Clients are asking for 9:16 cut-downs of everything now. I've started shooting 3:2 open gate on the S5 II and pulling both 16:9 and 9:16 out of the one clip. Works, but framing for both at once on set is a pain, someone's always drifting out of the vertical.
Anyone found a decent frame guide setup, or a monitor that overlays both at once? Currently using the built-in frame markers and a fair bit of guessing.