Maybe I should have used the term telecentric? http://en.wikipedia.org/wiki/Four_Thirds_System (Check some of the references in that page also)As of the 2006 <http://en.wikipedia.org/wiki//wiki/Photo_Marketing_Association_Annual_Convention_and_Trade_Show>Photo Marketing Association Annual Convention and Trade Show, the Four Thirds consortium consists the following companies (in <http://en.wikipedia.org/wiki//wiki/Alphabet>alphabetical <http://en.wikipedia.org/wiki//wiki/Collation>order):
* <http://en.wikipedia.org/wiki//wiki/Fujifilm>Fuji * <http://en.wikipedia.org/wiki//wiki/Eastman_Kodak>Kodak * <http://en.wikipedia.org/wiki//wiki/Leica_Camera>Leica * <http://en.wikipedia.org/wiki//wiki/Olympus_(company)>Olympus * <http://en.wikipedia.org/wiki//wiki/Panasonic_Corporation>Panasonic * <http://en.wikipedia.org/wiki//wiki/Sanyo>Sanyo * <http://en.wikipedia.org/wiki//wiki/Sigma_Corporation>Sigma Not all of these sell four-thirds cameras at the present time, however. DAW