The Canon RF 800mm F5.6L IS USM is a professional super-telephoto prime lens natively designed for the RF mount, providing extreme reach at f/5.6 for wildlife, aviation, and sports photography from a distance. The lightweight RF design offers improved handling compared to equivalent EF-mount telephoto optics, while native communication with EOS R bodies enables optimized autofocus and stabilization coordination. Firmware updates ensure compatibility with new EOS R cameras and deliver stabilization and AF improvements.
Product released: November 1, 2022
Latest firmware version
Version 1.0.4, released April 2, 2024
Last checked for updates: Jul 1, 2026 12:02 UTC
What's new in version 1.0.4
Firmware Version 1.0.4 incorporates the following enhancement: 1. Improves the Panning Assist control feature for 2nd and subsequent images captured during continuous shooting when using the electronic shutter. If the lens' firmware is already Version 1.0.4, it is not necessary to update the firmware. You can check the firmware version of the lens from the camera menu. Refer to the camera instruction manual for how to check the current firmware version.
The Canon RF 800mm F5.6L IS USM is a professional super-telephoto prime lens natively designed for the RF mount, providing extreme reach at f/5.6 for wildlife, aviation, and sports photography from a distance. The lightweight RF design offers improved handling compared to equivalent EF-mount telephoto optics, while native communication with EOS R bodies enables optimized autofocus and stabilization coordination. Firmware updates ensure compatibility with new EOS R cameras and deliver stabilization and AF improvements. It was originally released on November 1, 2022.
What is the latest firmware version for the Canon RF 800mm F5.6L IS USM?
The latest firmware version for the Canon RF 800mm F5.6L IS USM is 1.0.4. It was released on April 2, 2024.
What changed in Canon RF 800mm F5.6L IS USM firmware version 1.0.4?
Canon RF 800mm F5.6L IS USM firmware version 1.0.4 includes the following changes: Firmware Version 1.0.4 incorporates the following enhancement: 1. Improves the Panning Assist control feature for 2nd and subsequent images captured during continuous shooting when using the electronic shutter. If the lens' firmware is already Version 1.0.4, it is not necessary to update the firmware. You can check the firmware version of the lens from the camera menu. Refer to the camera instruction manual for how to check the current firmware version.
How do I update the Canon RF 800mm F5.6L IS USM firmware?
To update the Canon RF 800mm F5.6L IS USM firmware, download the latest version (1.0.4) 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 RF 800mm F5.6L IS USM firmware?
Details and download instructions for the latest Canon RF 800mm F5.6L IS USM firmware (version 1.0.4) are on Canon's official release page: https://www.canon.co.uk/support/consumer/products/lenses/rf/rf-800mm-f56l-is-usm.html?type=firmware
How do I check for Canon RF 800mm F5.6L IS USM firmware updates?
You can track Canon RF 800mm F5.6L IS 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 RF 800mm F5.6L IS USM?
The Canon RF 800mm F5.6L IS USM is manufactured by Canon. Visit the official product page for more information.