Firmare Updates
Firmware Version 1.2.0 is for cameras with firmware Version 1.1.0.
Download and install the latest firmware (v1.0.8) for your EF 400mm f/2.8L IS III USM and EF 600mm f/4L IS III USM
This firmware update (Version 1.0.3.0) incorporates the following improvement, IP streaming has been added, setting custom white balance has been added to the list of selections and a vertical filter function has been added.
This firmware update is for lenses equipped with firmware version older than 2.0.0.
This firmware update is for lenses equipped with firmware version older than 2.0.0.
Firmware Version 1.1.0 is for cameras with firmware Version 1.0.0.
Firmware Version 1.0.2 improves reliability of communication with external flashes.
This firmware update (Version 1.1.2.1 00) incorporates enhancements.
This firmware update (Version 1.0.7.1.00) incorporates the following improvements and enhancements.
This firmware update (Version 1.0.1.1.00) incorporates the following improvements and enhancements.
This firmware update (Version 1.0.5.1.00) incorporates the following enhancements and improvements.