Quote Originally Posted by Deniz
I once spent a good 10 mins trying to focus a fp4+ negative on the enlarger cause the grain focuser didnt show any grain! so i went with the sharpness.

what magic potion do you add to your rodinal? I used 1:25 once and kept the negs in the darkroom for years as they made a nice alignment-test. If this big, well defined grain was sharp corner to corner in the focusser as well as on the test-strips, I could be sure everything was within spec.