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  1. #11

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    Rather confusingly, Agfa seemed to use the "Agfacolor" name for both reversal and negative films, e.g. Agfacolor CT18. (At least in the UK and Europe?)

  2. #12
    AgX
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    Quote Originally Posted by Prof_Pixel View Post
    Since the Agfa reversal film I shot was in the late '50s, it was Agfachrome. See http://en.wikipedia.org/wiki/Agfacolor
    Do not trust the Internet...


    Agfacolor was the trade name for all of Agfa's colour materials starting with their random grid additive plates and films, going to their lenticular films up to their subtractive materials.

    Following the US manner of designating colour reversal materials with the ending "-chrome" Agfa changed for the US market the designation of their amateur reversal films to Agfachrome in the 60's.
    In 1970 they did so with their professional range and in 1978 with their consumer films in the non-US market.

  3. #13
    AgX
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    As there were a lot of manufacturers of subtractive reversal films, those transparencies could be a lot of materials.

    Though that silver-image in part of those transparencies reduces the number. It could be due to a positive silver-mask (that could be viewed as a negative in reflective lighting) based in the lower layers.
    This would reduce the number of manufacturers to 4.

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