Never having owned a Vortex, I can't comment on their quality versus Leupold. I have owned several Leupold scopes and I don't see how their warranty can be beaten by Vortex. Leupold will repair any scope they make with no questions asked, no warranty registration, no matter how many others owned it before you, and return it to your door with the postage paid on their dime. I don't see how Vortex or anyone else tops that.