Kodak pictorial diffusing disk, made by Eastman Kodak. Diffusion disc in mount for 40mm lens rings. In original carton with instructions. Kodak Pictorial Diffusing Disk
Three diffusing discs for f/4.5 lens, 5cm diameter with locking screw. Discs number 1, 2, 3. Patented March 8 1921. For use on No.1 Eastman projecting printer and Eastman autofocus enlarger. Eastman Kodak Company Eastman diffusing disc
Kodak pictorial diffusing disk, made by Eastman Kodak. Diffusion disc in mount for 40mm lens rings. Kodak pictorial diffusing disk
