Canon has released firmware update 1.0.9 for the EF 400mm f4 DO IS II lens. This fixes a phenomenon which, in rare cases, causes the IS mechanism to make the image jump.
The firmware can be downloaded here.
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Canon has released firmware update 1.0.9 for the EF 400mm f4 DO IS II lens. This fixes a phenomenon which, in rare cases, causes the IS mechanism to make the image jump.
The firmware can be downloaded here.