Cross section scheme of Eastman Color Negative, Type 5250. Scource: Dundon, Merle L./Zwick, Daan M. (1959): A High Speed Color Negative Film. In: JSMPTE Vol 68, p. 736.
Cross section scheme of Eastman Color Type 5248. Scource: Hanson, W. T., Jr.; Kisner, W. I. (1953): Improved Color Films for Color Motion-Picture Production. In: Journal SMPTE, Vol. 61, Dec. 1953, p. 699.
“The Eastman Colour Films are multilayer films of the type in which the layers are not separated after exposure. Films of this class are known as Multilayer, Monopack or Integral Tripack. “Multilayer” is descriptive not only of this ...
Alien (USA 1979, Ridley Scott). Credit: Library of Congress. Photographs of the Eastman Color Print Film from 1979 by Joëlle Kost, ERC Advanced Grant FilmColors.
Photomicrograph of modern chromogenic stock, . Credit: Silvana Konermann.
Eastman Color chromogenic monopack. Source: Craig, G.J. (1953): Eastman Colour Films for Professional Motion Picture Work. In: British Kinematography, 22,5, 1953, pp. 146-158.
Color fading of Eastmancolor stock. Credit: Collection Gert Koshofer, Bergisch Gladbach (Germany). Source: Schultze, Werner (1953): Farbenphotographie und Farbenfilm. Wissenschaftliche Grundlagen und technische Gestaltung. Berlin: Springer.
Color reconstruction by Rudolf Gschwind, University of Basel. Credit: Collection Gert Koshofer, Bergisch Gladbach (Germany).
Color fading of Eastmancolor stock.
Source: Schultze, Werner (1953): Farbenphotographie und Farbenfilm. Wissenschaftliche Grundlagen und technische Gestaltung. Berlin/Göttingen /Heidelberg: Springer-Verlag. Photograph by Martin Weiss, ERC Advanced Grant FilmColors.
Source: Schultze, Werner (1953): Farbenphotographie und Farbenfilm. Wissenschaftliche Grundlagen und technische Gestaltung. Berlin/Göttingen /Heidelberg: Springer-Verlag. Photograph by Martin Weiss, ERC Advanced Grant FilmColors.
“One of the most elegant solutions to the problem of forming a colored image, lies in the utilization of the products formed by the action of the developer upon the latent image. By this means there is formed a dye image whose intensity follows ...
Source: Pénichon, Sylvie (2013): Twentieth Century Colour Photographs. The Complete Guide to Processes, Identification & Preservation. London, Los Angeles: Thames & Hudson, p. 161.
Subtractive 3 color: pigment process, still photography and film
“Duxochrome, introduced around 1930 by the Johannes Herzog Company of Bremen, Germany, combined the colored gelatin layers of pigment processes with the tanning development procedure of dye imbibition. Exposures from three separation negatives ...
Pénichon, Sylvie (2013): Twentieth Century Colour Photographs. The Complete Guide to Processes, Identification & Preservation. London, Los Angeles: Thames & Hudson, p. 106.
Credit: Illustration by Sarah Steinbacher, Multimedia & E-Learning-Services, University of Zurich. Source: Ryan, Roderick T. (1977): A History of Motion Picture Color Technology. London: Focal Press.
Source: Ryan, Roderick T. (1977): A History of Motion Picture Color Technology. London: Focal Press.
Credit: Illustration by Sarah Steinbacher, Multimedia & E-Learning-Services, University of Zurich. Source: Ryan, Roderick T. (1977): A History of Motion Picture Color Technology. London: Focal Press.
Source: Ryan, Roderick T. (1977): A History of Motion Picture Color Technology. London: Focal Press.
Source: Sease, V. B. (1949): DuPont's New Color Film. In:American Cinematographer, 30: 240, 257-258.
Credit: Illustration by Sarah Steinbacher, Multimedia & E-Learning-Services, University of Zurich. Source: Sease, V. B. (1949): DuPont's New Color Film. In:American Cinematographer, 30: 240, 257-258.
Additive 3 color: regular mosaic screen, still photography
“Paget plates were discontinued in the early 1920s. Apparently production costs had risen to an almost prohibitive amount after World War I due to the difficulties of producing screen plates without defect (Offer 1926).
The product reemerged ...
Subtractive 3 color: pigment process, still photography
“Dufaytissue materials, marketed by Dufay-Chromex Limited of London between 1941 and 1948, resembled Belcolor and were used to produce color prints by contact. After they had been sensitized and dried, the pigment films were exposed by contact ...
Pénichon, Sylvie (2013): Twentieth Century Colour Photographs. The Complete Guide to Processes, Identification & Preservation. London, Los Angeles: Thames & Hudson, p. 89.
