I am doing my first handheld autofocus test using the Panasonic GH5 and its new Firmware 2.0 update. I'm hoping that the auto-focus may be good enough for my style of handheld, always moving, constantly re-framing, focusing on faces and things people show off. What do you think about this Autofocus performance? This was filmed with Serge Broslavsky at Linaro Connect 2017, see his GH5 setup here. This video was filmed at 4K60p at 150mbit/s H264. Thus far the Panasonic GH5 firmware can't film 4K60 in HLG HDR mode and they don't yet offer an H265 option at 4K60 to save on bitrate at same quality for faster YouTube uploading.