1D Mark IV Firmware 1.0.8

Firmware Version 1.0.8 incorporates the following fixes.

  • Fixes a phenomenon in which the set aperture moves unexpectedly when shooting movies in manual exposure mode using some Canon lenses (such as macro lenses).
  • Corrects misspellings in the French and Spanish menus for applicable products.

Download: http://web.canon.jp/imaging/eosd/firm-e/eos1dm4/download.html?submitButtonName=I+Agree