Pinhole holder: Custom, anodized aluminium, fits up to 2cm diameter pinhole disks, including ¾" pinhole disks. Laser engraved logo. Custom-made screw-in mechanism from camera inside.
Tripod thread: Custom, anodized aluminium, standard ⅜" thread (comes with ⅜" to ¼" thread adapter)
Film Holder Attachment: Anodized aluminium, Custom strap system with leather tips, designed to fit most international 4x5" backs. Tested with regular film holders, grafmatic holders, 405 polaroid holders and roll film backs.