english not good, someone plz give me easy answer,which one should i select, view speed or monitor distance?from cs go to pubg.(i select 360distace for hip fire ,so that i can turn 180degree faster, i want to know about scoping and all zoomed in(2x 4x 8x 15x),should be view speed or monitor distance, to get the same feeling between two games .thanks 

It's a personal preference, but try Viewspeed first. It's about the same as 70% Monitor Distance.