I just figured out that I had been over developing my film. I have been rating FP4+ at 64 but using the normal times for 125. No wonder my N+1 negatives have been so contrasty and off.
I am having trouble finding a reliable time. The massive development chart recommends 21 mins. which is more than the 125 time. This is not what I would expect.
So, does anyone have a good starting time for FP4+ at 64 in Rodinal 1:50.
Any special reason for using Rodinal? Personally I thought it was grainy as heck when I tried it.
I just got in the habit of half my film speed. It worked for a long time but now I want to take even more control. So, I will try 80 as well. I just now figure out that I had been overdeveloping. Some of negatives are very dense and are very difficult to print.
I'm using the guidelines in the following article and adjusting from recommended starting points.
I only use roll film with Rodinal.
My best negatives which still need tweaks have been with FP4, EI 64, Rodinal 1:75, 11 min, 20c, light conditions winter Oklahoma sun, (4) to (5) inversions the first 20 seconds. (4) gentle inversions each 60s. My developing tank is steel with a (4) or (5) 120 capacity. I load (1) 120 reel and use a 35mm reel for as a spacer. One inversion provides complete mixing of the solution. If I had a smaller tank my agitation would be more frequent to achieve the same results.
My Rodinal is at least 4/5 years old and recently turned a darker honey from light honey tint.
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