The KonusPro LZ30 has an advanced, dual locking system designed to lock-in your final adjustments, and reset your bezel to zero with precise accuracy. Its unique dual illuminated, 30/30 etched reticle provides a blue and red floating crosshair for low light conditions that is unbreakable. The one-piece, 30mm tube, coupled with the fully-multi coated camera quality glass, offers a rugged instrument for extreme conditions with maximum light transmission, regardless of the time of day.