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 ?
A Reversal Films presentation of a John Fiege production.
The major product segments analyzed are Photographic Films (Color Negative Films, Color Reversal Films, Black & White Films, & Single Use Camera Films), Photographic Paper, and Photographic Chemicals.
Reversal Films by Geographic Region/Country - US, Canada,
The major product segments analyzed are Photographic Films (Color Negative Films, Color Reversal Films, & Black & White Films), Single Use Camera Films, Photographic Paper, and Photographic Chemicals.
Kodak Ektachrome II films -- This new family of consumer color reversal films provides sharp, vivid colors and pleasing fleshtones.
Kodak Ektachrome professional E100, E100S (saturated) and E100SW (saturated warm) films -- Sharing an EI (exposure index) of 100, the new color reversal films feature outstanding image structure, offer a refined color palette, and deliver predictable, reliable results.