ALVANDI Camera Systems
Active member
ALVANDI–ALPA Helical Focus Mount Lens Board is a new product for photographers who use one of the Model 12TC, 12STC or 12SWA cameras.
https://www.mr-alvandi.com/products/ALVANDI-ALPA-helical-focus-mount-lens-board.html
https://www.mr-alvandi.com/products/ALVANDI-ALPA-helical-focus-mount-lens-board.html