Firmware Notice: RF600mm F4 L IS USM: Firmware Version 1.0.6

Firmware Version 1.0.6 incorporates the following enhancement:

Improves the Panning Assist control feature for 2nd and subsequent images captured during continuous shooting when using the electronic shutter.

If the lens’ firmware is already Version 1.0.6, it is not necessary to update the firmware.


Download Firmware Version 1.0.6 for the RF600mm F4 L IS USM.

To help obtain optimal performance of this camera, we recommend that you download the most recent version of the RF600mm F4 L IS USM manual.

If you have not already done so, please register the RF600mm F4 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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