I came across a 1972 experiment with Kodalith. It was a process to remove the gray tones between black and white, and leave a graphical image. I used Plus-X, then put the negs in a contact frame with a 4x5 sheet of Kodalith graphic arts film under them - flipped the light switch on and off as fast as I could. Then you developed the film in a tray with Kodalith developer to produce an "internegative" or positive with a reduced number of gray shades. Then you repeated the process by stacking the interneg onto a new sheet of kodalith film to produce a true black and white negative image (two tone) that you could print.
Exakta RTL-1000 with a 50mm f1.8 Carl Zeiss Jena Pancolour lens & waist level finder
Interneg
Final image (cropped)
Jul 11, 2024 at 09:49 PM
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