Carl Zeiss (1816-1888) founded in Jena in Germany in 1846 his factory specializing in the manufacture of optical instruments. It's through its excellent microscopes that the firm had its renown After the second world war, the firm remains in East Germany while another part moved to West Germany.
It's with the collaboration of Dr. Rudolf P that Zeiss also develops lenses for cameras including the famous Tessar in 1902.
The production of cameras is best known for the series "Werra", small boxes 35 mm characterized by the rotating ring on the lens unit that performs the film advance and shutter cocking. Twenty different models were produced.