I am going to try New Ilford Delta 400 in Perceptol. I shall be rating the film more slowly than 400.(posted 8212 days ago)Published times are shown for 1+0 at 250, and 1+1 for 320. I presume that 1+1 gets a greater compensating effect, with some gain in grain.
Has anyone tried these combinations with New Delta 400? Any views/preferences/advice?