Rodinal Questions

Discussion in 'B&W: Film, Paper, Chemistry' started by geraldatwork, Jul 7, 2005.

  1. geraldatwork

    geraldatwork Member

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    I've primarily been using Delta-400 and D-76 1+1 for the past few years (35mm) enlarging up to 11X14 and wanted to start trying some Rodinal. I developed a test roll of bracketed exposures of the Delta in Rodinal 1+50 for 19 minutes and the results timing wise were right on with the negatives looking real nice under a loupe. I have yet to enlarge a negative. I will soon try some tests with Tri-X and HP-5. My questions are what differences do you get with different dilutions as to grain,contrast,tonality etc.. I see people using 1+25 up to 1+200 and am interested as to why.
     
  2. titrisol

    titrisol Member

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    I think there is at least 1 more thread about this.
    Also, have you read unblinkingeye's article on Rodinal?

    Rodinal is a strange animal in the sense that increasing dilution doe not increase the grain size, it decreases it.
    More diluted rodinal lowers the overall contrast, thus a longer tonal scale.
    Development times are extended by using diluted developer but IMHO film speed loss is not noticeable.

    As I have said before I belive the best trade-off is Rodinal 1+100+VitC as per patrick Gainer invaluable teachings.
     
  3. Paul Sorensen

    Paul Sorensen Member

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    I ususally use 1:50 to control the contrast better, but I have had good results at 1:25 as well. I have tested a little bit with 1:100 for night shooting and lowering contrast a great deal and it worked very well, but I haven't done much with it.

    In general, I have always liked the grain I have gotten with Rodinal regardless of the dilution, so I would agree from my experience with Titrisol's statement. I think I will try the vitamin C next.

    Paul.

    Oh, one more thing. I would assume that you will get rather noticible grain with TX and HP5 with Rodinal at 35mm.
     
  4. david b

    david b Member

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    I'm sure this has been written before, but I find rodinal works best with slower films but there are a lot of people who like tri-x in rodinal. I think Bill Brabdt was one of them, please correct me if I am wrong.

    I love APX 100 at 100 and dev'd 1+100 for 22 minutes. Some of my best negs have come from this combo.
    I also love Pan F at 50 and dev'd 1+50 for 13 minutes.

    I have never used tri-x and rodinal.
     
  5. argus

    argus Member

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    I soup my HP5 in Rodinal 1+50 for 12' and rate it as 200 ASA. Agitation for the first 3à seconds, then every minute and at 7' every 2'30". Nice results. As I am not that kind of tester, I can't give you comparisons to anything else.

    I'm currently experimenting with stand development for sheet film. FP4 in 1+100 for 40' seems to work fine but don't trust my word on it. I roll the tank a few times every 15 minutes.

    I bought some 4x5 TriX 320 yesterday and I'm eager to see the results. Does anyone have a recommandation for TriX in Rodinal? Digitaltruth is very sparse on info on the subject. Gerald mght be helped with it as well.

    Why do I use Rodinal? It's not expensive and quite a bit elitist :wink:

    G
     
  6. titrisol

    titrisol Member

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  7. Andy K

    Andy K Member

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    Hmmm... maybe APUG needs a Rodinal forum or sub-forum? :wink:
     
  8. argus

    argus Member

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    my thought exactly :smile:

    G
     
  9. titrisol

    titrisol Member

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    or a FAQ section?
     
  10. modafoto

    modafoto Subscriber

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    :D
     
  11. modafoto

    modafoto Subscriber

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    I do my films in 1+50 to be able to control the contrast better while still having a dev time that will make me capable of doing other stuff that day :smile:

    I tend to develop a bit more for the contrast to increase and make my negs crispy.
     
  12. JHannon

    JHannon Member

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    I am with you on this David. I like the slower films in Rodinal too. The APX 100 (4X5) was very nice but now it is gone (sniff).... I will have to try the Pan F....
     
  13. titrisol

    titrisol Member

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    try the EFKE films, you won;t be dissapointed
     
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  15. garryl

    garryl Member

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  16. Andy K

    Andy K Member

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    Ilford Delta 100 is quite nice in the Holy Hot Rod. See attached, shot with Canonet QL17 GIII developed in Rodinal 1+50 for 16minutes at 20c.
     
  17. jim appleyard

    jim appleyard Member

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    Althought I have never done any testing of what different dilutions do with Rodinal, nor have I put prints side-by-side, I would suspect that the differences would be subtle.

    I like Tri-X in Rodinal, but I don't use that combo for fine grain, no matter what the dilution, I use it for the tonality.
     
  18. modafoto

    modafoto Subscriber

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    That is not until after the fixxxing :tongue:
     
  19. modafoto

    modafoto Subscriber

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    OH YEAH! MY FAVOURITE!
     
  20. argus

    argus Member

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    Urgent! Moderator wanted, this thread shows too much enthousiasm!!!
     
  21. Marc Leest

    Marc Leest Member

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    I soup all my 120 film in Rodinal 1:50;
    APX100 @64 - 17min
    Neopan400 @320 - 12min
    Why making things complicated.

    M.
     
  22. Ole

    Ole Moderator Staff Member Moderator

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    Maybe we need a little enthusiasm right now?

    Anyway I'll be trying Rodinal next week - for the first time ever. Watch this space for further displays of immoderate enthusing!
     
  23. Andy K

    Andy K Member

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    Morten, you better get a new set of Acolyte's robes ready! :wink:
     
  24. modafoto

    modafoto Subscriber

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    I just got moderated for ejaculating on APUG :D

    What an APUGasm...

    Ok, I stop now :smile:

    I just needed to kid around after visiting the London Attack thread :sad:
     
  25. Andy K

    Andy K Member

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    LOL!! :D
     
  26. modafoto

    modafoto Subscriber

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    Will have! A trip to Norway would be great.
    Ole as the Official National COR Acolyte of Norway...nice!