Stage lighting design front top and back3/28/2024 In large venues, profile lanterns (aka ellipsoidals) are used front of house, to throw / project the light a long distance to the stage. However, these weren’t very efficient, so higher-power individual lanterns with fresnel lenses were able to produce a more focussed pool of light.įrom those early days, there were ways of remotely changing the gels in front of each lantern. For a red wash, all of the red-gelled lamps were turned up. These consisted of a number of lamps with a reflector behind each, and a different gel in front of each. In the very early days of stage lighting, coloured battens were used in rows above the stage. For a large musical, the rig would very quickly be filled just by colour washes. It therefore follows that for a show that needed a number of different colour washes, you’d need a set of lanterns with the appropriate gels for each of the colour washes. The Rosco Supergel range is widely used, as the gel numbering system is easy to use. Gels are produced by a number of companies, but two popular ones are Lee Filters (in the UK) and Rosco Laboratories (in the USA). Swatch books – Lee Filters and Rosco SupergelĪ sheet of coloured gel (originally gelatine, and now heat-resistant plastic) is placed in a colour frame (or gel holder) in the colour runners at the front of a stage lighting instrument.
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