Are there any of the 503 models that when a CFV digital back is connected will show all of the EXIF info? Right now I have a 501CM and a CFV back. I do use the EXIF info on the photos I have shot on a project to help find problems that need to be fixed for further shoots of the same project. This way I don't have to keep a log book. I am curious about this to see if I should upgrade my body from a 501 to a 503.