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Thread: Paper negatives

  1. #831

    Join Date
    Jun 2008
    Location
    Melbourne, Australia
    Posts
    444

    Re: Paper negatives

    These are stunning Mark.
    Cheers Shane

  2. #832

    Join Date
    Nov 2011
    Posts
    181

    Re: Paper negatives

    Another RA4 paper negative...
    This is a quick shot of my little etching press. It ended up very dark, but same setting as previous shots - I guess I need more watts!

  3. #833

    Join Date
    Nov 2011
    Posts
    181

    Re: Paper negatives

    Quote Originally Posted by Barry Kirsten View Post
    ... do you have any idea which part of the chemistry may have changed to affect the colours in that way? My guess would be oxidation of one of the organics, e.g. a developer component, but I'm out of my depth with colour...
    As you guess, I also think it is probably the developer. There is a shot I took a few years ago - all the reds are gone, the carved angel's dress is pink - but is shows as blue. Next time I used the chems, it was dead.

    I think temperature also plays a part - but I cant quantify how that works exactly... maybe some colours are less active in lower temps?

  4. #834

    Join Date
    Oct 2012
    Location
    Boulder, co
    Posts
    627

    Re: Paper negatives

    sweet still life there.
    Quote Originally Posted by Mkillmer View Post
    I think temperature also plays a part - but I cant quantify how that works exactly... maybe some colours are less active in lower temps?
    Very likely temperature does. but I have heard mixed information on this, when looking into temperature variation. the high temp may be just for convenient processing time, and the colors stay well balanced at different temperatures (if you get the processing time right).

    Aside: anyone know if c41 chem can be used to dev Ra4 paper? pm me if so.
    ~nicholas
    lifeofstawa
    stawastawa at gmail

  5. #835

    Join Date
    Nov 2011
    Posts
    181

    Re: Paper negatives

    Yes, c41 Chems can be used to develop ra4 paper


    Sent from my iPhone using Tapatalk
    Last edited by Mkillmer; 30-Mar-2017 at 06:28.

  6. #836

    Join Date
    Nov 2011
    Posts
    181

    Re: Paper negatives

    Way over exposed 11x14 RA4 paper negative...

  7. #837

    Join Date
    Apr 2014
    Location
    Central TX
    Posts
    580

    Re: Paper negatives

    I think the picture looks great and doesn't look blown out or over exposed to me. Maybe I just like pictures of flowers.

  8. #838

    Join Date
    Nov 2011
    Posts
    181

    Re: Paper negatives

    11x14 RA4 paper negative
    This picture gives a good idea of the RA4 paper latitude - hardly any!
    Just a few feet away - you can't see other features in the room.

  9. #839

    Join Date
    Oct 2010
    Location
    Finland
    Posts
    41

    Re: Paper negatives

    I found box of old agfa grade 1 paper. Scanned from 18x24cm negative and inverted in photoshop. No preflash, f5,6 and about 2 sec exposure.

    Mariathene by Jukka, on Flickr

  10. #840

    Join Date
    Jul 2007
    Location
    Denmark, Europe
    Posts
    2,165

    Re: Paper negatives

    This is Emilie
    13x18cm paper negative.. Cooke 330 F3.5 series II lens
    Attached Thumbnails Attached Thumbnails Untitled-24-72.jpg  

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