My best timeline on the development of the Yashica Pentamatic 35mm single-lens reflex (SLR) film camera…
Please note that this is a “dynamic timeline” and it will be updated as I discover new dates and developments…
- Summer 1959… Yashica develops / invents its first 35mm SLR
- September 1959… Yashica files to trademark the name ‘Pentamatic’ in Japan
- December 1959… First Pentamatics assembled at the Suwa factory
- February 1960… Yashica files to trademark the name ‘Pentamatic’ in the U.S.
- March 1960… Production reaches 1,500 units
- March 1960… First showing of the Pentamatic occurs at a trade show in St. Louis… first images of the camera are provided by Yashica
- May 1960… First published look at the Pentamatic in the May 1960 issue of Modern Photography magazine
- June 1960… First full page advertisements for the Pentamatic ’35’ appear in the June 1960 issues of Modern Photography, Popular Photography and U.S. Camera magazines
- June 1960… Production reaches 5,000 units
- July 1960… First review of the camera appears in the July issue of Modern Photography magazine
- August 1960… Production reaches 9,300 units
- Autumn 1960… Yashica releases the Pentamatic II in Japan and the U.S.
- Winter 1960-1961… The Pentamatic I and II are both available in the world marketplace
- December 1960… Camera dealers in New York advertise new Pentamatics at under $110 (USD)
- January 1961… Production reaches 15,700 units
- February 1962… February issue of Modern Photography has only two advertisements for the Pentamatic and NO mention of the Pentamatic II or of the upcoming Pentamatic S
- August 1963… ‘Pentamatic’ receives trademark registration in the U.S.