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Saturday, November 28, 2015

Is Caffenol a fine grain developer?

 I got two packs of 30.5 m TMax-400 film expired in 1998. From the beginning I saw that this film was very grainy and I had to search for a fine grain developer. After some bad experiences, I decided to make a batch of a Diafine clone and it worked more or less well, giving still grain but acceptable.

Expired TMax-400 developed with a Diafine Clone

But I always had the impression that films developed with Caffenol using only coffee and not too much soda had very small grain. So, I tried it with the above mentioned expired film. I was positively surprised. In fact, I got much less grain, as shown bellow:

Expired TMax-400 developed with Caffenol

The Caffenol I am using now has following recipe:

20 g/l soluble cheap coffee
10 g/l Potassium Carbonate
4 g/l Table Salt

Usage: 90 minutes at 20ºC, almost stand development. Agitation each 5 minutes or so.

My last developed film with this developer was a 120 TMax-400 but not expired, exposed with a Weltaflex 6x6.

TMax-400 developed with Caffenol

1 comment:

Vasile Guta Ciucur said...


The last photo it seems a little flat or too big contrast than the first one... Is this the case, or the scenes are such?

In the first photo seems that I have a lot more gradations of gray between white and black.