Firmware Notice: RF15-35mm F2.8 L IS USM:  Firmware Version 1.0.8


Firmware Version 1.0.8 incorporates the following enhancement:

Adds the ability to correct focus breathing during movie recording.
* Compatible with cameras that support focus breathing correction.

Firmware Version 1.0.8 is for lenses with firmware up to Version 1.0.7. If the lens’ firmware is already Version 1.0.8, it is not necessary to update the firmware.




Download Firmware Version 1.0.8 for the RF15-35mm F2.8 L IS USM.

To help obtain optimal performance of this camera, we recommend that you also download and install the most recent versions of Canon Software.

If you have not already done so, please register the RF15-35mm F2.8 L IS USM. 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.

Still need some help? In order to get more personalized and faster support, we recommend registering your product in your Canon Account.


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