Check if you have access through your login credentials or your institution. From the Department of Ophthalmology, College of Medicine, State University of Iowa. CONTAX TVS Digital with Zeiss Vario-Sonnar 2. Zeiss Ikon line in 1932, and zeiss fundus manual type pdf became a brand name.
In 2005, Kyocera announced that it would no longer produce Contax cameras. Dresden decided to produce a competitor designed to be superior in every way. The name Contax was chosen after a poll among Zeiss employees. Heinz Küppenbender was its chief designer. Contessa-Nettel cameras, made out of interlocking blackened brass slats somewhat like a roll-up garage door. This complex shutter became the characteristic of the Contax camera and its Super-Nettel derivative. 1250s in the Contax II.
The fact the shutter ran across the shorter dimension of the format area was a significant factor for achieving this technical feat. The interlocking slats were aligned by specially woven silk ribbons, which were very strong but subject to wear. Replacing these ribbons was difficult but, contrary to modern cameras, made for a 400,000-cycle life. Zeiss also invented the System Camera, with all sorts of near-photo, wide-angle, mirror-house, long-focal-length lenses for specific situations. However Zeiss called it Universalkamera. One of the key design features was a coupled rangefinder with a very long baseline, with its own eyepiece next to that of the viewfinder.