Before you buy a vxIII 3.5x10 at least compare it with the 3x9 ziess conquest.Compare them at dusk and have a sales person accompany you outside the store to compare them outside in natural light.Most people actually find the conquest to be brighter than the vxIII and the conquest has a constant 4" of eye relief,while the vxIII varies with magnification.The cost is about the same for both.Be aware that the vxIII is actually a 3.3x9.6 so it compares very closely with other manufactureres 3x9s.