Acros 100 at 32iso

Discussion in 'Black and White' started by daniel_overbeek, Aug 10, 2008.

  1. Does anybody have any idea how i can develop them? can I process them with DDX or Rodinal because those are
    the 2 i have right now. or should I buy another one? thanks in advance.
     
  2. Check this chart and extrapolate the approximate time from the existing recommendations:

    http://www.digitaltruth.com/devchart.html
     
  3. Recommend the Rodinal, since it's more prone to losing film speed, where DD-X tends to offer more speed, which you don't need in this case.
     
  4. rodinal 1:100 constant inversions for the first minute, 3 inversion per minute for 3 minutes, then stand with no
    inversions for 16 minutes.

    or

    rodinal 1:100 constant agitation for the first minute, 3 inv every 3min for 18minutes


    you should get a neg with great shadows ( due to your ei32 ) with printable highlights.


    hope this helps.
     
  5. Fuji Neopan 100 Acros

    Normal lighting contrast: ASA/ISO 100 Rodinal 1:50 Agitate vigorously for 15 seconds then 5 sec each 60 seconds

    68F 8.5 min, 70F 8 min, 72F 7 min, 75F 6.5 min

    Zone 5 grey card net density, .70

    GBar .50

    I have additional info from 1:1 ratio to 32:1 ratio

    This is a terrific combo, however the tonal changes can be so subtle that the product can have an unusual look.

    I personally use TMX, D100, Acros 100, and New PX Pan. All the techniques are to the same international sensitometric standards but different films have different looks, or in some cases, are more fragile in accidental exposure or development error. Plus X and full strength D76 for example are extremely sharp and don't exhibit any grain for about 20x enlargement and will tolerate minor variations in exposure. D100 and Rodinal (either 1:25 or 1:50) loses about a 1/2 stop of speed and starts to show grain around 18X, but is very sharp and and tolerates my own occasional imperfections. TMX in Rodinal is incredibly sharp and fine grained but for me, tends to a bit pretty sensitive to user error (and few of us are perfect), however, when I'm looking for dynamite results I'll always consider that.

    Lynn
     
  6. Under higher light contrast conditions I am using Acros 100 at iso 64 in Rodinal 1+50 which is indeed a very good combination.
    iso 50 or iso 32 you can use with ultra fine grain developers and Acros like Perceptol and CG512/Rollei Low Speed. The last one gives neglectible grain and still some acceptable sharpness. However it's a 24 degrees C. developer.

    http://www.fotohuisrovo.nl/documentatie/CG-512%20ontwikkeltabel.pdf
     
  7. For any who want the information, email me and I'll send data on several films and developers.

    Lynn
     

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