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  1. #101
    Ian Grant's Avatar
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    Quote Originally Posted by RalphLambrecht View Post
    It's not going to be very useful if it's as contrasty as the direct positive paper. I don't know if the contrast is related to their direct-positive technology.
    Alt processes need a higher Dmax and contrast scale so it may be OK.

    Ian

  2. #102
    RalphLambrecht's Avatar
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    Quote Originally Posted by Ian Grant View Post
    I used Kodak Direct Reversal film to make enlarged copy negs for Alt processes about 20 years ago it was great film. But ideally a copy negative on conventional film needs to be reversal processed or its two copying stages.

    Ian
    Yes, that was the question. How does a direct-positive process compare to a double-copying process as far as quality (image gradation, sharpness, grain) goes?
    Regards

    Ralph W. Lambrecht
    www.darkroomagic.comrorrlambrec@ymail.com[/URL]
    www.waybeyondmonochrome.com

  3. #103
    Chazzy's Avatar
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    Quote Originally Posted by Mainecoonmaniac View Post
    It would be nice to have a positive film to copy negs for alternative processes. Right now I use an inkjet film which is pretty good.
    In the good old days, Kodak had a positive film like that, for making enlarged negatives without an interpositive.
    Charles Hohenstein

  4. #104
    AgX
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    Quote Originally Posted by Mainecoonmaniac View Post
    It would be nice to have a positive film to copy negs for alternative processes. Right now I use an inkjet film which is pretty good.
    There is such film, made by Agfa; available in sheets and wide long rolls.

  5. #105
    Ian Grant's Avatar
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    Quote Originally Posted by AgX View Post
    There is such film, made by Agfa; available in sheets and wide long rolls.
    What is it called ? Who sells it ?

    Ian

  6. #106
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    Quote Originally Posted by Ian Grant View Post
    What is it called ? Who sells it ?

    Ian
    ditto

  7. #107

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    Not the Agfa (as far as I know) but there is this stuff as well.

  8. #108
    Ian Grant's Avatar
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    Quote Originally Posted by RalphLambrecht View Post
    Yes, that was the question. How does a direct-positive process compare to a double-copying process as far as quality (image gradation, sharpness, grain) goes?
    The specialist copy films worked best whether the Colour Duping film, Inter-neg or B&W direct positive. Some Alt process users use reversal processing to eliminate two copy steps. Ed Buffalo has an article on Unblinkingeye.

    Most now are making Digital negatives, plenty of threads on HybridPhoto,

    Ian

  9. #109
    JBrunner's Avatar
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    I've been using APHS. It's a bear. I would bet the Ultrafine is APHS or the replacement.

  10. #110

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    Quote Originally Posted by JBrunner View Post
    I've been using APHS. It's a bear. I would bet the Ultrafine is APHS or the replacement.
    Except that the APHS is a negative film, isn't it? The Ultrafine is a direct positive dupe film.



 

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