I think you should find your lens/lenses first.

'MidWest Photo Exchange' may be a source.
Schneider Fine Art XXL 1100 f/22 Copal #3, only $4,550.00
http://mpex.com/schneider-fine-art-x...2-copal-3.html

Put a feeler out to 'Jim's Camera,' Seattle, WA.
http://www.jimscamerasseattle.com/pr...al-items1.html

Probably couldn't hurt to contact 'Blue Moon,' in Portland, OR.
http://www.bluemooncamera.com/invent...100&deptID=184

Marc