Canon EF 24-105mm f/4L IS II USM firmware

Firmware history

1. Version 2.0.0 Latest Released May 23, 2017 First seen Jul 10, 2026
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   Changes in firmware: Firmware Version 2.0.0 incorporates the followi​ng enhancement: Support for the "panning" scene mode with the EOS M5/EOS M6 has been added.

   The Panning scene mode reduces subject blurring and blurs the background when the lens is mounted to the EOS M5/EOS M6.

   The EF-EOS M Mount Adapter is required to use this lens with the EOS M5 and EOS M6.

   This firmware update is for lenses equipped with firmware version older than 2.0.0.

   If the lens firmware is already Version 2.0.0, it is not necessary to update the firmware.

   The version of the lens firmware can be checked on the camera menu.

   See Camera User Guide for further instructions on how to check the lens firmware version.

   Notes: The enhancement is available only when the lens is mounted to the EOS M5/EOS M6 cameras.

   The Mount Adapter EF-EOS M is required to mount this lens on ​the EOS M5/EOS M6.

   Preparations for the firmware update: In the folder you downloaded are the firmware (file name: EF012200.lfu / file size: 1,441,844 bytes) and instructions on the firmware update procedures (a PDF file in five languages: Japanese, English, French, Spanish, and Simplified Chinese).

   Before starting the firmware update operations, please be sure to carefully confirm your understanding of these instructions.

   Release notes & download