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  1. #21

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    I did hear at school about the correct writing of the Iso speed. As for of the EI that has to come to me. I'm stuck on Iso and Asa ratings.
    I can rate my portriga speed grade 2 paper at EI 6,4 and it makes sense? Because if I use longer exposure the EI will differ. Hmmmmm I will ask at school as well.
    Last edited by Peter de Groot; 12-31-2009 at 06:10 AM. Click to view previous post history.
    Reality is whatever stays when you stop believing in it.
    darkroomninja.blogspot.com

  2. #22
    Joe VanCleave's Avatar
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    Not to confuse the issue, Peter, but there really isn't a true ISO or ASA speed for photo paper that is equivalent to what we are used to seeing with films, since photo paper isn't manufactured for the purposes of being used as an in-camera film. So, we're using this paper for a purpose for which it wasn't intended.

    Thus, I'm using the term "Exposure Index" to mean the working "speed" of the paper that you personally find through experimentation, when used as an in-camera "film".

    There are no hard or fast "rules" that you have to follow when using paper negatives, as long as you're able to achieve the results that please you.

    And I look forward to seeing more of your images.

    ~Joe

  3. #23

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    Aha there goes the confusion. :-) I did figure out that the exposure times I used are pretty decent. Some fine tuning may be needed but the results are pretty decent. I will scan the pics today and put them online. Or tomorrow as it is new years eve.
    Reality is whatever stays when you stop believing in it.
    darkroomninja.blogspot.com

  4. #24

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    Here are the prints. I like the result and will continue with it. Next thing to try is the contact printing. The positives that I posted where made digital for comparison.
    Paper neg 1:


    The positive version:


    Paper neg 2:


    And the positive version:


    I can see that the lighter the negative the better the end result. Nice!

    greets,

    Peter
    Last edited by Peter de Groot; 01-01-2010 at 04:01 AM. Click to view previous post history. Reason: wrong link uploaded
    Reality is whatever stays when you stop believing in it.
    darkroomninja.blogspot.com

  5. #25

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    paper negs's are a sweet thing especially if youre shooting 8x10; does anybody know if those silver chloride printing papers are still available out there?
    read alot of good stuff about lodima and co but just cant find that stuf anywhere ;-(

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