1. 1930s Ellipsoidals A historic year for stage lighting, 1933 brought with it the ellipsoidal reflector spotlight (ERS). ERS is defined as Ellipsoidal Reflector Spotlight (live stage lighting) somewhat frequently. Ellipsoidal reflector floodlight - How is Ellipsoidal reflector floodlight abbreviated? An Ellipsoidal reflector spotlight or Profile Spotlight (abbreviated to Ellipsiodal or ERS) is a light with a strong, well defined beam, and is very versatile.Leko and Source Four are two of the most common brand names of these lights. ellipsoid The … livedesignonline.com Vari-Lite Europe has taken delivery of its first VL1000™ ellipsoidal reflector spotlight units. End Prong Base A lamp base, 1/2" deep, with two … ERS (Ellipsoidal Reflector Spotlight) A lighting instrument characterized by hard-edged light with little diffusion; designed for long throws, the light beam is shaped with internally mounted shutters. 1930s Ellipsoidals A historic year for stage lighting, 1933 brought with it the ellipsoidal reflector spotlight (ERS). ERS definition / ERS means? 1 1.01 Phoenix Ellipsoidal Reflector Spotlight A. Bemærk, at Ellipsoide reflektor Spotlight ikke er den eneste betydning af ERS. An ellipsoidal reflector has two focal points; light rays originating at one focal point converge at the other. It is the angle of the primary light coming out of the front. The fixture shall be constructed of an all welded steel body with cast aluminum lamp housing and cap. What is ERS? -Ellipsoidal reflector spotlight 1) The quality of light produced by this instrument can be characterized as generally hard edged with little diffusion. It is Ellipsoidal reflector floodlight. Soft light comes from a light source that is large relative to the subject, whereas hard light from one that is small relative to the subject. Looking for abbreviations of ERF? Beam angle may refer to a non-hard edged light (such as a PAR) and refers to the area in which most of the illumination is supplied. In 1932, the Kliegl brothers installed their new ellipsoidal reflector spotlights in the Radio City. Ellipsoidal reflector floodlight listed as ERF. 2. Find out information about Ellipsoidal reflector spotlight. B) Physical 1. This rudimentary combination of source, reflector, and convex glass is the precursor to the optical assembly of the 19th-century limelight, the plano-convex spotlight and from there contemporary stage lights, especially the development of the ubiquitous ellipsoidal reflector spotlight and the fresnel spotlight. Changing the intensity of lights to come on or go off over a specified amount of time. What is the meaning of ERS? Definition. Common crawl The final data from a LiDAR survey is a great amount of planimetric coordinates, sorted by the points retrieved instant, and the corresponding ellipsoidal heights . (Officially a “gobo” is any object that cuts or shapes light.) How is Ellipsoidal Reflector Spotlight (live stage lighting) abbreviated? A spotlight that embodies an ellipsoidal reflector and framing shutters, and sometimes an iris and pattern slot. B. ERS stands for Ellipsoidal Reflector Spotlight (live stage lighting). source four) with shutters, accessory slot, gobo slot, and adjustable/changeable barrel. Definition på engelsk: Ellipsoidal Reflector Spotlight false Special lighting units made to light up painted backdrop or cyclorama are referred to as The Definition of ERS is given above so check it out related information. The unit shall have four The ERS, also known as ellipsoidal reflector spotlight, has fewer features and less flexibility than any other conventional fixture on the market. What type of lens is used in an ERS? Looking for Ellipsoidal reflector spotlight? The luminaire shall be a UL/C-UL Listed 750 watt max ellipsoidal reflector spotlight with a medium two pin socket, to accept an axially mounted tungsten halogen lamp, housed inside a double flatted Alzak aluminum reflector. There may be more than one meaning of ERS, so check it out all meanings of ERS one by one. Cookies help us deliver our services. Beam angle is what you see when you read Ellipsoidal degrees. ... Have a definition for Ellipsoidal Reflector Spotlight (ERS) ? A lighting unit consisting of a reflector, lamp, single or multiple lens system, and framing device; power requirements are 250-2000 watts. The ETC (Electronic Theatre Controls) Source Four (also known unofficially as Source 4 or S4 ) is an ellipsoidal reflector spotlight, a type of spotlight used in stage lighting. Ellipsoidal Reflector An ellipse is "a closed curve, generated by a point moving in such a way that the sum of its distances from two fixed points is constant." Diagram of an ellipsoidal reflector spotlight Any interruption of light at the gate can be precisely focused in the fixture’s projected beam; taking advantage of this fact, ERS gates house a template slot into which gobos may be inserted. Listen to the audio pronunciation of Ellipsoidal Reflector Spotlight (ERS) on pronouncekiwi. ellipsoidally synonyms, ellipsoidally pronunciation, ellipsoidally translation, English dictionary definition of ellipsoidally. Century Lighting). Ellipsoidal Reflector Spotlight Source Four 25º/50º. Search for: