Semi Dak

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Japanese Semi (4.5×6)
Postwar models (edit)
Apollo | Semi Blond | Semi Crystar | Daido Semi | Doris | Semi Frank | Semi Gelto | Semi Golder | Karoron | Karoron RF | Kely | Kiko Semi | Korin | Kuri | BB Kuri | Lark | Semi Leotax | Semi Leotax DL / R | Lo Ruby | Semi Lord | Luck | Semi Lyra | Semi Masmy | Middl 120 | Semi Mihama | Mikado | Million Proud | Semi Minolta III | Semi Minolta P | Semi Oscon | Semi Pearl | Pearl I–III | Pearl IV | Petri | Petri RF | Petri Super | Pioneer | Semi Proud | Semi Rocket | Rocky Semi | Rosen | Ruby | Shinkoh Rabbit | Semi Sport | Tsubasa Semi | Union Semi | Union Model U | Walcon Semi | Waltax | Semi Wester | Zenobia
rigid or collapsible
Semi Dak | Semi Hobix | Super Semi Plum | Rocket Camera | Tomy
Prewar and wartime models ->
Japanese SLR, TLR, pseudo TLR and stereo models ->
Japanese 3×4 and 4×4, 4×5 and 4×6.5, 4.5×6 and older 6×9 ->

The Semi Dak (セミダック) is a Japanese 4.5×6 box camera.


The Semi Dak is inspired from the Kodak Baby Brownie, but it has a metal body and takes 4.5×6cm pictures on 120 film. It has a simple shutter and a fixed-focus meniscus lens engraved SEMIDAK and C.P.C.[1] The advance knob is on the left of the top plate and the folding finder on the middle. The camera has a curved film plate to compensate somewhat the lens aberrations.[2]

Date and attribution

Some sources say that the camera was released in 1947.[3] However the only original document reported so far is an article in the January 1949 issue of Ars Camera.[4] Sources also disagree on the distributor: some attribute the camera to Asahi Shōten (朝日商店) whereas another says Chūō Shashin-yōhin.[5] The C.P.C. marking on the lens could stand for Chuo Photo Company.


  1. Kokusan kamera no rekishi, p.354, says that the shutter has B and I settings, but no such control is visible on the camera pictures in Sugiyama, item 4175.
  2. Kokusan kamera no rekishi, p.354.
  3. Sugiyama, item 4175, and this page of the AJCC website.
  4. Kokusan kamera no rekishi, p.354.
  5. Asahi Shōten: Sugiyama, item 4175, Kokusan kamera no rekishi, p.354. Chūō Shashin-yōhin: this page of the AJCC website.



In Japanese: