Dunno about the G/GX series, but I use it regularly with my GH4 (my primary camera) and it's just fine for me. My only real complaint is that I can't use it and

Dunno about the G/GX series, but I use it regularly with my GH4 (my primary camera) and it's just fine for me. My only real complaint is that I can't use it and an HDMI out to a recorder, for some reason.