What was the old lens? The camera is a Zeiss, but I can't tell what model---looks like it could be a Maximar, which I think means it would most likely have been sold with a Tessar, but Zeiss made about a billion models of plate cameras.
Originally Posted by Hughjb
I think a lot of people would be interested in seeing more details of that 4x5 back. It looks like it shifts the film plane back a little, which would mean a correspondingly shifted position for the ground glass and the point of infinity focus. What are you doing about the ground glass? I guess the long-range focus shift is something to just live with unless you want to move the stop.