| Term | Definition |
|---|
| Ellipsodial Reflector | ERS gets its name because it uses a |
| Ellipsodial Reflector | a section of an Ellispe and contains 2 focal points |
| plano convex lenses | the ERS optical system uses 2 |
| S-4 | a reinvented, re engineered, ERS |
| the HPL 575w or 750w compact tungsten filament lamp | lampis very efficient and produces an intense light from a very small area of the filament |
| it contains a fresnel lens diameter that tells if its a 6" or 8" | fresnels gets its name because |
| the focus beam the fresnel uses is a | spherical reflector that is mounted on the sliding tray |
| expand | fresnel (sliding the focus tray 2wards the lens cause the light beam to |
| contract | fresnel (sliding it back 2ward the reflector causes it to |
| 500w, 750w meduim focus | 6" fresnels can use |
| 1000w, 1500w mogul pre focus | 8" fresnel |
| parbolic reflectors | par 64 is called |
| 8" | the 64 in par means the lamp has a (blank) diameter |
| s-4 par | produces light similiar to par 64 |
| lamp | s4 rotate lens and not (blank) to focus |
| s-4 par unlike (blank) the diff. between the reflector, lamp, and lens never changes | fresnel |
| s-4 parnel | similiar to both s-4 par and fresnel |
| like (blank) uses hpl 575w or 750w | s-4 par |
| uses parabolic and mulifaceted reflector like | s-4 par |
| like (blank) the parnel is designed to change the radius of the light beam. it does this by means of a patented wave lens system | fresnel |
| operator follows performer | follow spots |
| distance 30' to 100' | short throw spot |
| distance 100' to 250' | long throw spot |
| strip of lights 6x6 | strip lights |
| asymetric reflector to create a bright, smooth wash of even intensity that is meant to spread vertically | cyc lights |
| unlike the (blank blank) a cyc light needs distance to provide an even wash up and down the backdrop | strip light |
| meant to sit on ground | ground cyc |
| comes in 1 to 4 lamp configurations | hanging cyc lights |
| shutters are located near the center of the unit | ers |
| fresnel focus is on the (blank) of the unit | bottom |
| shows lighting positions labeled by their location | sight line points |
| a designers shorthand notation | magic sheets |
| section of stage floor which projects towards or into the auditorium | apron |
Combine with other sets
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