Louis Dufay, Thomas Thorne Baker and Charles Bonamico (Dufaycolor Ltd., later Dufay-Chromex)
Additive 3 color: Line screen (réseau), 35 mm and 16 mm, reversal and negative-positive stock, still photography and film
Dufaycolor was a regular line screen process whereby the incident light was filtered through a pattern of tiny color patches created by lines in red, green and blue, the so called réseau.
Reversal Colour Positive. Credit: Courtesy of BFI National Archive. Photograph by Barbara Flueckiger. Film: A Colour Box (GB 1935, Len Lye).
Microscopic image of the filter structure of a Dufaycolor film. The Emulsion has been removed. The visible structures are not silver grain but the structure of the filter layers.
Credit: David Pfluger, ERC Advanced Grant FilmColors. Imaging was performed with support of the Center for Microscopy and Image Analysis, University of Zurich.
Microscopic images of Dufaycolor film with the focus set at different points within the emulsion and filter layers. The images have been chained to show a travelling through the 3-dimensional structure of the layers.
Credit: David Pfluger, conversion to video by Martin Weiss, ERC Advanced Grant FilmColors. Imaging was performed with support of the Center for Microscopy and Image Analysis, University of Zurich.
Louis Dufay (Société Anonyme des Plaques et Produits Dufay)
Additive 3 color: regular mosaic screen, combined system, still photography
“In 1907 the French lawyer Louis Dufay (1874-1936) patented a system whose screen pattern was obtained by the combined use of dichromated colloids, greasy printing inks, and imbibition. To take a photograph, the screen was mounted in a metallic ...
Pénichon, Sylvie (2013): Twentieth Century Colour Photographs. The Complete Guide to Processes, Identification & Preservation. London, Los Angeles: Thames & Hudson, p. 33.
Coote, Jack H. (1993): The Illustrated History of Colour Photography. Surbiton, Surrey: Fountain Press,
Credit: Cinémathèque française, conservatoire des techniques, Paris.
Source: Ede, François (1994): Jour de fête ou la couleur retrouvée. Cahiers du Cinéma: Paris.
Pénichon, Sylvie (2013): Twentieth Century Colour Photographs. The Complete Guide to Processes, Identification & Preservation. London, Los Angeles: Thames & Hudson, p. 71.
Source: Pénichon, Sylvie (2013): Twentieth Century Colour Photographs. The Complete Guide to Processes, Identification & Preservation. London, Los Angeles: Thames & Hudson, p. 73.
Pénichon, Sylvie (2013): Twentieth Century Colour Photographs. The Complete Guide to Processes, Identification & Preservation. London, Los Angeles: Thames & Hudson, p. 31.
Source: Pénichon, Sylvie (2013): Twentieth Century Colour Photographs. The Complete Guide to Processes, Identification & Preservation. London, Los Angeles: Thames & Hudson, p. 48.
Source: Pénichon, Sylvie (2013): Twentieth Century Colour Photographs. The Complete Guide to Processes, Identification & Preservation. London, Los Angeles: Thames & Hudson, p. 69.
Louis Dufay (Société Anonyme des Plaques et Produits Dufay)
Additive 3 color: regular mosaic screen, separate system, still photography
“In 1907 the French lawyer Louis Dufay (1874-1936) patented a system whose screen pattern was obtained by the combined use of dichromated colloids, greasy printing inks, and imbibition. To take a photograph, the screen was mounted in a metallic ...
Pénichon, Sylvie (2013): Twentieth Century Colour Photographs. The Complete Guide to Processes, Identification & Preservation. London, Los Angeles: Thames & Hudson, p. 32.
Subtractive 2 color: Separations, multi-layer prints
“Douglass Color No. 2 (1919). The two negatives of the Douglass Color system No. 1 were printed on a positive. In this updated version of the process, rather than projecting the frames through red and green filters, both latent images were ...
“This two-color additive system for color cinematography was invented in 1916 by Leon Forrest Douglass of San Rafael, California. A special beam splitter camera would advance each roll of film two frames per exposure with its double frame pull down ...
Source: Ryan, Roderick T. (1977): A History of Motion Picture Color Technology. London: Focal Press. Credit: Illustration by Sarah Steinbacher, Multimedia & E-Learning-Services, University of Zurich.
Source: Ryan, Roderick T. (1977): A History of Motion Picture Color Technology. London: Focal Press.
Source: Ryan, Roderick T. (1977): A History of Motion Picture Color Technology. London: Focal Press. Credit: Illustration by Sarah Steinbacher, Multimedia & E-Learning-Services, University of Zurich.
Additive two color process: rotating filters and toning
The film is recorded through alternating red and green filters, creating two color separations. After development, the print is placed in two alternating dye-baths, toning the blacks green and the whites red. Additionally, a black-and-white copy is ...
