Lens - A lens is a device for either concentrating or diverging light, usually formed from a piece of shaped glass. Analogous devices used with other types of electromagnetic radiation are also called lense. Used Hog 1000. s: for instance, a microwave lens can be made from paraffin wax.
The earliest records of lenses date to Ancient Greece, with Aristophanes' play The Clouds (424 BC) mentio. Used Hog 1000. ning a burning-glass (a convex lens used to focus the sun's rays to produce fire). The writings of Pliny the Elder (23-79) also show that burning-glasses were known to the Roman Empire, and mentions what is possibly t
Color gel - Color gel is a translucent or transparent coloured material that is used in theatre to colour light. Modern gels are usually made of polycarbonate or polyester, but the name arose from the gelatin ori. Used Hog 1000. ginally used. See gel (theater).
Gels are also used in photography and cinematography for the purpose of color correction, and in this capacity are usually called color f. Used Hog 1000. ilters.
Similar colors may vary between different companies' formulations - for instance, they all have a color named 'bastard amber', yet Rosco's bastard amber is different from Lee's is different from G...
Ellipsoidal - Ellipsoidal is the name for a type of theatrical light, getting the name from the ellipsoidal reflector used to intensify the light of a back-loading lamp through the barrel and lens. Ellipsoidals are. Used Hog 1000. used for their strong, well-defined light and their versatility.
Characteristics of an ellipsoidal lighting unit include:
* An adjustable barrel, allowing a. Used Hog 1000. lighting designer to change the size and focus of the light thrown by the unit by changing the distance between the mirror and the lens or lenses
* A set of brackets on the end of the barrel for the insertion o...
Scoop Light - Scoop lights or Scoops are circular fixtures that do not have any lenses. They have a reflector at the back of the fixture that directs the light out of the fixture. Since they do not have any sort o. Used Hog 1000. f lens system they are cheaper than other fixtures. However, the downside of this makes it so that you can not focus the light at all (even PAR's allow for more control than scoops). . Used Hog 1000.
Cue - Generally, a lighting board operator has a cue sheet for each scene, which is a diagram of the board with the faders in their positions as determined by the lighting designer. The operator sets the fa. Used Hog 1000. ders into their positions based on the cue sheets. Typically during a cue, the operator sets the next scene. Then, the operator makes the transition between the scenes using the cross. Used Hog 1000. -fader....