Join; Donate; Contact; My IES Portal; IES Bookstore; Sign In; MENU MENU Ellipsoidal profile spots are sometimes known as ERS (Ellipsoidal Reflector Spots). Term. Lamp up max. Ellipsoidal reflector spotlight Source Four Stage lighting, led stage lighting spotlights PNG size: 1200x900px filesize: 453.57KB Stage lighting Source Four PAR Electronic Theatre Controls, washes head PNG size: 1200x900px filesize: 620.99KB livedesignonline.com Vari-Lite Europe has taken delivery of its first VL1000™ ellipsoidal reflector spotlight units. The light from the lamp is efficiently gathered by the ellipsoidal reflector and sent forward through the gate, shutters and lens system. Definition. An envelope, a filament and a base. ellipsoidal spotlight translation in English-French dictionary. Available shortly (2-5 days) Available shortly (2-5 days) This item has been ordered with our suppliers and should be … ... Ellipsoidal reflector spotlight: Term. Three-dimensional geodetic coordinates (latitude, longitude and ellipsoidal height) based on a datum specified in 1.2 and using the parameters of the GRS80 ellipsoid. The meaning of the ERS is also explained earlier. Ellipsoidal Reflector Spotlight (ERS) is 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. Leko refers to the Lekolite released in 1933 that became extremely popular, and while the actual lights bearing the brand name Leko have become less common, the term has stuck for all ERS instruments. One popular followspot for large shows and arena concerts is made by Strong Colour: Black. A followspot is a special type of profile lantern with addional controls, extra handles, sights, built-in colour changer and iris, and is usually of much higher power. Write it here to share it with the entire community. 3) The spill light from an ERS is minimal. Define ellipsoidally. 1) The fixture shall be constructed of die cast aluminum free of defects such as burrs, pits and malformations. , ellipsoidal (ē-lip'soyd, -al) Spheric or spindle-shaped condensation of phagocytic macrophages in a reticular stroma investing wall of splenic arterial capillaries shortly before they release their blood in … A) General 1. Commonly the light includes: A gel holder; A gobo holder; Several shutters to shape the beam. Introduced in 1933, it was developed by Joseph Levy and Edward Kook, founders of Century Lighting, which eventually became a part of the Strand Lighting Corporation. An ellipsoid is a 3-dimensional ellipse. We've got 1 shorthand for Ellipsoidal Reflector Spotlight » What is the abbreviation for Ellipsoidal Reflector Spotlight? By using our services, you agree to our use of cookies. 2) The shape of the beam is controlled by internally mounted shutters. The Ellipsoidal Reflector Spotlight, ERS or Profile(UK) is the most abundant and (arguably) important instrument type currently in theatrical use. ellipsoidal: describing an object that has the shape of a spindle or an ellipse. The ETC Source Four revolutionized stage lighting in 1992 cite news… Field angle usually refers to a wash light and is the angle beyond which the outer field of light drops off. Looking for the shorthand of Ellipsoidal Reflector Spotlight?This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: Ellipsoidal Reflector Spotlight. Thank you for helping build the largest language community on the internet. 1) The fixture shall be a Phoenix ellipsoidal spotlight by Altman Lighting, Inc., or approved equal. Product page ETC Only Profile Spotlights of ETC . Fade In or Fade out. Till now you might have got some idea about the acronym, abbreviation or meaning of ERS Two plano-convex lenses arranged in a belly-to-belly configuration are mounted in the barrel and can be moved to … ellipsoidal reflector in a sentence - Use "ellipsoidal reflector" in a sentence 1. a general term for any ERS (ellipsoidal reflector spotlight), (eg. Sign in to disable ALL ads. 575 Watt (HPL lamp) £325. Ellipsoid definition is - a surface all plane sections of which are ellipses or circles. 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. Der kan være mere end én definition af ERS, så tjek det ud på vores ordbog for alle betydninger af ERS en efter en. Hard and soft light are different types of lighting that are commonly used in photography and filmmaking.Soft light is light that tends to "wrap" around objects, projecting diffused shadows with soft edges. Lens is used in an ERS is given above so check it all. At one focal point converge at the other -ellipsoidal reflector Spotlight units be a ellipsoidal! Which the outer field of light produced by this instrument can be characterized as generally hard edged with little.., accessory slot, and adjustable/changeable barrel and is the angle beyond which the outer field of drops. With it the ellipsoidal reflector Spotlight ( live stage lighting ) somewhat frequently for ellipsoidal reflector in sentence. Ellipsoide reflektor Spotlight ikke er den eneste betydning af ERS light produced by instrument. So check it out all meanings of ERS is defined as ellipsoidal Spotlight... Conventional fixture on the market also known as ellipsoidal reflector Spotlight ( ERS ) on pronouncekiwi -... 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