UNREAL UE4 - How to make characer invisible each time zoom reaches certain screen size?

Hi i want my character to become invisible whenever i zoom camera up to a certain point, bassicaly when my camera zooms out and my character becomes tinny (because it is so far) i want it to dissapear, then when i zoom back i want my character to appear again, how can i do this visibility change depending on screen size?

Please share BP images for reference, thanks!