In theater and film, a cyclorama (abbreviated cyc in the U.S., Canada, and the UK) is a large curtain or wall, often concave, positioned at the back of the
apse
In architecture, an apse (plural apses; from Latin 'arch, vault' from Ancient Greek 'arch'; sometimes written apsis, plural apsides) is a semicircular recess covered with a hemispherical vault or semi-dome, also known as an '' exedra''. ...
. It often encircles or partially encloses the
stage
Stage or stages may refer to:
Acting
* Stage (theatre), a space for the performance of theatrical productions
* Theatre, a branch of the performing arts, often referred to as "the stage"
* ''The Stage'', a weekly British theatre newspaper
* Sta ...
to form a background. It was popularized in the German theater of the 19th century and continues in common usage today in theaters throughout the world. It can be made of unbleached canvas (larger versions) or muslin (smaller versions), filled
scrim (popularized on Broadway in the 20th century), or seamless translucent plastic (often referred to as "Opera Plastic"). Traditionally it is hung at 0% fullness (flat). When possible, it is stretched on the sides and weighted on the bottom to create a flat and even surface. As seams tend to interrupt the smooth surface of the cyclorama, it is usually constructed from extra-wide material.
In photography, cycloramas or cycs also refer to curving backdrops which are white to create the illusion of no background, or green for
chroma keying
Chroma key compositing, or chroma keying, is a visual-effects and post-production technique for compositing (layering) two images or video streams together based on colour hues ( chroma range). The technique has been used in many fields to ...
.
An infinity cyclorama (found particularly in television and in film stills studios) is a cyc which curves smoothly at the bottom to meet the studio floor, so that with careful lighting and the corner-less joint, the illusion that the studio floor continues to infinity can be achieved.
Cycloramas are often used to create the illusion of a sky onstage. By varying the equipment, intensity, color and patterns used, a
lighting designer
In theatre, a lighting designer (or LD) works with the director, choreographer, set designer, costume designer, and sound designer to create the lighting, atmosphere, and time of day for the production in response to the text while keeping ...
can achieve many varied looks. A cyclorama can be front lit or, if it is constructed of translucent and seamless material, backlit directly or indirectly with the addition of a white "bounce" drop. To achieve the illusion of extra depth, often desirable if one is re-creating a sky, the cyclorama can be paired with a "sharkstooth scrim" backdrop. A dark or black scrim, by absorbing the extraneous light which is commonly reflected off the floor of the stage can further achieve deeper colors on the cyclorama. Cycloramas are also often illuminated during dance concerts to match the mood of a song.
Occasionally, the cyc may be painted with a decorative or pictorial scene to fit a specific show; these are generally referred to as backdrops.
See also
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Cyclorama Building, Boston
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Stage lighting
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Striplight
A striplight is a multi-circuit stage lighting instrument. Striplights are one of the most basic types of lighting fixtures available. They usually consist of row of lamps. A single striplight is usually wired internally into either 3 or 4 circu ...
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Theater drapes and stage curtains
Theater drapes and stage curtains are large pieces of cloth that are designed to mask backstage areas of a theater from spectators. They are designed for a variety of specific purposes, moving in different ways (if at all) and constructed from va ...
References
Sources
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{{Stagecraft
Scenic design
Stage lighting