Okay something I'm trying to get my head around. I understand that with the RB lenses attached and to focus at a infinity you need to open the bellows 6/7mm and that the scale on the RZ body is redundant. Is what you see on the screen then not what is projected to the film? and if not how do you achieve critical focus. Most the time I shoot with F16 and above but for those F4.5/5.6 shots how you tackle it?