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Firmware Notice: EOS-1D X Mark III: Firmware Version 1.2.1

Firmware Version 1.2.1 incorporates the following fix:

1. Fixes a phenomenon, in which, after updating the camera’s firmware to version 1.2.0, the Smart Controller may respond slowly or not at all on some cameras*.

*The phenomenon described above may occur in cameras whose first two digits of the serial number are “01” “02” “03” or “04”.

Firmware Version 1.2.1 also incorporates the following fixes and enhancements from Firmware Version 1.2.0:

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.

Firmware Version 1.2.1 is for cameras with firmware up to Version 1.2.0. If the camera's firmware is already Version 1.2.1, it is not necessary to update the firmware.

Note:
In accordance to the functional improvements of Firmware Version 1.2.0, the user’s manual will be revised. Please download the user’s manual together with the new firmware. The latest version of the user’s manual can be downloaded from the Canon Web site.

Support

Download Firmware Version 1.2.1 for the EOS-1D X Mark III.

If you have not already done so, please register the EOS-1D X Mark III.

By registering, we will be able to notify you via email about future announcements.

This information is for residents of the United States and its five territories only. If you do not reside in the USA or its five territories, please contact the Canon Customer Support Center in your region.

Thank you,
Customer Support Operations
Canon U.S.A., Inc

Contact Information for Inquiries
Canon Customer Support Center
Phone: 1-800-OK-CANON / 1-800-652-2666
TDD: 1-855-270-3277
Email: carecenter@cits.canon.com

Support options and hours of operation: www.usa.canon.com/support

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