Panasonic announced a new firmware update for the Lumix DMC-GH4 at Photokina 2014. The new firmware update adds tethered, remote control shooting, and will enable 4K Photo Mode.
The new 4K Photo Mode will basically enable users to take still images from 4K videos. The camera will automatically set optimum parameters for shooting. Moreover, 4K video can be recorded continuously with Loop Rec function which keeps saving the 5 newest 2-minute video files. Users can then wait for the perfect photo opportunity to come as long as they want keep the camera recording without worrying about the capacity of the SDXC/SDHC Memory Card.
Other functional upgrades include the addition of 4K video recording in 23.98p (MP4, AAC) and enhancement of controllability over ISO setting or the amount of flash emission.