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

Canon has made Canon EF 400mm f/4 DO IS II USM Lens firmware update version 1.0.9 available for download.

Firmware Version 1.0.9 incorporates the following fixes and enhancements:

  1. Fixes a phenomenon, in rare cases, the IS mechanism may cause the image to jump.

Posted: 11/5/2020 11:57:26 AM CT   Posted By: Bryan
Posted to: Canon News    Category: Canon Firmware Updates
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