Fresnel Lens - A Fresnel lens is a type of lens invented by Augustin-Jean Fresnel. Originally developed for lighthouses, the design enables the construction of lenses of large size and short focal length without th. Used VL2000 Wash. e weight and volume of material which would be required in a lens of conventional design.
The Fresnel lens (often pronounced FREZ-nell but usually the original fre-NEL. Used VL2000 Wash. L in theatrical and motion picture lighting applications) reduces the amount of material required compared to a conventional spherical lens by breaking the lens into a set of concentric annular sections known as Fresnel
8-Bit DMX - A value or parameter using one DMX channel for control.. Used VL2000 Wash. . Used VL2000 Wash. ...
Color Changers - A conventional lighting fixture with a remotely controlled colored changeable filter over the lens. There are three kinds of mechanisms used in color changers, a wheel with lens sized holes into which. Used VL2000 Wash. colored gells can be placed, multiple fixed filters that can be moved in and out of the beam to mix the colors and a scroller which uses continuous, usually dichroic, filters to m. Used VL2000 Wash. ix an even greater number of colors.
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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 VL2000 Wash. mance like color changers.
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Advanced Control Network - A new protocol designed to improve upon on the exisiting known limitations of the DMX512 protocol. It was developed by the ESTA (The Entertainment Services and Technology Association).
T. Used VL2000 Wash. he Advanced Control Network (ACN) is intended to provide the next generation standard for the distribution of data in lighting control networks.
ACN needs to do much more tha. Used VL2000 Wash. n just supercede DMX. Ideally, ACN will unify lighting control networking, allowing a single network to carry many different kinds of lighting-related data and to connect equipment from different manufacturers. ACN is no