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Canon News

Canon EF 400mm f/4 DO IS II Firmware Update 1.0.9 Released

EF 400mm f/4

Canon released a firmware update for the Canon EF 400mm f/4 DO IS II lens. Canon EF 400mm f/4 DO IS II firmware 1.0.9 fixes the following: Fixes a phenomenon, in rare cases, the IS mechanism may cause the image…

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