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I received a pack of Fuji Super HR-U film yesterday. I did a test at EZ Rodinal (by P.Gainer formula). Special thanks to Maxwell Sandford for help.
A little higher contrast than I wanted, most likely due to the agitation mode (30 seconds at the beginning and 10 seconds every minute). But the film met all expectations.
Attachment 197382
What speed did you rate the HR-U at? I have a box I have been experimenting with but have not had results nearly as good as yours, but I have been developing it with Rodinol 1+25, not a home made Rodinol formula
HR-U is around 50-80 EI generally and your Rodinal should be diluted to 1:100 for normal development - start around 6-7 minutes. At 1:25 I imagine your burning out your highlights/midtones pretty quick.
Thanks. I shot a test sheet earlier today at 50 with exposure determined by a incident meter and developed 7 min in rodinol 1:100 (I don't know why I thought I had been using 1:25). Results were ok but not spectacular. Highlights were still a bit blown out and I cant seem to tame the contrast, but I think I will keep experimenting. Just wanted to make sure I was in the right range. Previously I had been shooting at 25 and getting mixed results.
I’ve tamed contrast by reducing agitation.
A good suggestion. How are you developing - tray? Or something else?
I began to use Metolal instead of Rodinal, in a 1 + 50 dilution. It gives better sensitivity, judging by my tests.Quote:
Originally Posted by Corran
Attachment 197873
Now I’m using tanks and nitrogen burst, but previously tanks and raising and lowering the hangers.Quote:
Originally Posted by Corran
Did anyone buy any of the Foma Indux R4 NDT x-ray film?
I am just wondering if anyone managed to lower it's contrast somewhat.
Attachment 198985
Fujifilm x-ray green sensitive
Development in rodinal 1:50 (R09) time: 'by inspection'
kind regards, fred