Image Stabilization (IS) May Not Work with Canon Mount Lenses at Startup Follow

Known Issue ID: 15879

Issue Summary:

The image stabilization (IS) feature on some Canon mount lenses may not work at startup or after hot swapping, even though the IS switch on the lens is set to On. This issue has been reported with the Canon EF 35mm f/2 IS USM and Canon EF 24-105mm f/4L IS, but may affect other lenses.

Found in Firmware Version:


Target Firmware Fix:



To activate IS, toggle the IS switch on the lens (i.e., turn it Off/On).

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