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The discolored portion is oxidation of the stainless steel caused by the high temperature of the lamp, but the gobo is still usable. A glass gobo of the Earth, projected using a halogen projector A gobo being projected with beams of smoke. Gobos are used with projectors and simpler light sources to create lighting scenes in theatrical applications.
Many memory consoles have a bank of faders. These faders can be programmed to control a single channel (a channel is a lighting designer's numerical name for a dimmer or group of dimmers) or a group of channels (known as a ""submaster""). The console may also have provision to operate in analog to a manual desk for programming scenes or live ...
A Source Four ERS with major parts labeled 20 PAR can lighting instruments. Stage lighting instruments (lanterns, or luminaires in Europe) are used in stage lighting to illuminate theatrical productions, concerts, and other performances taking place in live performance venues. They are also used to light television studios and sound stages.
Two projectors mounted in a special pedestal allowing twice the brightness. One projector can converge on green. ... (lenses, etc). Vision 1500 HDTV [16] Barco: 1990: ...
A Colortran ERS. An Ellipsoidal Reflector from a Leko Source Four ERS. Ellipsoidal reflector spot (abbreviated to ERS, or colloquially ellipsoidal or ellipse) is the name for a type of stage lighting instrument, named for the ellipsoidal reflector used to collect and direct the light through a barrel that contains a lens or lens train.
The fact that there's a parabolic reflector behind the light source is irrelevant. To project an image over distance requires a focusing lens after the image, just as slide projectors have. In fact the layout of a lighting instrument with a gobo isn't much different from that of a slide projector. Jeh 03:39, 28 August 2016 (UTC)