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MKF-6 camera lenses. The MKF-6 and mod. is a multispectral, multifunctional camera that was designed, made in DDR a.k.a. GDR (East Germany), Carl Zeiss Jena, for the purpose of remote sensing of the Earth's surface (MA 6 system for: Soyz (Focke Wulf), Salut, MIR (PAZ system), iSS (NSS system )), Kino, content, etc..
First workshop of Carl Zeiss in the center of Jena, c. 1847 Carl Zeiss Jena (1910) One of the Stasi's cameras with the special SO-3.5.1 (5/17mm) lens developed by Carl Zeiss, a so-called "needle eye lens", for shooting through keyholes or holes down to 1 mm in diameter 2 historical lenses of Carl Zeiss, Nr. 145077 and Nr. 145078, Tessar 1:4,5 F=5,5cm DRP 142294 (produced before 1910) Carl ...
The lens could be the same Zeiss Novar 35mm f/3.5, or a Carl Zeiss Jena 37.5mm f/3.5 Tessar. The body code number was 111/23 with the Novar and 111/24 with the Tessar. The Tenax was modified in 1953 with a fixed viewfinder integrated in a higher top plate with the exposure counter inside it, and a revised advance lever.
Pentacon six lens and lens adapter. The Pentacon Six mount (commonly abbreviated to P6, or Б in Cyrillic) is a breech-lock bayonet lens mount originally used by several medium format single-lens reflex cameras from East Germany. The lens mount was originally designed by Carl Zeiss Jena and Kamera
Many models were equipped with Tessar lenses, which were marked as "Zeiss-Tessar", resulting in legal action from the Zeiss company in Western Germany. For a while the Werra Tessar lenses were marked simply as "T", but eventually they were allowed to market the lenses as "Carl Zeiss Jena Tessar". Tessar improvements and derived lens designs
The M42 mount was first developed by Carl Zeiss at their Jena plant in 1938 at the request of the KW camera company for their Praktica line, which had previously used M40 (40 mm by 1 mm DIN). The first lenses were plain stop-down design, but many manufacturers extended the M42 lens mount to provide extra features.
Only a few significant changes were made to the original Kine Exakta (version 1) during its production run until it was replaced by the model II in 1948: Within a few months the circular focusing loupe, visible on top of the collapsed finder hood, was replaced by a rectangular one covering about 50% of the ground glass image (version 2).
Therefore, from the beginning of lens manufacture up to the end of the Second World War, all Zeiss lenses were marked "Carl Zeiss Jena". Since the new Oberkochen-based Carl Zeiss Optical company is not in Jena, its products are simply marked "Carl Zeiss", while the original factory carried on using the "Carl Zeiss Jena" marking. For the first ...