Lighting: Outlets and Dimmers

The simplest form of lighting system is shown opposite. This is cheap, but not very flexible. In order to change the light intensity on a particular area the luminaire has to be moved, or the spot/flood mechanism has to be operated (on soft-edged spotlights). Alternatively, part of the luminaire lens can be obscured, for example by using ‘wires’ (Windolite) which reduce the light by approximately 25%, or the wattage (power-rating) of the lamp can be changed. Dual-wattage lamps provide alternative outputs by filament- switching.

Dimmers

Extra flexibility is obtained if a dimmer is used for every lighting circuit, as this will enable swift adjustment of lighting levels. Avoid using a patching system (see opposite) ...

Get The Video Studio, 3rd Edition now with the O’Reilly learning platform.

O’Reilly members experience live online training, plus books, videos, and digital content from nearly 200 publishers.