diff --git a/README.md b/README.md index 9af1efb..6363d2e 100644 --- a/README.md +++ b/README.md @@ -362,11 +362,10 @@ Kodak "framed" film hangars, a Yankee 4x5 tank, and a "frameless" Kodak film hanger. -* ~~Film was presoaked for 5 minutes in running water to wash off the +* Film was presoaked for 3-5 minutes in running water to wash off the anti-halation layer and prepare the emulsion to accept developer. It's not clear this is entirely necessary with open tanks but it - does no harm.~~ See [Updates](#updates) section for a note on why - I no longer do this. + does no harm. See [Updates](#updates) section for a note presoaking. ## What I Have Discovered @@ -899,21 +898,18 @@ seemed to control the highlights well and promoted strong edge effects. -### Update 10-20-2024: Dispensing With Prewetting +### Update 04-19-2025: Is Prewetting Necessary? The subject of prewetting film before actual development has been an -on-again, off-again debate among serious practioners for quite some -time. After reading a bunch of stuff and listening to people make -their case, I am currently of the view that it is actually not a good -idea and not needed in any case. There is a strong argument made that -prewetting swells the emulsion and may actually make it harder for the -film to absorb the developer. Since I have stopped prewetting, I have -seen no difference in outcomes. So, at the very worst, it makes no -difference and you can save yourself the time. +on-again, off-again religious debate among serious practioners for +quite some time. I have been on all sides of this debate, have tried +no prewet, 5 min prewet, and eventually settled on 3 min of +prewetting. The prewetting seems to calm contrast down ever so +slightly, and seems to be most helpful in the highlights of the +negative. In my observation, I've not found this to be super +cirtical, and you should do your own testing in the matter. -## Copyright And Use - All content here is Copyright (c) 2021-2024 TundraWare Inc., Des Plaines, IL USA Permission is hereby granted for non-commercial redistribution by any