Canon EOS-1D X Firmware Update 1.2.1 Released

Canon released a firmware update for high-level professional camera Canon EOS-1D X. Canon EOS-1D X firmware update 1.2.1 contains the following improvements and fixes.

Canon EOS-1D X Firmware 1.2.1

  • The function to disable the Image size selection button has been added.
  • Fixes a phenomenon in which Err 70 and Err 80 may occur during certain shooting conditions.


Download firmware 1.2.1 here