09-28-2022 12:56 PM - last edited on 09-29-2022 09:05 AM by Danny
09-28-2022 01:31 PM
Hi Bear22,
It is recommended that you contact technical support via phone for further assistance. There is NO charge for this call. Please dial 1-800-423-2366, Monday-Friday 8:00 am to 8:00 pm Eastern Time, excluding holidays. A Technical Support Representative can quickly determine the cause of the issue that you are experiencing and resolve it for you via phone.
04/16/2024: New firmware updates are available.
RF100-300mm F2.8 L IS USM - Version 1.0.6
RF400mm F2.8 L IS USM - Version 1.0.6
RF600mm F4 L IS USM - Version 1.0.6
RF800mm F5.6 L IS USM - Version 1.0.4
RF1200mm F8 L IS USM - Version 1.0.4
03/26/2024: New firmware updates are available.
EOS 1DX Mark III - Version 1.9.0
12/05/2023: New firmware updates are available.
EOS R6 Mark II - Version 1.3.0
07/31/2023: New firmware updates are available.
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