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Transparent positive prints can be made by printing a negative onto special positive film, as is done to make traditional motion picture film prints for use in theaters. Some films used in cameras are designed to be developed by reversal processing, which produces the final positive, instead of a negative, on the original film. [5]
The film base needs to be transparent but with some density, perfectly flat, insensitive to light, chemically stable, resistant to tearing and strong enough to be handled manually and by camera mechanisms and film processing equipment, while being chemically resistant to moisture and the chemicals used during processing without losing strength ...
In amateur processing, the film is removed from the camera and wound onto a reel in complete darkness (usually inside a darkroom with the safelight turned off or a lightproof bag with arm holes). The reel holds the film in a spiral shape, with space between each successive loop so the chemicals may flow freely across the film's surfaces.
In photography, reversal film or slide film is a type of photographic film that produces a positive image on a transparent base. [1] Instead of negatives and prints , reversal film is processed to produce transparencies or diapositives (abbreviated as "diafilm" or "dia" in some languages like German , Romanian or Hungarian ).
A photolitah film as used in PCB-s contact copiers. A photolith film [1] is a transparent film, made with some sort of transparent plastic (formerly made of acetate). Nowadays, with the use of laser printers and computers, the photolith film can be based on polyester, vegetable paper or laser film paper.
A camera where the same lens is used to view the scene and to focus its image onto a film emulsion or solid-state photosensor. Usually combined with the facility to fit one of a range of lenses, and often more versatile than viewfinder/rangefinder cameras. [11] SOOC: Straight out of camera. Images as shot out of camera; implied is no post ...
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The camera was a retired Technicolor three-strip camera modified to use two films and used normal lenses for the conventional 1.85:1 aspect ratio. [citation needed] First developed in 1932, Technicolor three-strip cameras ran three rolls of black-and-white film past a beam splitter and a prism to film three strips of film, one for each primary ...