The Simpuflex (しんぷーフレックス) is a Japanese 6×6cm TLR camera announced by Kyokutō in 1937, about which almost nothing is known. It is only mentioned in an advertisement in Asahi Camera August 1937 for the Semi-Tex, reproduced below. The document says that the camera would be released soon, and gives no further detail.
It is likely that the camera was never sold, and it is not even sure that a prototype was made. The announcement of the Simpuflex came the same month as that of the Prince Flex by Neumann & Heilemann.
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