Heinrich Kühn :: Impressionist photographs, circa 1900′s-1910′s.

Kühn with Franz Staeble developed a new lens known as Kuhn Anachromat, which from 1928 to 1990 was issued under the name of Rodenstock lenses Imagon. The aim was to produce a soft scattering pattern, with the effect of artistic blur, similar in style to the paintings of the Impressionists. / src: franz.blogspot.com

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