T - Pages

Lumen - In physics, specifically photometry (optics), the lumen (symbol: lm) is the SI derived unit of luminous flux. It is the amount of light that falls on a unit spherical area at unit distance from a sour. Used . ce of one candela. In steradians this is equivalent to the amount of light that falls on a unit solid angle from a light source of one candela. Alternatively, one lumen is the total light pro. Used . duced by an isotropic light source of (1/4p) candelas. A 100 watt incandescent light bulb will output around 1500 lumens. ...

Lighting instruments - There are a variety of instruments frequently used in the theater. Although they vary in many ways they all have the following four basic components in one form or another...

* Box/Housin. Used . g - a metal or plastic container to house the whole instrument and prevent light from spilling in un-wanted directions.
* Source of light (bulb or lamp).
* Lens or opening - the g. Used . ap in the housing where the light is intended to come out.
* Reflector - behind or around the light source in such a way as to direct more light towards the lense or opening.

Additional feat...

Lighting Desk - Lighting control consoles (also called lighting boards or lighting desks) are electronic devices used in theatrical lighting design to control multiple lights at once. They are used throughout the ent. Used . ertainment industry and are normally placed at the FOH position or in a control booth.

All lighting control consoles can control dimmers which, in turn, control the brightness of. Used . the lights. Many modern consoles can also control intelligent lights (lights that can move and change colors), fog machines and hazers, and other special effects devices.

Consoles communicate wit...

Stages - A stage is a designated space for the performance of theatrical productions or other live events. Some stages are permanent structures in theaters, but often stages are temporary structures built for . Used . outdoor events and can range is size from small 20 to 30 square foot structures to very large arena sized stages assembled from many components.. Used . ...

Stairs - Stairs are used to access the stage and raised parts of the stage. They are usually collapsable for the purposes of storage and transportation. . Used . . Used . ...