us to hang a light fixture on a grid or pipe. And if it fails, this second piece keeps it from falling on our heads.

A c-clamp and a safety cable

200

This profile fixture is used to highlight movement on stage

Followspot

200

These programmable moments or 'looks' contain various lighting effects

Cues

200

These sheets of polymer plastic sit front of a beam of light to change its color.

Gels

200

These are the most commonly used lamps in theatrical lighting

Tungsten Halogen Lamps

200

These two pieces attach the c-clamp to the fixture

Yoke and yoke bolt

300

This wash fixture gets its name from the large white curtain it is typically used to project colored light onto

Cyc lights

300

This programmable device allows the user to control lighting fixtures, as well as housing all cues and patch data for a show

A lighting board

300

These different shades of white live on a spectrum from warm to cool and are measured in Kelvin.

Color temperature

300

These energy efficient, cool-operating lights are a versatile if costly alternative to conventional lights.

LEDs

300

This houses all the internal components of the light

The body

400

The Lighting Lab used many mini versions of this kind of profile fixture.

Source 4 ERS

400

This protocol is the standard for lighting control, and carries a unidirectional signal with 512 unique addresses

DMX 512

400

These two brands are some of the most prominent manufacturers of gels

Rosco and Lee
400
The ERS in Source 4 ERS is an acronym which stands for what?

Ellipsoidal Reflector Spotlight

400

The pane of glass bends and shapes the beam of light

Lens

500

This was fixture is  named for its unique plano-convex lens.

Fresnel

500

The commonly used acronym DMX 512 stands for this

Digital Multiplex

500

This material is used to make the bulbs for theatrical lamps due to its greater heat resilience than glass

Quartz

500
ETC Eos, our primary lighting control software, runs on this operating system

Windows

500

This piece lives inside the light and redirects light, turning point light and directional light

Reflector

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