Focus cam will fit on 4×5 Linhof Technika III. The leading edge will need to be filed down to calibrate a specific lens. Follow this tutorial to calibrate the cam. The leading edge will need to be filed down to calibrate for a specific 300mm lens. Follow the tutorial at the link below to calibrate the cam.
Only available in Aluminum.
On demand printing and delivery of this item is provided by Shapeways.