10-08-2018 10:46 AM
Solved! Go to Solution.
10-08-2018 12:26 PM
If it is only a few months old, call Canon and send it back. It appears that the encoder is broken.
07-31-2022 12:17 PM
This is a very old thread. You might want to start yourself a new one that addresses your concern.
12/05/2024: New firmware updates are available.
EOS R5 Mark II - Version 1.0.2
09/26/2024: New firmware updates are available.
EOS R6 Mark II - Version 1.5.0
07/01/2024: New firmware updates are available.
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
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