Intensity - Measured in both lux and lumens. For any given luminaire (lighting instrument or fixture), this depends upon the power of the bulb, the design of the instrument (and its corresponding efficiency), the. Used MAC 2000 Profile II. presence or absence of color gels or gobos, distance from the area to be lit, the color and subtance to be lit, and the neuro-optics of the total scene (that is, the relat. Used MAC 2000 Profile II. ive contrasts to other regions of illumination). ...
Fresnel - Fresnels are typically 8-, 6- or 4-inch, referring to the diameter of the lens. This light is named after Augustin-Jean Fresnel who invented the distinctive Fresnel lens which has a 'stepped' appearan. Used MAC 2000 Profile II. ce instead of the 'full' or 'smooth' appearance of other lenses. The stepped nature of the lens causes a corresponding pattern of circles of light, so Fresnel lenses are us. Used MAC 2000 Profile II. ually 'stippled' on the flat side. This pattern of small bumps helps to break up the light passing into the lens to smooth out its eventual pattern.
Fresnels use a spherical reflector, with the filament of the bulb ...
Effects - Lighting Effects are devices that are generally used to enhance other lighting or staging devices, like foggers, lasers or pyrotechnics and can also have and effect on setting the mood during a perfor. Used MAC 2000 Profile II. mance like color changers.
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Crossfade - A value of time that is assigned to a parameter that controls the duration of change from one DMX value to another DMX value or to fade from one scene to another. This is a lighting console term.. Used MAC 2000 Profile II. . Used MAC 2000 Profile II. ...
Intelligent Fixtures - Intelligent Fixtures or Moving Lights were originally implemented in 1972, but the first computer-controlled stage lighting fixtures began to gain widespread acceptance in the concert industry in the . Used MAC 2000 Profile II. early 1980's. As the digital age progressed, the cost of these fixtures was reduced and they slowly started being used in more 'traditional' theatrical environments. Intell. Used MAC 2000 Profile II. igent fixtures are currently used 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...