ELI5- why do screens/lights flicker in videos taken by phone or even yt vids, but not in movies and professional productions?

Question

ELI5- why do screens/lights flicker in videos taken by phone or even yt vids, but not in movies and professional productions?

In: 674

Answer 1

What he means by synched cameras is that the film rate matches the refresh rate of the screen being filmed, if you match your fps to the refresh rate you don’t see the “flicker”