cinematic camera mode with vsync causes extremely bad screen shaking

I use vsync to stop screen sharing and turned on cinematic camera mode

link to video lower down 

this may be to do with my computers specifications but i am not using any client related mods

 

link to video i reproduced it both on a singleplayer and multiplayerworld with f3 on and off note the multiplayer is modded but singleplayer is not https://youtu.be/LP3ZHbeURwM