I am a first-time poster but a long-time reader. These forums and this thread in particular has been a real service, so many thanks to you all.
I love my X-T3, but there are a few things that I cannot seem to configure that keep me from turning to it for most of my video. One of them is single-button autofocus ("one button AF" or "instant AF" or maybe "back button focus" for video). On my Canon C100 with dual-pixel AF, I can keep the camera on manual focus for most of my shoot, then press and hold one button to activate continuous autofocus when events start moving quickly and I know I ca