100~150 yards area in twilight
Don't know if it'll be of any help but having compared the two out of curiosity, can say that at 75 yards in twilight* it loses image definition a bit earlier than a Zero Option 3-9x40 when both at 9x.

(* light level where small white targets - screwtops off 1 litre plastic milk containers - are almost invisible to unscoped eye)