X-Cam allows for it, about $200. Bought one but haven't mounted it yet to a rig...
Now that you mention it, I thought that's what I read but I was like, no way, they wouldn't be that stupid to not have a tilt control. Maybe that's why it's still in the box...It works well as a 2 man rig, but SUCKS as a one man. No way to control tilt.. It's literally the dumbest GUI I have ever seen.
Do The zenmuse h3 or h4 have yaw control?