Did you ever send those negatives to Ilford?
I'm experiencing the same issue with some FP4. I do believe it's something I'm not doing correctly but I haven't figured it out yet. If you have gotten a response from Ilford, please share.
Did you ever send those negatives to Ilford?
I'm experiencing the same issue with some FP4. I do believe it's something I'm not doing correctly but I haven't figured it out yet. If you have gotten a response from Ilford, please share.
See post #8 by Simon Galley. He back then was one of their managers/owners.
To me the artefacts look like emulsion/backing-paper interaction. A topic widely discussed here the very recent years as these then were reported in larger numbers at various films.
In 2019 Harman (IlfordPhoto) made a detailed statement on this.