Quote Originally Posted by Bill Burk View Post
More commonly called f/stop printing.

Instead of making test strips exposures 5, 10, 15, 20, 25 seconds, make them in f/stop related increments.

For example third-f/stops: 5, 6, 8, 10, 13 seconds.
Gene Nocon was a bit of a pioneer with f/stop printing, and he was an amazing printer. When people like Yousuf Karsh comes to ask 'How did you do that?' you know there's something to it.
I've used it for a while now, and I find blacks and highlights that I didn't find before.