Shooting passed 100 yards at starlings (edited)

@nef003. Sorry I am not familiar with the Arken Zulu 5x20 scope. For your case of 30 yards range, I would just zero at 20 yards and then figure out what your aim point for each yardage by shooting at a target box to see your hold over/under. Good luck and have fun.
Thanks for replying. Will try and hope to get the range finding along with ballistic option figured out that way I can just point click and shoot.