Jim Salt
unread,Jul 24, 2014, 11:28:49 AM7/24/14Sign in to reply to author
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Back in October 2013 I mentioned a developer, ID-3, which I have
liked over the years, and since I found sources for raw chemicals I
have been using this extensively for almost a year now. If anyone is
interested in trying it, I can provide the recipe. It is mixed in
concentrate and then diluted 1_3 for use. Here are the developing
times for various films including some old Efke IR820 that I have in
the freezer. The times differ for continuous and intermittent
agitation, and this table is a guide only, you have to adjust times
to suit your use - for example, scanning negatives need to be a bit
"healthier" than enlarged ones:
Film Dilution ISO Agitation
10/60 Constant
HP5 1+3 400 12.0 11.0
FP4 1+3 125 11.0 10.5
100Delta 1+3 100 11.5 11.0
400Delta 1+3 400 12.0 11.0
Efke 820IR 1+3 0.75 12.0 11.5 using 72 IR filter on lens
Here are a couple of samples: