Originally Posted by ic-racer
Metered exposure to ISO speed point = 1.0 log H? Not 1.2?
That's what you'd get from the ratio of Hm=0.8/ISO and P=8/ISO. Not that I have any citation/justification for the latter formula other than posts in this thread.
Analogue Photography and Film FAQ
Open-Source F/Stop Timer (on APUG)