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FPV drone hardware has commercialized very cheap very low latency video feeds to headsets.

Not with headtracking though. Not sure that's reasonably possible.

FPV headsets can have head tracking. I don’t know cost now, but it was possible even in 2012/2013/2014 when I worked in that industry.

Huh, so there is, with physical servos moving a camera.

Any idea what latency numbers might look like? Seems unlikely the physical movement can be especially low latency.

What's the advantages of head tracking though? I don't see it's in anyway better than just joystick to control robot head movement.

It's a completely natural movement for the operator, that will require almost no practice or training, and also leaves the operator's hands free to operate other controls.

You’re already using two joysticks with your thumbs or thumbs and index to fly.

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