The focusing is done by moving the front plate back and forth, and the film advance is controlled by red window. The camera can take 6×6cm and 4.5×6cm exposures. The lens is a 80/3.5, the synchronized shutter has B, 1–200 speeds and a self-timer.
- Kokusan kamera no rekishi, p.352.
- Asahi Camera (アサヒカメラ) editorial staff. Shōwa 10–40nen kōkoku ni miru kokusan kamera no rekishi (昭和10–40年広告にみる国産カメラの歴史, Japanese camera history as seen in advertisements, 1935–1965). Tokyo: Asahi Shinbunsha, 1994. ISBN 4-02-330312-7. Item 524. (No advertisement is reproduced.)
The Sanonflex is not listed in Sugiyama.