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Thread: For you BTZS Folks

  1. #1

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    For you BTZS Folks

    I posted this same question over on the AZO forum, but I figured I might get more exposure here. I apologize for the double post.

    I have just entered the world of BTZS and ExpoDev. I have a full film test for TMY-2 and have the file loaded into the ExpoDev software. Until my Lodima paper arrives in late December or January and I can begin learning how to contact print, I want to start exposing/developing my TMY-2 for printing on Lodima Grade 2 (I also have some Grade 3 coming).

    In the ExpoDev software, it requires the ES for the paper to be used. Until I receive the paper and do the proper testing, I am spinning my wheels trying to use the ExpoDev software without this important data point.

    Now the question:

    Does anyone have a good starting value I can plug in until I can get my own testing done?

    Thanks,
    Jim Cole
    Flagstaff, AZ
    http://www.jimcolephoto.com

  2. #2

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    Re: For you BTZS Folks

    Jim,

    Try 1.6, that should get you close with the grade 2.

  3. #3

    Re: For you BTZS Folks

    here are 2 paper files from ABC and pyrocat negs read in blue mode

  4. #4

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    Re: For you BTZS Folks

    Thanks guys!
    Jim Cole
    Flagstaff, AZ
    http://www.jimcolephoto.com

  5. #5

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    Re: For you BTZS Folks

    Quote Originally Posted by chris_4622 View Post
    Jim,

    Try 1.6, that should get you close with the grade 2.
    Interesting. That is about the same ES of the Canadian AZO 2.

    Sandy King
    http://www.sandykingphotography.com/
    For discussion and information about carbon transfer please visit the carbon group at Yahoo.
    https://groups.yahoo.com/neo/groups/...nTransfer/info

  6. #6

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    Re: For you BTZS Folks

    Quote Originally Posted by chris_4622 View Post
    Jim,

    Try 1.6, that should get you close with the grade 2.
    Chris,

    The ExpoDev software will not allow anything over 1.05. Is there a way to skirt this?

    Jim
    Jim Cole
    Flagstaff, AZ
    http://www.jimcolephoto.com

  7. #7

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    Re: For you BTZS Folks

    I think you might have to adjust that in the Plotter software and then sync up.

    Wouldn't an ES of 1.6 make for a very contrasty negative, one suited for paper grade 0? Maybe I misunderstand.
    Last edited by jeroldharter; 8-Oct-2009 at 18:35. Reason: question

  8. #8

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    Re: For you BTZS Folks

    Quote Originally Posted by sanking View Post
    Interesting. That is about the same ES of the Canadian AZO 2.

    Sandy King
    That is what I was referring to since I don't have the new paper yet. I figured with the water bath method he could control the little extra contrast. Not very scientific, I know.

  9. #9

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    Re: For you BTZS Folks

    Quote Originally Posted by jeroldharter View Post
    I think you might have to adjust that in the Plotter software and then sync up.
    Thanks Jerold,

    Fred at the View Camera Store adjusted my ExpoDev film file to a 1.4 curve to use temporarily which would barely allow for a sufficient SBR with the film/developer combo I use.

    I'm going to re-do my TMY-2 film test using a less diluted DD-X which should allow for a full 1.5 or 1.6 ES for the Lodima paper.
    Jim Cole
    Flagstaff, AZ
    http://www.jimcolephoto.com

  10. #10

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    Re: For you BTZS Folks

    Quote Originally Posted by Jim Cole View Post
    Thanks Jerold,

    Fred at the View Camera Store adjusted my ExpoDev film file to a 1.4 curve to use temporarily which would barely allow for a sufficient SBR with the film/developer combo I use.

    I'm going to re-do my TMY-2 film test using a less diluted DD-X which should allow for a full 1.5 or 1.6 ES for the Lodima paper.
    If you do not have the Plotter software, it is well worth having. If you get into testing, you can pick up an X-Rite densitometer easily for <$100 and do as many film and paper tests as you want. Especially if you are using relatively expensive materials such as TMAX, Lodima, and Amidol you will probably save money in the end.

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