Dear users and potential purchasers of Tamron products.
Thank you for using Tamron products.
We would like to announce you that we have confirmed that some of our lenses do not work properly with the Canon EOS R5 / EOS R6 with Canon “Mount Adapter EF-EOS R”.
SP 35mm F/1.4 Di USD (Model F045) for Canon
17-35mm F/2.8-4 Di OSD (Model A037) for Canon
The Image Stabilizer of the camera cannot be set and also will not function.
We are currently working on the cause of the error and for the solution to this matter. We expect this issue to be resolved very shortly and we will release a firmware update at that time.
We sincerely apologize to all users and potential purchasers for any inconvenience this issue may cause.