Final Thoughts on Diafine Developer

Audio Blog Conclusion:

Viva la Revolution- Steve

UPDATE April 11, 2019

Just to be clear…. I still stand by my original processing technique outlined here in FR years ago which does not use the pre wet and has slightly more agitation than the technique outlined above (metal reels and tanks only for the older process). If the film and agitation technique is perfect without a pre wet then go for it but I have found most modern films do benefit from the pre wet… the only downside is developer longevity and about 1/3 stop loss in speed.

One thought on “Final Thoughts on Diafine Developer

  1. Great information and summary, Stephen. Thanks for doing this. I’ve never used Diafine, but it has certainly always interested me, along with other similar two-bath developers out there. To be honest, the main reason I’ve avoided it is because there are so many conflicting ideas regarding how it should and shouldn’t be used, as you very well know. If I had tons of money and time to waste figuring everything out for myself I wouldn’t care, I’d just start experimenting. But knowing how long you’ve been using this as one of your primary developers, I feel confident in your findings and may now give it a go myself at some point since I feel I now have a time-tested and verified starting point. For the time being I’m still experimenting with Caffenol. I hope you’ll do a similar post with your findings, techniques, personal recipe, and conclusions for Caffenol as well. Your results with it have always impressed me. The biggest battle I’ve been fighting with Caffenol is uneven development, along one edge of the film as well as bromide drag from the sprocket holes (I’m exclusively shooting 35mm at the moment). Sadly, nothing I’ve tried has completely eliminated this issue (pre-soak, shorter agitation intervals, etc.). Other than the uneven development I truly love the negatives that Caffenol produces (at least for scanning; I don’t have access to a darkroom right now so I can’t speak to traditional enlargements), especially the slightly finer grain of the Caffenol-C-L recipe. Anyways, thanks again for summarizing your Diafine results. Take care.

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