Canon has issued firmware updates for its EOS-1D X Mark III and EOS R5 interchangeable-lens cameras.

Firmware Version 1.2.0 for the EOS-1D X Mark III applies the following enhancements and fixes:

  1. Enhancements when using Browser Remote:
    – The image list displayed will be refreshed automatically on the browser.
    – On the shooting screen of the browser, you can set the movie resolution and a high frame rate.
    – On the shooting screen of the browser, you can change the movie shooting mode.
    – On the shooting screen of the browser, Live View will be displayed as soon as you select the movie shooting button.
  2. Enhances Auto Focus (AF) for improved face and eye recognition at greater distances.
  3. Fixes a phenomenon that may occur during viewfinder shooting, in which the shutter may not be released or the camera may not operate in the following settings:
    – In One-Shot AF mode, when the AF Area Selection Mode is set as Zone AF, Large Zone AF or Automatic Selection AF.
    – In AI Servo AF, when direct AF point selection is made using the smart controller.
    – When the Register/Recall Shooting Function is assigned to the AE Lock button, in the Custom Controls.
  4. Connectivity during FTP transmission, has been improved.
  5. Improves Wi-Fi connectivity when using the Wireless File Transmitter WFT-E9.
  6. Fixes a phenomenon, in which the card access time may take longer, when using certain CFexpress cards.

Click here for the support page where you can download the new firmware.

Firmware Version 1.1.0 for the EOS R5 provides the following fixes and improvements:
1. Useful messaging is now displayed when [HDMI display: Camera+External monitor] and [Overheat control: on] settings are enabled.

  1. When using certain RF lenses for movie shooting, the in-lens image stabilization mechanism has been improved.
  2. Fixes a phenomenon in which the “Slow Synchro” setting screen is not accurately displayed, when the language is set to English.
  3. Fixes a typo displayed on the communication setting screen, when the language is set to Korean.
  4. Connectivity during FTP transmission has been improved.
  5. Fixes a phenomenon, in which the card access time may take longer, when using certain CFexpress cards.
  6. Temperature detection and shooting time control in video shooting have been improved. In addition, the total shooting time when the short-time recording and power-on/off are performed repeatedly at room temperature is improved.
  7. The phenomenon in which the movie recording time available is not correctly displayed when the Date/Time/Zone is not set has been corrected.

Then new firmware can be found here.

See all latest firmware updates