Lumiere ALTICOLOR: last of the Autochrome?

Discussion in 'Alternative Processes' started by ZorkiKat, Oct 30, 2006.

  1. ZorkiKat

    ZorkiKat Member

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    Jack Coote in his book "History of Colour Photography" mentioned Alticolor as the last of Lumiere's additive-screen colour camera materials, introduced in 1952. There's a sealed pack of 10 Alticolor films for sale on eBay now:

    http://cgi.ebay.com/French-Lumiere-...07QQihZ018QQcategoryZ4702QQrdZ1QQcmdZViewItem

    Could be of interest to Autochrome enthusiasts. One of these rolls could perhaps be 'dissected' to see if the dyed starch screen was used till the end.
    Alticolor, like the earlier Filmcolor was on plastic film bases, not glass.

    Jay
     
  2. htmlguru4242

    htmlguru4242 Member

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    10 rolls, 8 exposures each, thats sure a lot of film to play with.

    Actually, this stuff used tiny, dyed yeast grains instead of stach. The rest of the structure is similar to the Autochrome plates, except that it is on a flexible film base.


    Too bad that the stuff is 106 format; (~3.5" tall i THINK), a too big for 120 cameras, though probably it could be cut down. Its only from 1952, and the emulsion was probably not faster than ISO 25-32, so that'd probably still be able to yeild pictures.

    If only it wasn't $39.99 ...
     
  3. ZorkiKat

    ZorkiKat Member

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    The speed would probably be slower than ISO 25 to 32 (or else they would have staked the claim for the fastest colour film, given that Agfacolor and Kodachrome were just ISO 10...15 at that time).

    Processing could be derived from some BW reversal process. Those screen-plates had BW emulsions anyway.
     
  4. htmlguru4242

    htmlguru4242 Member

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    Keep in mind that the screen shaves off a stop or two of speed, so, assuming two stops, in order to be ISO 6, the emulsion would have to be ISO 25.
     
  5. Photo Engineer

    Photo Engineer Subscriber

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    That speed would have been very grainy and hard to control back in the early days of Autochrome, but in the 50s would have been a mid speed emulsion.

    PE
     
  6. emoreshtehrep

    emoreshtehrep Member

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    Hello guys

    I am a new Apug member. I bought two Alticolor rollfilms, they are 12 ASA and the sellers told me that they must be developed as if it was a BW rehearsal film.
    Does anyone know a way to develop a 12 ASA BW rehearsal film ?

    Thanks.
     
  7. railwayman3

    railwayman3 Member

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    I envy you the chance of trying out this quite historic film!

    IMHO, it's worth some research to find the right process and maximise your chance of success.

    Maybe one place to ask would be www.dr5.com. (I think the guy is an APUG member and posts on the forums sometimes?)
     
  8. Ian Grant

    Ian Grant Subscriber

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    The Lumiere reversal formulae were all published widely, I have them in the UK in two or there books. In the 1970's/80's I worked closely with someone who's mother was from the Lumiere family, she'd married an Englishman, I still see him occasionally.

    Ian