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Chūyūsha Honten (忠勇社本店) was a Japanese distributor active in the early 1920s. Its address in 1922 was Kanda-ku Suehiro-machi in Tokyo (東京神田区末広町).[1] An advertisement dated April 1922 lists a number of products reportedly made by the Chūyūsha factory:[2]

  • Smith camera (スミスカメラ)
  • Uekutori I and II cameras (ウエクトリ一號、二號カメラ)
  • Victor camera (ビクターカメラ)
  • Kinen S camera (キネンS號カメラ)
  • Shakō camera (写交カメラ)
  • Model A camera (A號暗函)
  • Model H camera (H號暗函)
  • Special A camera (スペシャルA號暗函)
  • yatsugiri and yotsugiri cameras (八ッ切四ッ切形暗函)
  • Combination Paff for 120 film (ブロニー用コンビネーションパッフ)
  • flashguns, processing tanks, film pack adapters, etc.

No illustration is provided, and nothing else is known about these cameras.


  1. Advertisement in Ars Camera April 1922.
  2. Advertisement in Ars Camera April 1922. All the names are given in Japanese writing only, and none of the Roman names is confirmed.


  • Ars Camera. Advertisement by Chūyūsha Honten in April 1922, no page number.