Firmware update for EF 24-105mm f4L IS II USM

Firmware version 1.0.4 for the EF 24-105mm f4L IS II USM enhances the effects of image stabilization when using the lens with the EOS 5D Mark IV at a shutter speed between 1/100 and 1/160 second.
Information about firmware Update

Firmware version 1.0.4 is for lenses with firmware version 1.0.3 or earlier and whose third digit in the serial number is “0” (xx0xxxxxxx). If the 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.

You can download the firmware (for Windows or Mac OS X) at:
http://bit.ly/2hbSC1O (UK)
http://bit.ly/2hJy3un (USA)

In the folder you download are the firmware (file name: EF012104.lfu / file size: 1,441,844 bytes), and instructions on the firmware update procedures.

More EOS firmware updates

Canon released a number of firmware updates in March 2024, as follows: EOS R3 – version 1.7.1 1. Enables servo zooming to be remotely controlled from EOS Utility or Camera Connect when Power Zoom Adapter PZ-E2/PZ-E2B is attached to a compatible lens. 2. Enables up to 2 TB to be used on CFexpress cards larger than 2 TB. 3. Fixes an issue that may cause the camera, in rare instances, to stop functioning when using GPS. 4. Fixes an issue that may display Error Code 70 when performing anti-flicker shooting at a shutter speed of 1 second or higher. 5. Enhances security for FTPS (File Transfer Protocol Security) connections. 6. Fixes an issue in which Mobile File Transfer may not function when connecting the camera to an iPhone compatible with USB 3.0 and higher. 7. Fixes an issue that, under specific circumstances, may prevent the image from being displayed in the viewfinder or on the screen causing the camera to stop operating, or Error Code 70 may be displayed. 8. Fixes minor issues. EOS

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