I need a lensboard for a Calumet Wood-Field 4X5 camera and a Copal 0 shutter. T he lensboard is 3 5/8 square. Without going to Calumet, who can make a lensboar d for me? Would it be less expensive to have someone make me a lensboard than t o buy the lensboard from Calumet? Any and all responses would be greatly apprec iated. I am sure I am not the only one looking for lensboards.