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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]
Vintage industrial Holophane pendant light. Holophane, a division of Acuity Brands, is a manufacturer of lighting-related products founded in 1898 in London, England. The company is a UK-based (Milton Keynes, England) and US manufacturer (based in Newark, Ohio) of lighting fixtures for commercial, industrial, outdoor, and emergency applications.
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.
Table lamp fixtures, standard lamp fixtures, and office task light luminaires. Balanced-arm lamp is a spot light with an adjustable arm such as anglepoise, RAMUN or Luxo L1. Gooseneck (fixture) Nightlight; Floor Lamp Torch lamp or torchières are floor lamps with an upward-facing shade. They provide general lighting to the rest of the room.
Left to right: MR16 with GU10 base, MR16 with GU5.3 base, MR11 with GU4 or GZ4 base Line drawing of an LED MR16 lamp, with a heatsink rather than a reflector. A multifaceted reflector (often abbreviated MR) light bulb is a reflector housing format for halogen as well as some LED and fluorescent lamps.
This is a list of sources of light, the visible part of the electromagnetic spectrum.Light sources produce photons from another energy source, such as heat, chemical reactions, or conversion of mass or a different frequency of electromagnetic energy, and include light bulbs and stars like the Sun. Reflectors (such as the moon, cat's eyes, and mirrors) do not actually produce the light that ...