Canon has released firmware updates for five RF mount lenses.
RF 100-300mm f2.8L IS USM version 1.0.6
1. Improves focus, making it more easily achievable, even when performing fast zooming operations.
1. Improves focus, making it more easily achievable, even when performing fast zooming operations.
2. Improves the Panning Assist control feature for 2nd and subsequent images captured during continuous shooting when using the electronic shutter.
RF 400mm f2.8L IS USM version 1.0.6
1. Improves the Panning Assist control feature for 2nd and subsequent images captured during continuous shooting when using the electronic shutter.
RF 600mm f4L IS version 1.0.6
1. Improves the Panning Assist control feature for 2nd and subsequent images captured during continuous shooting when using the electronic shutter.
RF 800mm f5.6L IS USM version 1.0.4
1. Improves the Panning Assist control feature for 2nd and subsequent images captured during continuous shooting when using the electronic shutter.
RF 1200mm f8L IS USM version 1.0.4
1. Improves the Panning Assist control feature for 2nd and subsequent images captured during continuous shooting when using the electronic shutter.
The firmware for Windows and MacOS can be downloaded from: https://www.canon.co.uk/support/consumer/products/lenses/
Instructions for installing the firmware are included.