Firmware Notice: RF100-500mm F4.5-7.1 L IS USM: Firmware Version 1.0.9

Firmware Version 1.0.9 incorporates the following fix and enhancement:

1. Adds a digital full-time manual focus function (a function that enables constant manual focus adjustment in both One-shot AF and Servo AF).
2.Improves a phenomenon in which the background is not blurred when performing slow panning with the IS (Image Stabilization) mode set to Mode 2 or Mode 3.

Firmware Version 1.0.9 is for lenses with firmware up to Version 1.0.7 If the lens' firmware is already Version 1.0.9, it is not necessary to update the firmware.

Please download the updated version of the RF100-500mm F4.5-7.1 L IS USM Instructions.


Download Firmware Version 1.0.9 for the RF100-500mm F4.5-7.1 L IS USM.

If you have not already done so, please register the RF100-500mm F4.5-7.1 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.

Contact Information for Inquiries
Canon Customer Support Center
Phone: 1-800-OK-CANON / 1-800-652-2666
TDD: 1-855-270-3277

Support options and hours of operation:

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