Quote Originally Posted by brian steinberger View Post
Paul I understand what you're saying, BUT if a lens is focused at 7 feet then it's focused at 7 feet. So if you're focused on a point at 7 feet then it shouldn't matter which body the lens is on it should line up in the viewfinder at 7 feet.
What if there is a slight difference between the cameras with respect to the distance between the film and the front of the lens mount?

Isn't rangefinder calibration designed to take the peculiarities of the camera into account?