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Shichiyō Kōgaku Kōgyō K.K. (七洋光学工業㈱) was a Japanese camera maker in the mid-1950s. It made the Pluto Six 6×6 folders and the Stereo Pluto 35mm stereo camera in 1955. They were distributed by K.K. Pluto Shōkai (㈱プラトー商会), which was certainly an associated company. The address was given at the time for both companies as Minato-ku Shiba-Mita 2–11 (港区芝三田2–11) in Tokyo.[1] These models did not meet a great success, and all trace is lost after that date.

Notes Edit

  1. Advertisement reproduced in Kokusan kamera no rekishi, p.173.

Bibliography Edit

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