Journal of the Society of Motion Picture Engineers (1930-1949)

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412 J. A. DUBRAY Flesh tones are exceptionally good, much better than heretofore obtained, to our knowledge, with any two-color process. The backing-up phase of the projection is radically new in projection practice, and is responsible for the ability to show ordinary movement without any apparent trace of flicker or objectionable color fringing, so that for practical purposes, bearing in mind the slight limitations of the process, it is quite satisfactory for industrial and educational applications. FIG. 9. Details of cam and double shutter. An advantage of the process is the fact that considerably less light is needed for color photography, and that large color pictures can be projected quite readily. With the 400-watt lamp now widely used, an 8 X 10-ft. picture of adequate brilliance for an audience of one to three or four hundred is quite satisfactory. Some interesting work is being done with this new process, including time-lapse work with growing flowers, medical cinematography, and the like. REFERENCE 1 MATTHEWS, G. E.: "Processes of Photography in Natural Colors," /. Soc. Mot. Pict. Eng., XVI (Feb., 1931), No. 2, p. 188. "Photography of Colored Objects," Eastman Kodak Co., Rochester, N. Y.