Talk:List of color film systems

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Other color processes[edit]

Here is a list of color processes that I don't have enough information about to put on this chart but that I know exist. If someone out there perhaps has some more info on each, it would be appreciated here:

  • Hillman Process: An additive process that "drew mild interest from Sir Alexander Korda in London in 1933 until Technicolor came along"
  • Herault Trichrome: Additive system (early '30s) that used alternating red/green/blue frames.
  • Bassani Process: Introducd by the Societe Chromofilm of France, additive process that "produced 96 movements of the film gate per second"
  • Pinchart System: Additive. Used a complex series of lenses.
  • Gilmore Color: Two-color additive. Two records side-by-side on each frame. C. 1918
  • Bertrand Color: Circa 1947. Prints off of 16mm Kodachrome to 35mm.
  • Kalichrome: 2 color or 3 color available. Duplex stock.
  • Thomson-Color: Lenticular color
  • Diacolor: First used in 1953. No info about the mechanics.
  • Illford Color: 1948, UK. Similar to Kodachrome 16mm.
  • Dufaychrome: Based on the Tricolor process
  • Alfacolor: Gaevert film.

-The Photoplayer 19:35, 15 August 2006 (UTC)

Google Patents[edit]

Google Patents now offers an excellent resource to search U.S. patents by keywords and years of filing or issue. I just made some changes to the inventors of the various Technicolor processes, using this database. Search with keyword "Technicolor" and choose your year range (the earliest patent assigned to Technicolor is from 1917). — Walloon 20:18, 26 May 2007 (UTC)

1902 colour film recently discovered[edit]

A BBC article discusses it here: [1]. (talk) 18:32, 12 September 2012 (UTC)

Already on the list as "Lee-Turner colour 1899". The process itself is not news. AVarchaeologist (talk) 07:54, 11 November 2012 (UTC)
Updated process info at Edward_Raymond_Turner#Lee-Turner_Colour , could do with more work though if anybody is interested? Da5nsy (talk) 16:42, 8 April 2013 (UTC)

Ringers and fuzzy boundary lines[edit]

The source(s) used for founding this article managed to scoop up a number of early processes used only for still photography, and I have just deleted several of them, namely, Joly, Utocolor, Kromoscope [sic] and Finlay. Specifics can be found in the edit summaries.

The Warner-Powrie process was similar to Joly, but with a much finer screen, so it just conceivably might have been used for some experimental (perhaps large-format?) cinematography. Because a mysterious Untitled Film (1928) is listed for it, I have left it alone pending further research... (Instant update #1: Powrie did, indeed, patent a line screen motion picture product in 1926 and demonstrate it in 1928, but it had an extremely fine line structure and lumping it together with the Warner-Powrie still photography product of 1906 seems very indiscriminate. Barbara Flueckiger's splendid and amply-illustrated Timeline of Historical Film Colors, which also incautiously tosses in still-only processes—the uninitiated would be well-advised to read very carefully and be on the lookout for the magic words "still photography"—dates Powrie's motion picture process to 1924 for reasons which are far from clear.)

Likewise, Polychromide, as I recall, was strictly a two-color photographic paper print process, but I will double-check for any motion picture system by that name before deleting. (Instant update #2: sure enough, the name was later used for a subtractive two-color motion picture print process, which Flueckiger dates to 1918.)

The entry for Keller-Dorian is more problematic. It was most certainly used for motion pictures, but nowhere near as early as 1908. Unhelpfully, the "year of completion" specification does not make clear what constitutes "completion". In this case, does the description of a complete system in print or in patents, or its practical use for still photography, lock in a much earlier date even if its first use for motion pictures was in the 1920s?

Frankly, the open door provided by the overall soft definition of this list as of processes "known to have been developed" lays it open to vast expansion by the addition of every half-baked or unworkable new process, or alleged improvement of an old one, that was ever touted in print or trotted by the patent office. Perhaps it would be more useful to confine the list to processes that were actually used in a public presentation of some kind, even if only for a single screening in one theater? That would, however, exclude the Lee-Turner three-color additive system, impractical in its time but recently in the news thanks to digital restorations of some test films. AVarchaeologist (talk) 12:33, 11 November 2012 (UTC)

Is there a version of this page that encompasses film for stills photography? Currently colour photography links to this page as it is the best resource(??) for such a list... Da5nsy (talk) 16:47, 8 April 2013 (UTC)