Sony A7SIII - Disable vertical video (9:16)?

[Beck]

If I press record when holding the camera vertically the video will be saved in 9:16 instead of 16:9 and I can't fint any option to disable that feature?

It is really annoying having thumbnails being flipped 90 degrees in the editing software as well as having to flip the clips on the timeline. It is also very annoying that it is flipped when previewing the clip both in editing software but also in any media player.

It happens really often when doing run and gun video (documentary style).

[tadwil]

I don't understand what 'run and gun' video (documentary style) is, as I don't shoot video but the solution to your problem seem very simple to me.  Make sure you are holding the camera in landscape position before pressing the record button.  What happens if you press the record button when the camera is in landscape position then hold the camera in portrait position then back again to landscape?  Does the recorded video flip-flop from16:9 to 9;16 then back to 16:9?

[Beck]

Sometimes I have to film in rough terrain where I need to keep my balance while walking on rocks, muddy/slippery slopes and so on while following/filming someone. And sometimes I have to press record while doing so, because something is happening that I need to capture. (The audio is very important too.)

So keeping the camera horizontal every time I press record is not always an option. The aspect ratio stays the same throughout the video. My guess is it's embeded in the metadata (like rotated images).

So I need to find a way to disable that behavior.

[Cameratose]

Would a steady-cam type mount help? Seems like that'd be the easiest (although not least expensive) way to allow you to walk on uneven ground and keep the camera steady without having to look at it constantly.