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PAR - PAR is an acronym referring to "Parabolic Aluminized Reflector" which describes the mirror configuration. PAR lights resemble car headlights. They possess a lens, but the lens is an integral part of t. Used Miscellaneous. he lamp and its position relative to the filament canno . Used Miscellaneous. ...

Lux - The lux (symbol: lx) is the SI derived unit of illuminance or illumination. It is equal to one lumen per square metre.

The difference between the lux and the lumen is that the lux takes i. Used Miscellaneous. nto account the area over which the luminous flux is spread. 1000 lumens, concentrated into an area of one square metre, lights up that square metre with an illuminance of 1000 l. Used Miscellaneous. ux. The same 1000 lumens, spread out over ten square metres, produces a dimmer illuminance of only 100 lux.

Achieving an illuminance of 500 lux might be possible in a home kitchen with a single fluorescent lig...

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 Miscellaneous. 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 widespre. Used Miscellaneous. ad LAN technology in use during the 1990s to the present, and has largely replaced all other LAN standards such as token ring, FDDI, and ARCNET. ...

Smoke Machine - A Smoke Machine or Fogger is an electrical device that creates clouds of artificual and hopefully non-toxic fog. The fog may come in different colors or smells and may be water or mineral based. It i. Used Miscellaneous. s used for effects in theatre, staging, concerts and clubs.

Hazers by contrast create a more diffusive, expansive haze that is usually not a thick and is used to enh. Used Miscellaneous. ance other effects, such as lighting and light beams.

Automated Light - Automated Lights were originally used in 1972, but the first computer-controlled stage lighting fixtures began to gain widespread acceptance in the concert industry in the early 1980's. As the digital. Used Miscellaneous. age progressed, the cost of these fixtures was reduced and they slowly started being used in more 'traditional' theatrical environments. Intelligent fixtures are currently used . Used Miscellaneous. in almost all major theatrical productions.

Usually relying on compact arc lamps as a light source, these fixtures generally use stepper motors connected to varying internal devices to manipulate the light bef...