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Firmware Notice: EF24-105mm f/4L IS II USM: Firmware Version 1.0.4

Firmware Version 1.0.4 is incorporated with the following enhancement:

Improves the effects of image stabilization when using the EF24-105mm F4L IS II USM with the EOS 5D Mark IV at a shutter speed between 1/100 sec. and 1/160 sec.

Firmware Version 1.0.4 is for lenses with Firmware Version 1.0.3 or earlier.

How to identify affected product

Lenses whose third digit in the serial number is “0”.   (Example serial number: “xx0xxxxxxx”)
If the lens’ firmware is already Version 1.0.4, it is not necessary to update the firmware.
The lens firmware can be checked through the menu on the EOS 5D Mark IV.


Download Firmware Version 1.0.4 for the EF 24-105mm f/4L IS II USM   

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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
TDD: 1-866-251-3752

Email: carecenter@cits.canon.com
Support options and hours of operation: www.usa.canon.com/support