page_title: Multiple exposure
section_title: Analogue
hierarchical_section_title: Multiple exposure / Multiple exposure techniques / Analogue
caption_attribution_description: Français&#160;: Karlheinz Stockhausen en surimpression de la partition d'une de ses composition, Strasbourg, 1980. Karlheinz Stockhausen né le 22 août 1928 à Mödrath, Allemagne, et mort le 5 décembre 2007 à Kürten, Allemagne est un compositeur allemand. Son travail se construit autour de la musique électroacoustique, de la spatialisation du son et, les dernières années, de longs cycles de création qui aboutissent à des œuvres monumentales.
context_page_description: In photography and cinematography, a multiple exposure is the superimposition of two or more exposures to create a single image, and double exposure has a corresponding meaning in respect of two images. The exposure values may or may not be identical to each other.
context_section_description: In photography and cinematography, multiple exposure is a technique in which the camera shutter is opened more than once to expose the film multiple times, usually to different images. The resulting image contains the subsequent image/s superimposed over the original. The technique is sometimes used as an artistic visual effect and can be used to create ghostly images or to add people and objects to a scene that were not originally there. It is frequently used in photographic hoaxes.
  It is considered easiest to have a manual winding camera for double exposures. On automatic winding cameras, as soon as a picture is taken the film is typically wound to the next frame. Some more advanced automatic winding cameras have the option for multiple exposures but it must be set before making each exposure. Manual winding cameras with a multiple exposure feature can be set to double-expose after making the first exposure.
  Since shooting multiple exposures will expose the same frame multiple times, negative exposure compensation must first be set to avoid overexposure. For example, to expose the frame twice with correct exposure, a −1 EV compensation have to be done, and −2 EV for exposing four times. This may not be necessary when photographing a lit subject in two (or more) different positions against a perfectly dark background, as the background area will be essentially unexposed.
  Medium to low light is ideal for double exposures. A tripod may not be necessary if combining different scenes in one shot. In some conditions, for example, recording the whole progress of a lunar eclipse in multiple exposures, a stable tripod is essential.
  More than two exposures can be combined, with care not to overexpose the film.
caption: Composer Karlheinz Stockhausen, double exposure made using a film camera, 1980
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