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Many fixtures use a lens to help control the beam of light, though some, such as border or cyclorama lights, do not have any lenses or optics other than the reflector. The lens and the reflector, along with other beam-altering devices, are both considered part of the optics system.
Scoop (theater) In stage lighting, an ellipsoidal reflector floodlight (sometimes known by the acronym ERF which is often pronounced "erf"), better known as a scoop, is a large, simple lighting fixture with a dome-like reflector, large high-wattage lamp and no lens. It consists almost entirely of a lamp in the center of a big curved metal (or ...
Stage lighting is the craft of lighting as it applies to the production of theater, dance, opera, and other performance arts. [ 1] Several different types of stage lighting instruments are used in this discipline. [ 2] In addition to basic lighting, modern stage lighting can also include special effects, such as lasers and fog machines.
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 optics of an ERS instrument are roughly similar to those of a 35 mm slide ...
A parabolic aluminized reflector lamp ( PAR lamp or simply PAR) is a type of electric lamp that is widely used in commercial, residential, and transportation illumination. It produces a highly directional beam. Usage includes theatrical lighting, locomotive headlamps, aircraft landing lights, and residential and commercial recessed lights ...
t. e. A Lekolite (often abbreviated to Leko) is a brand of ellipsoidal reflector spotlight (ERS) used in stage lighting which refers to the half- ellipsoidal dome reflector within which the instrument's lamp is housed. Introduced in 1933, [ 1] it was developed by Joseph Levy and Edward Kook, founders of Century Lighting, which eventually became ...
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