Leupold appears to be headed in the direction of up grading all of their Mk4 scopes to their Diamond Coat2 lenses. Which are not only have very sharp images, but will retain them alot longer than scopes with conventional coatings simply because they don't erode from alot of cleaning.
Frankly, I wish Leupold made a scope like S&B's 10X PM. It has no parallax adjustment. That means it's depth of focus is going to be alot longer than a scope with a side focus/parallax adjustment. Since their are fewer lenses present, it would tend to work better during low light conditions.
We would also have a choice of reticles for those of us that need one that is heavier than the Mil-Dot in the S&B.
I've seen "bright," nights with full moons in the open desert where optics with only a 4mm exit pupil will work. But I've also seen the Mil-Dot reticle disappear long before the end of legal shooting hours when my old VariXIII was set on 10X. So it depends on the light conditons where one does his hunting. E
