Looking at the Zenmuse gimbals at $999US (discounted $1,500) really catches my attention. However, I think this is because of the functionality issues within the GO application. I have an Inspire 1 and M600P and a GH4. From what I see, there is no live feed from the camera in the Go app during flight, tap on screen focus and/or pan.
DJI, please clarify what works with the Go application and what doesn't.
Also, for balancing purposes, what is the specified lense that must be used on the GH4 version?

Thanks,
Jay

If its the Zenmuse Z15 gimbals, there are live video feed from the camera, we have had almost them all, and all have live video feed, but with the A3 controller, you cannot adjust anything anymore, other then trigger the shutter og start/stop recordring, with the A2 you could in some cases adjust aperture settings in flight.

On top of what Jesper provided, the supported lens for the GH4 gimbal is the OLYMPUS M.ZUIKO DIGITAL ED 12mm f2.0 lens.