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The company is noted for its glass reflector/refractor. In addition, it manufactures lenses for street lights, including General Electric , Cooper Lighting , and Lithonia Lighting. Holophane has been integral in the Illuminating Engineering Society of North America since its inception in 1906, with the first meeting being held in the headquarters.
Scoop. 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.
The most common type of floodlight was the metal-halide lamp, which emits a bright white light (typically 75–100 lumens/Watt). Sodium-vapor lamps are also commonly used for sporting events, as they have a very high lumen to watt ratio (typically 80–140 lumens/Watt), making them a cost-effective choice when certain lux levels must be provided. [4]
One Florida man has set himself miles, or rather feet, apart from his neighbors this holiday season by constructing a massive replica of a classic Christmas film.
Strip lights, also known as cyclorama or cyc lights (thus named because they are effective for lighting the cyclorama, a curtain at the back of the stage), border lights, and codas (by the brand name), are long housings typically containing multiple lamps arranged along the length of the instrument and emitting light perpendicular to its length.
Box/Housing – a metal or plastic container to house the whole instrument and prevent light from spilling in unwanted directions. Light source . Lens or opening – the gap in the housing where the light is intended to come out. Reflector – behind or around the light source in such a way as to direct more light towards the lens or opening.
A reflector forms a narrow beam called the "throw" in hobbyist parlance, while light emitted forward misses the reflector and forms a wide flood or "spill" of light. Because LEDs emit most light in a hemisphere, lens lights with the LED facing forward or reflector lights with it facing backwards radiate less spill.
Heather Locklear still has a lot of love for her ex David Spade.. On Friday, Dec. 6, the actress, 63, made a rare appearance at Steel City Con in Monroeville, Pa., where she participated in a Q&A ...