Four Thirds System Companies
As of the 2006 Photo Marketing Association Annual Convention and Trade Show, the Four Thirds consortium consisted the following companies:
- Fuji
- Kodak
- Leica
- Olympus
- Panasonic
- Sanyo
- Sigma
This does not imply a commitment to end user products by each company. Historically, only Leica, Olympus, and Panasonic have produced bodies. Olympus and Leica/Panasonic make dedicated Four Thirds lenses, and Sigma makes adapted versions of their "DC" lenses for APS-C format DSLRs. Kodak once sold sensors to Olympus for use in their Four Thirds bodies, but the newer Olympus Four Thirds cameras used Panasonic sensors.
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