Tech Theater 50-60

FOURTH WALL

The imaginary wall of a box set through which the audience see the stage. convention is an established convention of modern realistic theatre, where the actors carry out their actions unaware of the audience.

FRESNEL

. A type of lamp which produces an even, soft-edged beam of light through a lens.

FULLNESS

Draperies made up with deep 'gatherings' have fullness - usually requiring not less than 50% additional fabric, measured at head and foot.

GEL

Short for gelatin, the material once used for color filters. A sheet of plastic usually composed of a colored resin sandwiched between two clear pieces. The colored filter absorbs all the colors of light except the color of the filter itself, which it allows through. For this reason, denser colors get very hot, and can burn out very quickly. At one time, filters were made from gelatin, from which came the still-used name "___l." Also known as a color filter, and manufactured and sold as such by companies like Rosco.

GEL FRAME

A frame which holds the color filter in the guides at the front of a lamp. Many different sizes of frames are needed for the different lamps.

GLAZE

Glossy transparent or semitransparent finish applied as a final coat to a painted stage floor or to scenery to soften its appearance.

GOBO

A thin metal plate (also called a pattern) etched to produce a design which can then be projected by a profile spotlight (e.g. foliage, windows). The image can be used soft focus to add texture, rather than a defined image.

GROUNDPLAN

A scaled plan (overhead) view of the theatre stage area or of a set design, to enable all technical departments to ensure that everything will fit correctly into the space available. shows all items standing on the stage floor and any permanent items which will affect the production, and the position of any flown pieces. The set design_____ enables the lighting designer to be clear about the exact location of all items, and will have the walls of the stage drawn on it so that the stage management team and production manager can plan furniture and set moves offstage.

HAND

The way the fabric feels to the touch

HOLLYWOOD FLAT

a double-sided timber flat with a much wider edge than normal. mainly used in the film/tv business. The thicker edge gives the flat extra stability, can be easily clamped to adjacent flats, and looks more like a real wall on camera. Also known as a TV Flat.