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LIGHTHOUSE LVP501 Blinders

Miscellaneous Blinders

Ethernet - Ethernet (this name comes from the physical concept of ether) is a frame-based computer networking technology for local area networks (LANs). It defines wiring and signaling for the physical layer, an. Used . d frame formats and protocols for the media access control (MAC)/data link layer of the OSI model. Ethernet is mostly standardized as IEEEs 802.3. It has become the most widespread LAN techno. Used . logy in use during the 1990s to the present, and has largely replaced all other LAN standards such as token ring, FDDI, and ARCNET. ...

Mount Speakers - A speaker designed to be mounted on or in a wall or on a stand.. Used . . Used . ...

Arc Lamp - An arc lamp is a device that produces light by the sparking (or arcing, from voltaic arc or electric arc) of a high current between two carbon rod electrodes. The rods are touched and then slowly draw. Used . n apart; as the rods separate the current is "struck" and arcs across the gap in a bright, ionized path. The arc produces a temperature of several thousand degrees, and the tips of the carbon. Used . rods are heated to incandescence, creating light. The rods are slowly vaporized during the process and need to be regularly adjusted to maintain the arc. The concept was first demonstrated by Sir Humphry Davy...

Zone Focusing - Technique for focusing a lens so that the field depth extends over a predetermined scope of distances making an entire area, or zone, in focus rather than one specific subject. . Used . . Used . ...

Watt - An international system for the measurement of the amount of power used by a device, usually electrical in nature, equal to one joule per second or one ampere of current flowing at one volt. The watt. Used . is named after James Watt for his contributions to the development of the steam engine and in turn its contribution to electrical power.. Used . ...

Blinders

Blinders are incandescent or LED stage lights which are directed at a relatively low angle toward the audience or stage. Designed for stage flood lighting, these intensely bright lighting fixtures are technically PAR lights. PAR lights or Parabolic Aluminum Reflector lights are so-called because of the actual material they are composed of. They are of halogen nature, that is, in place of a light-emitting filament, they have a halogen capsule that gives off light. When electric current runs through the halogen gas, the resulting chemical reaction allows the capsule to emit phosphorescence or light. Blinders normally have a parabolic-shaped aluminum base. The curve of the base is so designed to capture and directly focus emitted light. The aluminum construction is intensely-reflective and is intended to take the greatest amount of light possible and focus the captured light on a specific area. The PAR lights in blinders are categorized according to beam and size. They have a bulb life of approximately 2,000 hours, with the higher watt levels going at around 500 watts or 0.5 kilowatts up to 1000 watts or one kilowatt. Their beam ranges are much wider to illuminate much broader areas. The bulbs used in blinders give off a more white-colored light with higher color temperatures ranging from 3000 K (Kelvin) to 3200 K. They are classified as warm-colored lighting, in this case. These bulbs are also frequently sold with PAR specifications that are either PAR36 or PAR64. The number following PAR corresponds to the individual bulb’s diameter measured by the number of eighths of an inch. Thus, a PAR36 bulb is around 4.5 inches across, while a PAR64 bulb is exactly 8 inches across.