- Improves AF accuracy during Live View shooting.
- Corrects a phenomenon where in rare instances, movie images shot by the camera may exhibit abnormal colors.
- Corrects a phenomenon that at certain timings, the shutter cannot be released when the camera's built-in flash or an external Speedlite is used for shooting.
Firmware Version 1.0.9 is for cameras with firmware up to version 1.0.8. If the camera's firmware is already version 1.0.9, it is not necessary to update the firmware.