Originally Posted by
esearing
I disagree - Depends on dilution and agitation technique - My normal is 24:30 - 26 for FP4+@100.
Accuracy/consistency of shutter has to be accounted for. You might be better off putting a step wedge in front of your film , meter and open 5 stops where fstop and speed is consistent on your shutter. Develop and measure negative , adjust processing time +or-20% for 2nd sheet , repeat. Then contact print to see differences on paper. This will also help with your personal bias regarding negative contrast, some like them contrasty, others prefer them flatter. Print vs scan comes into play too, as well as choices of chemistry and paper if printing wet, and all the variables associated with your process end to end. A final print is the result of choices made at each step and is what makes photography both fun and frustrating.
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