Subtractive 3 color: dye imbibition process, still photography
“In 1942 Defender Photo Supply Company of Rochester, New York, introduced a panchromatic matrix film called Pan-Chroma-Relief Film, which simplified the making of dye imbibition prints from original Kodachrome or Ansco Color transparencies. Up ...
Subtractive 3 color: dye imbibition process, still photography
“In 1939 Thomas S. Curtis (1889–1964) proposed Orthotone, a dye imbibition printing method that was primarily a variation of the widely used Eastman Wash-Off Relief. Orthotone offered its practitioners complete control on the contrast or ...
Pénichon, Sylvie (2013): Twentieth Century Colour Photographs. The Complete Guide to Processes, Identification & Preservation. London, Los Angeles: Thames & Hudson, p. 142.
Subtractive 3 color: dye mordanting process, still photography
“In 1939 Thomas S. Curtis of Huntington Park, California, introduced Curtis Neotone, a simple dye mordanting printing method for the production of color prints or transparencies from color separation negatives. With Curtis’s method, a ...
Jack Crawford, Crawford Flexichrome Company (Eastman Kodak Company)
Subtractive 3 color: hybrid dye imbibition process, still photography and film
“In the 1940s a product called Crawford Flexichrome appeared on the market. It allowed photographers to obtain prints or transparencies in full color by simply applying dyes of various colors by hand to a gelatin relief image. Results obtained ...
Pénichon, Sylvie (2013): Twentieth Century Colour Photographs. The Complete Guide to Processes, Identification & Preservation. London, Los Angeles: Thames & Hudson, p. 145.
Credit: Illustration by Sarah Steinbacher, Multimedia & E-Learning-Services, University of Zurich. Source: Ryan, Roderick T. (1977): A History of Motion Picture Color Technology. London: Focal Press.
Source: Ryan, Roderick T. (1977): A History of Motion Picture Color Technology. London: Focal Press.
Subtractive 3 color: dye diffusion process, still photography
“Agfa-Gevaert developed its own instant printing materials during the 1980s, Agfachrome-Speed and Copycolor, both introduced commercially in 1983. Agfachrome-Speed was a single-sheet integral print material, whereas Copycolor was a peel-apart. ...
Louis M. Condax, Condax-Speck, Inc., New York, Robert P. Speck
Subtractive 3 color: dye imbibition process, still photography
“Around 1940, Condax-Speck, Inc., of New York started to market dyes and mordant for the Condax-Dytrol system of dye imbibition printing (Fig. 4.19). The system, developed by company owners Louis M. Condax (1897–1971) and Robert P. Speck, ...
Subtractive 3 color: dye imbibition process, still photography
“In 1929 the London firm Colour Snapshots Limited introduced Colorsnap, a printing service based on the dye imbibition process for a tripack roll film called Colorsnap and manufactured by Ilford Ltd. (Monopolies Commission 1966). The tripack ...
Pénichon, Sylvie (2013): Twentieth Century Colour Photographs. The Complete Guide to Processes, Identification & Preservation. London, Los Angeles: Thames & Hudson, p. 137.
Subtractive 2 color: Beam-splitter, double-coated film
“The principle of the subtractive colour process was described first by Louis Ducos du Hauron in 1868.
Although eminently suitable for colour motion pictures, the principle could not be applied until means were found of producing several colour ...
“Coloratura. This is the process of Pathé Exchange at Bound Brook, N. J. Negatives are made by the bi-pack method. Prints are made on double-sided film and are dye-toned on one side and metallic-toned on the other. The double-sided film, ...
Additive 3 color: Additive 3 color, still photography
“In a lecture on the theory of three primary colors, given at the Royal Institution of Great Britain on May 17, 1861, Maxwell presented the first demonstration of a photograph in color. According to the records of that meeting (Maxwell, 1890c, ...
“The first two-colour additive method in which the two components were taken and projected simultaneously was the Colcin process, in 1913. The result of a Franco-Japanese collaboration, it was demonstrated at the International Kinematographic ...
Additive 2 color: Prism, rotary filter, double-sized film
“[…] pictures were taken side by side, full-size, on double-width film, the film not only being perforated on the edges but also down the centre between the pairs of images.”
(Klein, Adrian Bernhard = Cornwell-Clyne (1940): Colour ...
Subtractive 3 color: dye destruction process, silver dye-bleach, still photography and film
“The materials and processes described thus far have been either unsuccessful or short-lived for one reason or another; the trend changed with the launch of Cibachrome in the 1960s. The product and its subsequent forms dominated the silver ...
Pénichon, Sylvie (2013): Twentieth Century Colour Photographs. The Complete Guide to Processes, Identification & Preservation. London, Los Angeles: Thames & Hudson, p. 216.
(Technique adapted from print media and laterna magica)
Applied colors: printing
Widely used in print media around 1900, the chromolithographic printing process was first adapted for the Laterna Magica and then utilized to produce early animated films primarily aimed at children. These films were usually very short ...
