The Canon RF 600mm F4L IS USM is a professional super-telephoto prime lens natively designed for the EOS R RF-mount system, offering extreme reach at f/4 for wildlife, aviation, and sports photography. The native RF design enables direct communication with EOS R bodies for optimized autofocus performance and coordination with in-body image stabilization. Firmware updates ensure compatibility and performance improvements with the latest EOS R cameras.
Product released: November 1, 2020
Latest firmware version
Version 1.0.6, released April 2, 2024
What's new in version 1.0.6
Firmware Version 1.0.6 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 1.0.6, 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.