martedì 18 ottobre 2011

Note per sviluppare in stand con Rodinal



http://www.rangefinderforum.com/forums/showpost.php?p=927796&postcount=47

I stumbled onto Rodinal 1:100 stand development about a month ago, and after 40? rolls of film I have had only one film that was less then optimal.

The list of films I have developed -

Plus-X
Tri-X
Tri-X EI 6400
Rollei Retro 100
Rollei Retro 400
Pan F
Efke KB25
Efke R25
Efke KB100
Efke KB100 EI 200
Efke KB400
Efke KB 400 EI 3200
Ektapress 1600
Kodak Gold 100
Konica Centuria 100
Agfapan 25

The best emulsions for Rodinal 1:100 stand development are the Efke film with the Efke 25 simply mind-blowing...

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Films that are shot at speed - 35mm -

Several minute water bath
Rodinal 1:100 - disregard temperature unless extreme heat or cold
1 minute of slow inversions, maybe 20 in 60 secs
3 really hard thumps to dislodge air bubbles, very important
DO NOT TOUCH for 59 minutes, a couple minutes extra will not harm anything(the DO NOT TOUCH is very, very important)
3 water baths then fix and rinse

For medium format, I change the dilution to 1:125 and be sure to use 500mm of solution per roll. Everything else the same.

Pushed film, such Tri-X EI 6400 or Efke KB400 EI 3200...

Several minute water bath
Rodinal 1:100 - disregard temperature unless extreme heat or cold
1 minute of slow inversions, maybe 20 in 60 secs
Every 30 minutes swirl the tank, like you would a glass of wine, for 15 seconds. Do not invert!
Total time - 120 minutes
3 water baths then fix and rinse

That is it.

Some notes...

Expose for the highlights, you will have no trouble with shadow details. Very important to not over-expose as you can quickly lose highlights, if in doubt under-expose a bit.

Negatives will come out of the tank quite 'flat', even when shooting a very high contrast scene. Add contrast when printing or scanning.