What would you run?

[Zeneffect]

Ping pong ball. Since I'm 2nd focal plane I'm going to dial the shortest of the 2 distances, then back off magnification so the 2nd crosshair aligns with 2nd target. Only thing to account for is wind. 40x zoom capability puts me at about 28x for 500 and 300m with the retice. I plan to keep track of it all by just coming prepared and using some good old fashioned tape and a marker