Canon has released a number of new firmware updates for its f/2.8 and f/4 RF mount zoom lenses. The only update seems to be to add the focus breathing correction feature. This is a new feature in the recently announced Canon EOS R6 Mark II mirrorless camera. The feature is an electronic focus breathing compensation when recording videos. It essentially scales the frame to ensure that you get the same composition throughout the focus range.
Initially, only two lenses supported the Focus Breathing Correction feature of the EOS R6 Mark II, the RF 24mm F1.8 Macro IS STM and the RF 15-30mm f/4.5-6.3 IS STM. Now, it’s been expanded to add five more zoom lenses to the mix, including Canon’s most popular f/2.8 and f/4 RF mount zoom lenses. What lenses compatibility will be added to in the future or which bodies might also see focus breathing compensation still remains to be seen.
The excerpt from the Canon EOS R6 Mark II manual explaining what Focus Breathing Correction is.
New firmware updates are available for five lenses in Canon’s RF zoom lineup, and they’re all available to download now. The notes for all five lens firmware updates essentially reads the same:
This firmware includes the following enhancements.
Supports focus breathing correction*.
*Applies when using a camera that supports focus breathing correction.
You can download the new updates here:
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