Re: 2 bath developer?

[Godfrey DiGiorgi <ramarren >]

>I would give Rodinal 1:50-1:75 a try:  it's a great 
>developer for use with slow and even medium speed films.  Although the 
>grain is a little larger than with D-76, the accutance is incredible and 
>the tonal scale is really lovely and easily controlled by varying the 
>dilution - you can vary it from 1:25 to 1:100.  It's also very cheap and 
>keeps very well.

You can also soften the grain with Rodinal by using sodium sulfite in
the development mixture. 56 grams of sodium sulfite in 1L of water, 
then add Rodinal at 1:50 or 1:100 dilution. It will cost a little bit
of effective film speed, and you'll need to extend processing times 
a small amount. I just started playing with this on Minox film and 
the results are very encouraging, basically adding 1/2 stop exposure
and extending development 10-20% has improved my Agfapan 100 results
nicely so far. Still high acutance, lovely tonal scale, but a smoother
grain rendition.

Godfrey

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