![]() With its potential medical applications, the production of the Rubicon X-ray camera certainly continued during the war. Most were fitted with a male bayonet mount, to which a Luminon 50mm f/1.6 lens is attached. The Rubicon X-Ray camera comes in several variants - one with a knob to advance the film, source needed another with a "wing nut" film advance. This has no finder and uses a dark slide to control exposure, instead of a true shutter (X-ray exposures were rather longer than film exposures, and didn't need to be as precise). The basic body chassis of the Rubikon was used for a specialized camera for X-ray photography, called Rubicon (with a "c" rather than a "k"), released in late 1940 together with the Sakura X-ray film. source needed Some of these might still exist today. Others are reported, mostly with a Hexar lens, and sometimes with a different shutter. At least one prototype is known with a Hexar Ser.IIB 50mm f/3.5 lens (no.3001) and a Compur-Rapid shutter (T, B, 1–500). #KONICA PRINT SYSTEM LENS SERIAL#The top cover is inscribed Rokuoh-sha and Rubikon and has a serial number. This camera is extremely similar to the Konica, and even the smaller parts show little difference. It was not commercially released and its development was stopped at some point in the late 1930s, because priority was given to the production of aerial cameras for the war effort. The Konica was based on an earlier camera called Rubikon, developed by Konishiroku for general purpose photography from c.1938. Image by National Diet Library (Japan) Digital Library from Meiji Era ( Image rights) Rubicon Special X-Ray camera (without Luminon 50mm f/1.6 lens), 1940/wartime model with "Wing Nut" film advance. ![]()
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