http://www.camerapedia.org/wiki/Voigtl%C3%A4nder

http://www.voigtlaender.de/cms/voigtlaender/voigtlaender_cms.nsf/id/pa_historie_e.htm

Company founded by Johann Christoph Voigtländer in the year 1756 in Vienna, Austria, as factory for optical instruments and precision mechanics there.