Quote Originally Posted by Bob-D659 View Post
I think this is the thread with an example.

Does anyone know what that is an image of? What is the gray at the R side? Why is there something that looks like another negative forming a white rectangle at the top? Where are the edges of the negative carrier in that print? Where is the negative rebate? I can't see any edge markings. Are they masked out? Is there any masking? Why not?