Originally Posted by
otto.f
I never saw any explanation about these different times which are not seldom offered for film-developer combinations in the Mass Dev App. I only know that for my enlarger head with Leds (Heiland Splitgrade), I mostly need about 15% longer development times than the app gives. I also suspect that many times are just taken from the original factory’s time/developer recommendations and whether these are meant for condensor or cold light heads is never explicated as far as I know.