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Continue to ChatCanon EF 800mm f/5.6 DO IS in Development? [CR2] https://www.canonrumors.com/canon-ef-800mm-f5-6-do-is-in-development-cr2/
Canon EF 800mm f/5.6 DO IS in Development? [CR2] https://www.canonrumors.com/canon-ef-800mm-f5-6-do-is-in-development-cr2/