----- Original Message ----- From: "Don Williams" <dwilli10@xxxxxxx>
To: <rollei_list@xxxxxxxxxxxxx> Sent: Wednesday, July 01, 2009 3:41 PM Subject: [rollei_list] My off-topic question
I found a number of sites with descriptions of telecentric lenses via a Google search. One is: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>PhotoMarketing Association Annual Convention and Trade Show, the FourThirds 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
http://www.opto-engineering.com/telecentric.php -- Richard Knoppow Los Angeles, CA, USAdickburk@xxxxxxxxxxxxx
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