Did you try the other propellars that came with your Phantom 3?
I would suspect unbalanced props to be the main cause of your problem.
Doing 60FPS video should help. So would adding an ND-filter.
However, it could never hurt to try to fix some of the root cause - which is likely to be unbalanced props.
Generally the DJI props work great and a nicely balanced. But there is bound to be a bit of variation.
Good luck
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