Canon’s predecessor, Precision Optical Instruments Laboratory, is founded in Roppongi, Minato-ku, Tokyo, to conduct research into quality cameras.(1933)

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Todd-AO began as a high resolution widescreen film format. It was co-developed in the early 1950s by Mike Todd, a Broadway producer, in partnership with the American Optical Company in Buffalo, New York. It was developed to provide a high definition single camera widescreen process to compete with Cinerama, or as characterized by its creator, "Cinerama outta one hole". Where Cinerama used a complicated setup of three separate strips of film photographed simultaneously, Todd-AO required only a single camera and lens.
The company's focus began to shift after Mike Todd's sudden death in an airplane accident in 1958. The 70 mm Todd-AO process was adopted by Panavision, Cinerama and others. As the production and exhibition markets became saturated with Todd-AO System hardware, the focus of the company gradually began to narrow down to the audio post-production side of the business, and Todd-AO became an independent sound mixing facility for commercial motion picture films and television after acquiring Glen Glenn Sound in 1986.
In May 2014, Todd-AO's parent company, Todd Soundelux, filed for Chapter 11 bankruptcy protection.[1] As part of the bankruptcy proceedings, they closed their Hollywood and Santa Monica facilities, leaving only their Burbank location operational.
On November 17, 2014 the Todd-Soundelux Trademarks (Todd AO and Soundelux) and Copyrights (Sound Effects Library) were acquired in Federal Bankruptcy Court (Central District Case No. 2:14-bk-19980) by Rob Nokes of Sounddogs.com, Inc.

Where can I buy the CANON K-35 (TODD-AO HIGH SPEED) series

CANON K-35 (TODD-AO HIGH SPEED)