MSK
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The MSK Japanese leaf shutter is mounted on some folding cameras dating from the first half of the 1950s. Those made for the Rocky Semi were manufactured by a company called Shibayama.[1] It is possible that other MSK shutters were made by different companies; for example those mounted on the Doris-P have OK or OKK logos similar to those found on the Convex shutter made by Tōkyō Seiki.
Cameras equipped
This list is perhaps incomplete, and not all the versions were equipped with an MSK shutter.
- Doris-P
- First Six
- Pentaflex (Tokiwa Seiki)
- Semi Mihama
- Mihama Six (unconfirmed)
- Rocky Semi
- Union Model-U
Notes
- ↑ Private communication to User:Rebollo_fr by Umemoto Akio, grandson of Umemoto Kinzaburō, the founder of the Umemoto company.
