Ruo Kino lens
Optische Werke Rüdersdorf A.G. was a German optical company based in Berlin during the 1920s. It was originally founded in Bremen around 1919 – 1920 and used the trademark Rüo / Rüo-Optik for its lenses. In 1922, the company was reorganized under the name Optische … Continue readingRuo Kino lens