THE ULTIMATE OPTIC FOR LONG DISTANCE SHOOTING To go along with an outstancing 5x-50x zoom power and a generous 60mm objective diameter, this model has been engineered with every conceivable feature that can improve your accuracy while you are taking the most prohibitive shot. True ED glass for flawless optical brilliance. 34mm tube for enhanced light-gathering capability. Zero-stop turrets with professional grade reliability. Engraved and especially thin reticle of the Fine Crosshair type with illumination. Auto shut-off with shake-awake technology. Fully multi-coated optics with distortion-free resolution and hydrophobic treatment. This is therefore the absolute top of the line among Konus riflescopes.