Quote Originally Posted by Stephen Benskin View Post
The column K is the gradient value at the print judgment speed point (first excellent print).
Looks to me like K = Gmin/Gbar. Or am I misunderstanding something?
Anyway, do you know if Gbar was measured over the range of the scene, or if it was a fixed 1.5 in log H units?

BTW, thanks for digging up and posting all this info.

Mark Overton