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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 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.
A spotlight is any lighting instrument used in theater to create a pool of light on the stage. [18] There are many different types of spotlights which break down into three general areas: Fresnel lanterns or Fresnels (US) are small fixtures giving a soft-edged spot or pool of light. Their name comes from the distinctive ridged Fresnel lens used ...
High End System's manufactured the Colormerge as a color mixing unit made to be used with the ETC Source Four ellipsoidal fixture. Unlike a traditional color scroller, it is installed inside the unit between the lamp assembly and shutters. It provides CMY color mixing via dichroic glass plates, controlled thorough DMX512. It was discontinued in ...
The Light Console was the first remote control theatre lighting console, while Pattern 23 (the first mass-produced spotlight) and Pattern 264 spotlights were further creations. [3] The company incorporated as Strand Electric Holdings in 1936. [4] [5] In 1968, Strand Lighting was purchased by The Rank Organisation and thus became Rank Strand. [1 ...
A portable power bank charging a mobile phone. A power bank is a portable device consisting of a battery, a charger to interface battery with charging power source and an output interface to provide desired output voltage. [10] Power banks are made in various sizes and typically based on lithium-ion batteries.
Height of package from pin tip to top of package. T Thickness of pin. L Length of package body only. L W Pin width. L L Pin length from package to pin tip. P Pin pitch (distance between conductors to the PCB). W B Width of the package body only. W L Length from pin tip to pin tip on the opposite side.
Klieg lights. A Klieg light is an intense carbon arc lamp especially used in filmmaking.It is named after inventor John Kliegl and his brother Anton Kliegl.Klieg lights usually have a Fresnel lens with a spherical reflector or an ellipsoidal reflector with a lens train containing two plano-convex lenses or a single step lens.