The Canon EF 100-400mm f/4.5-5.6L IS II USM is a professional telephoto zoom lens featuring a push-pull zoom mechanism, 4-stop Image Stabilizer, and fluorite elements for sharp, high-contrast images from wildlife to sports photography. It is one of Canon's most popular L-series telephoto zooms and supports 1.4x and 2x teleconverters for extended reach. Firmware updates address AF compatibility with newer EOS camera bodies.
Product released: November 1, 2014
Latest firmware version
Version 1.0.7, released October 21, 2020
Verified by LatestUpdate: June 18, 2026
What's new in version 1.0.7
Firmware Version 1.0.7 incorporates the following fix. Fixes a phenomenon, in rare cases, the IS mechanism may cause the image to jump. Firmware Version 1.0.7 is for lenses with Firmware Version 1.0.6 or earlier. If the lens' firmware is already Version 1.0.7, it is not necessary to update the firmware. The lens' firmware version can be checked from the camera's menu. Preparations for the Firmware Update: In the folder you downloaded are the firmware (File name:EF008107.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.
What is the Canon EF 100-400mm f/4.5-5.6L IS II USM?
The Canon EF 100-400mm f/4.5-5.6L IS II USM is a professional telephoto zoom lens featuring a push-pull zoom mechanism, 4-stop Image Stabilizer, and fluorite elements for sharp, high-contrast images from wildlife to sports photography. It is one of Canon's most popular L-series telephoto zooms and supports 1.4x and 2x teleconverters for extended reach. Firmware updates address AF compatibility with newer EOS camera bodies. It was originally released on November 1, 2014.
What is the latest firmware version for the Canon EF 100-400mm f/4.5-5.6L IS II USM?
The latest firmware version for the Canon EF 100-400mm f/4.5-5.6L IS II USM is 1.0.7. It was released on October 21, 2020.
What changed in Canon EF 100-400mm f/4.5-5.6L IS II USM firmware version 1.0.7?
Canon EF 100-400mm f/4.5-5.6L IS II USM firmware version 1.0.7 includes the following changes: Firmware Version 1.0.7 incorporates the following fix. Fixes a phenomenon, in rare cases, the IS mechanism may cause the image to jump. Firmware Version 1.0.7 is for lenses with Firmware Version 1.0.6 or earlier. If the lens' firmware is already Version 1.0.7, it is not necessary to update the firmware. The lens' firmware version can be checked from the camera's menu. Preparations for the Firmware Update: In the folder you downloaded are the firmware (File name:EF008107.lfu /File size:1,441,...
How do I update the Canon EF 100-400mm f/4.5-5.6L IS II USM firmware?
To update the Canon EF 100-400mm f/4.5-5.6L IS II USM firmware, download the latest version (1.0.7) from Canon's website. Follow Canon's installation instructions, which typically involve copying the firmware file to a memory card or connecting via USB. You can download the latest firmware from Canon's support page.
Where can I download the latest Canon EF 100-400mm f/4.5-5.6L IS II USM firmware?
Details and download instructions for the latest Canon EF 100-400mm f/4.5-5.6L IS II USM firmware (version 1.0.7) are on Canon's official release page: https://www.canon.co.uk/support/consumer/products/lenses/ef/ef-100-400mm-f45-56l-is-ii-usm.html?type=firmware
How do I check for Canon EF 100-400mm f/4.5-5.6L IS II USM firmware updates?
You can track Canon EF 100-400mm f/4.5-5.6L IS II USM firmware updates automatically on LatestUpdate.io. We monitor Canon's releases and notify you when new firmware versions are available, so you never miss an update.
Who makes the Canon EF 100-400mm f/4.5-5.6L IS II USM?
The Canon EF 100-400mm f/4.5-5.6L IS II USM is manufactured by Canon. Visit the official product page for more information.