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Item Name : Reichert Combinar 400mm f12.5 Barrel Lens
Serial no. :
Reference : Combinar 240mm f6.3 wide-angle convertible lens, an extremely rare experimental prototype that was acquired and studied by Carl Zeiss Jena (read more about that below), made by Reichert of Germany in the 1920's (in this case, as a Versuch lens, no serial number) for their ambitious "System Reichert"series. This is a complex symmetrical anastigmat with two identical optical cells containing four elements, either cell alone (as is marked on the front cell) when mounted on the back of the barrel provides a Combinar Series II 400mm f/12.5 lens, while the two cells together on the barrel provide the Combinar 240mm f6.3 lens.,this lens actually originated in the famous Carl Zeiss lens collection, the massive patent and prototype research museum of over two thousand lenses Zeiss maintained in Jena across five decades, from their very earliest models of 1889 up through the 1940's, and also included hundreds of examples of important and influential optics from their many competitors as well. The collection was brought to America by the United States military in 1945 just before Jena fell into Russian control, then after a few years of research under the Signal Corps it was handed over to Burke & James in the early 1950's for safe keeping in their own famous "lens bank", until eventually in the 1960's-1970's B&J (and Burleigh Brooks) sold it off to the public.
Glass Description : glass clean without cleaning mark or haze
Remark : W/Flange
Cosmetic Condition : EX+++
Price : $