Francis H. Snyder, Henry W. Rimbach, Defender Photo Supply Company
Subtractive 3 color: silver toning, still photography
“Chromatone was the first commercially viable process of color print making entirely based on silver toning. It was developed in the early 1930s by the New Yorkers Francis H. Snyder and Henry W. Rimbach, who patented the toning methods and ...
Pénichon, Sylvie (2013): Twentieth Century Colour Photographs. The Complete Guide to Processes, Identification & Preservation. London, Los Angeles: Thames & Hudson, p. 282.
Pénichon, Sylvie (2013): Twentieth Century Colour Photographs. The Complete Guide to Processes, Identification & Preservation. London, Los Angeles: Thames & Hudson, p. 283.
Subtractive 3 color: dye coupling or chromogenic process, still photography
“In 1912, two chemists at N.P.G. in Berlin, Rudolf Fischer (1881-1957) and Hans Siegrist (1885-1959), introduced the notion of color couplers and patented the application of Homolkas discovery. Their patent described the structure and chemistry ...
“Chemicoior was the name under which the German Ufacolor Process was marketed in Britain. Ufacolor was also marketed under the name Spectracolor. The process used Agfa bipack negatives loaded with the emulsion sides facing and separated by a ...
Subtractive 3 color: pigment process, still photography
“References to Carbro-Chromatone prints are sometimes found in the literature on early color photography. These prints were made using a combination of the two processes they were named after. The method was described by Harlan L. Baumbach in ...
Additive three-color: line screen, still photography and film
Process for still photography in which light is filtered through a screen or transparent plate covered in lines or dots in the primary colors orange, green and violet. For the positive, the process relies on a support material which includes an ...
Credit: Gert Koshofer Collection. Photograph by Barbara Flueckiger.
Source: Klein, Adrian Bernhard (Cornwell-Clyne) (1940): Colour Cinematography. Boston: American Photographic Pub. Co.
Source: Eggert, John (1932): Kurzer Überblick über den Stand der Farbenkinematographie. Bericht über den VIII. Internationalen Kongress für wissenschaftliche und angewandte Photographie, Dresden 1931, pp. 214-222. Leipzig: J. A. Barth.
Source: Cornwell-Clyne, Adrian (1951): Colour Cinematography. London: Chapman & Hall.
Credit: Illustration by Sarah Steinbacher, Multimedia & E-Learning-Services, University of Zurich. Source: Cornwell-Clyne, Adrian (1951): Colour Cinematography. London: Chapman & Hall.
Credit: Illustration by Sarah Steinbacher, Multimedia & E-Learning-Services, University of Zurich. Source: Cornwell-Clyne, Adrian (1951): Colour Cinematography. London: Chapman & Hall.
Credit: Illustration by Sarah Steinbacher, Multimedia & E-Learning-Services, University of Zurich. Source: Cornwell-Clyne, Adrian (1951): Colour Cinematography. London: Chapman & Hall.
Credit: Illustration by Sarah Steinbacher, Multimedia & E-Learning-Services, University of Zurich. Source: Cornwell-Clyne, Adrian (1951): Colour Cinematography. London: Chapman & Hall.
Coote, Jack (1948): New Three-Color Camera, In: Journal of the Society of Motion Picture Engineers, vol. 50, June 1948, pp. 543-553.
Coote, Jack (1948): New Three-Color Camera, In: Journal of the Society of Motion Picture Engineers, vol. 50, June 1948, pp. 543-553.
Subtractive 2 color: Perforated mirror as beam-splitter, duplitized film
“Following the premises of one of William Friese-Greene’s systems, this two-colour subtractive process required that two reels of film be printed in parallel through a lens fitted with a prism that split light in two directions, through red ...
Subtractive 2 or 3 color: Perforated mirror as beam-splitter, duplitized film
“The Brewster Process.
(U.S.P. 1,752,477. 1930-)
Camera. – P. D. Brewster, an American inventor, who was one of the first to apply the bipack system to colour cinematography, has a number of patents to his credit covering various cameras and ...
The procedure for obtaining the lenticular elements in relief required a series of steps: starting from three black and white positive color separations, obtained with any of the available methods, three matrices were printed, from which the film to ...
Projection of lenticular film in Bocca-Rudatis. Refraction of light beams through lens. Source: Pierotti, Federico (2016): Un'archeologia del colore nel cinema italiano. Dal Technicolor ad Antonioni. Pisa: Edizioni ETS, p. 81.
William Friese-Greene and Colin Bennett; Claude Friese-Greene
Additive 2 color: Alternately stained images
“Inevitably, the success of Kinemacolor led to the appearance of imitations. One company, Friese Greene Patents Ltd had been formed in 1908 to exploit several patents, mostly impractical, filed by Friese Greene. From this came a new company, ...