reversal film


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Related to reversal film: reversal process

reversal film

[rivur′səl]
(in radiology) a reverse-tone duplicate of an x-ray image, showing black changed to white and white to black. It is produced by exposing single-emulsion subtraction film through a standard x-ray film. Also called diapositive, positive mask.
References in periodicals archive ?
Thomas also said Kodak would announce a new line of medium- speed Ektachrome professional reversal films in 1993.
Komori shared with the audience several of the innovations Fujifilm is featuring at the PMA show, including: the world's first consumer point-and-shoot digital camera with full resolution ISO equivalency speeds as high as 3200, incorporating Fujifilm's unique Super CCD sensor for crisp, sharp photos; the first digital kiosk to allow retailers to offer three ways for consumers to get digital prints from a single unit -- instantly, in one hour, or in days; new Frontier Digital Minilabs that are smaller, yet offer increased capabilities and improved performance; and new color reversal film products to improve the image-creation power of silver-halide.
Also at the show Fujifilm introduces its new high speed color reversal film, Fujichrome Provia 400X Professional Film, providing new levels of color saturation in the ISO400 class.
While most reductions affect packaging configurations, Kodachrome 25 color reversal film and Kodak Royal Gold 1000 color negative film will be discontinued this year due to falling demand.
Also debuting at PMA '98 are several new films, including Fujichrome MS 100/1000 Professional, a multi-speed daylight-type color reversal film, available in roll formats, that produces outstanding results from EI 100 to EI 1000.
New Fujichrome 100 ix daylight color reversal film is designed specifically for the advanced amateur photographer who prefers the image quality inherent in transparency slide films, but wants the many advantages of the Advanced Photo System -- including index prints, slide-mount printed data, ix information exchange and mid-roll film change.