Art & architecture, Leisure, travel & sport, Technology & ideas Antique 4×5 camera creates 20 micron photolithography masks by James Higham • April 1, 2020 • Comments Off on Antique 4×5 camera creates 20 micron photolithography masks These sorts of people are the salt of the earth IMHO and clearly of Chuckles’s too, as he sent this. Enjoy: