Here is an image of an HB&H Petzval type lens on a Technika lensboard. I used the original flange, and needed to drill four holes in the board for small bolts. Then I needed to mill flat the inside of the Technika board flanges for bolt clearance. Originally this was a Nikon branded board for a Copal 3 shutter, and the Holmes, Booth & Haydens 1/4 plate lens with flange barely fits. It will just cover modern 4x5 at portrait distances and without movements.
Ciao!
Gordon Moat Photography
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