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• 03:56, 18 April 2026 Deutsch-craft talk contribs created page Optical Glass in Jena (Germany) (Created page with "== Overview == Optical glass production in Jena refers to the development and manufacture of high-quality glass for scientific and optical instruments in the city of Jena, Germany.<ref>Berek, Max. ''Grundlagen der praktischen Optik''. Springer, 1930.</ref> This tradition represents a significant intersection of glassmaking, chemistry, and precision engineering. Jena became internationally recognized for its role in advancing optical glass, particularly in the 19th and 2...")