Thanks for post
Shoot great videos on an iPhone
https://www.lukeko.com/13/shoot-great-videos-on-an-iphone 0Apparently this is the system a pro chose to shoot this great video
- Freefly Movi Cinema Robot smartphone stabilizer
- FILMic Pro app
- AxisGO waterproof housing
- BeastGrip universal lens adapter and rig system
https://www.macrumors.com/2019/04/05/apple-ola-cubana-shot-on-iphone-xs-video/
Good afternoon, as far as I know, iPhones have a built-in video converter to other formats, but personally I choose https://www.movavi.com/support/how-to/how-to-convert-flv-to-mp4.html for in order to convert video to mp4 and get it without any problems.