That's very true, but with staining developers curves don't tell us eveything, the colour of the stain has an effect at the printing stage and that varies between graded and variable contrast papers and also brand.
So, a color meter like a PML2 could read that right?
Mark Barendt, Beaverton, OR
"We do not see things the way they are. We see things the way we are." Ana´s Nin