For me. The mechanical ability of the scope is most important to me first and foremost. Will it hold zero, will it track straight, will it return to zero, are the turrets tactile or mushy. I`m not a glass snob by any means, and while I do own NF, Burris XTR IIIs, Leupold, and a couple Sig Sauer. The edge to edge, CA, is something I don`t even notice in a rifle scope. My eyes just aren`t that good to tell much of a difference with a quality scope compared to a super high end scope. I`m just fine in the $1000-$1500 range. my .02