- 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 . 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 usually 'stippled' on. Used . 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 ...Platforms
- Some stages are made up of many smaller table like platforms so they can be easily transported or stored. These platforms are generally used in the forming of large stages, are fastened together, com. Used . e in different hights and widths and have different materials for their surface, like woods and canvases. . Used . ...Analog to Digital Converter
- In electronics, an analog-to-digital converter (abbreviated ADC, A/D, or A to D) is a device that converts continuous signals to discrete digital numbers. Typically, an ADC converts a voltage to a di. Used . gital number. The digital to analog converter or DAC performs the reverse operation. . Used . Backline
- Backline is equipment that is located behind a live band while they are performing. Such examples of backline include amps for guitars and basses. It is the equipment that the band needs aside from . Used . the actual instruments that they are holding and using and the PA and FOH desks.
. Used . ...Wrap
- A term used in Rigging for a short sling used to wrap a beam or truss or the action of wrapping a truss. In film and television production WRAP is an acronym for Wind Reel And Print and announces the. Used . end of a scene or session. . Used . ...
Used TV Screens
TV Screens are used in the theater industry and in other venues for many different purposes ‚?? backstage or in the control room so that other actors/technicians/producers can keep up to date with the progress of the production, or at strategic locations so that the audience which is too far away from the actual stage can see the action close up.
TV screens have come a long way since the days of the old analog TVs that first appeared in our homes in the middle of the last century. Those old, box-shaped, black and white screens have been superseded by highly advanced technology, and now we have TV screens that use OLED, LCD, DLP or Plasma technology, allowing viewers to see excellent quality, enhanced HDTV.
Generally, for professional purposes in concerts, theater etc., TV screens are used in much the same way as a computer monitor. They are not used to tune in to current TV shows but are instead hooked up to a camera so that they can replay the action on stage as it happens, or ‚??Live‚?Ě.
OLED technology is one of the preferred technologies for TV screens these days, as they are extremely lightweight and provide good viewing angles when compared to other screens, where the image ‚??fades‚?? if the screen is not viewed head-on. However, OLED TV screens are currently quite expensive when compared to other technologies such as LCD and Plasma, especially so in the case of CRT TV screens.