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Trucolor was a process used and owned by Consolidated Film Industries division of Republic Pictures. Trucolor was originally a two-strip (red and green) process based on the earlier work of William Van Doren Kelley's Prizma color process. It later became a three-color process. Republic used Trucolor mostly for its westerns, through the 1940s and early 1950s. The premiere Trucolor release was ''Out California Way'' (1946) and the last film photographed in the process was ''Spoilers of the Forest'' (1957).〔''American Film Institute Catalog of Motion Pictures'' (online database). The Republic feature ''Pawnee'' was filmed before ''Spoilers of the Forest'' but released after.〕 With the advent of Eastmancolor and Ansco color films, which gave better results at a cheaper price, Trucolor was abandoned, coincidentally at the same time as Republic's demise. ==Trucolor process== In its two-color version, Trucolor films were shot in bipack, with the two strips of film being sensitized to red and green. Both negatives were processed on duplitized film, much like Trucolor's rival process Cinecolor. Unlike Cinecolor, however, the film was not dyed with a toner but a color coupler, similar to Eastmancolor film. Because of this chemical composition, Trucolor film fades over time, unlike Cinecolor. Three-color Trucolor was first used in 1949, for making prints of cartoons photographed in the "successive exposure" process, in which each animation cel had been photographed three times, on three sequential frames, behind alternating red, green, and blue filters. Multilayer Du Pont Color Release Positive Film was used as the printing material. DuPont supplied the stock for Trucolor's three-color process between 1949 and 1953; prints after 1953 were on Kodak color print stock 5382, and at that point, the name "Trucolor" became synonymous as many other trade names for Eastmancolor processing. Republic Pictures introduced live-action three-color Trucolor with the release of the Judy Canova musical comedy ''Honeychile'' in 1951.〔Thomas F. Brady, "Hollywood Unhappy", ''The New York Times'', May 27, 1951, p. 77.〕 Kodak Eastmancolor negatives were used for principal photography. DuPont positive stock (type 875) was used to make release prints. This stock had a monopack structure that used synthetic polymer rather than gelatin as a color former.〔Richard H. Haines, ''Technicolor Movies: The History of Dye Transfer Printing'', McFarland, 2003, p. 57. ISBN 978-0-7864-1809-1.〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Trucolor」の詳細全文を読む スポンサード リンク
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