On 4/7/2009 6:22 PM John J spake thus:

David, if all else fails you can probably find a 5x7 back and adapt it
to the existing camera.

.... or have one made ($$$), or even make one myself--not rocket surgery.
(Basically a flat wooden frame with locating pins, and a ground-glass
picture frame with a spring.) Only critical dimension is ground
glass-to-contact surface distance.


--
Save the Planet
Kill Yourself

- motto of the Church of Euthanasia (http://www.churchofeuthanasia.org/)