Originally Posted by chrisherbert
I'm just being lazy and trying to avoid having to actually measure the ftl. As long as you say that ~40 contrast will avoid clipping, I'll set ISF night to 37 or 38 contrast and see if it's bright enough.
If you want around 40fL, you will want to be well below 37, try 27-30 for Contrast..
Your isf Night Contrast is 19 now (and isf Day at 36), correct?
Remember, changing the Contrast only will require another cal sessionEDIT:
Bust that meter out