You really have to ask yourself what you want to do. Video or stills?
If you are trying to do portraits, even a cheap camera today will take great pictures and you don't need long lenses. Taking a class on lighting and buying some reflectors and studio lights will serve you much better than a camera that shoots 4K.
If you are trying to do portraits, even a cheap camera today will take great pictures and you don't need long lenses. Taking a class on lighting and buying some reflectors and studio lights will serve you much better than a camera that shoots 4K.