Steiner Optics M-Series Rifle Scope - Waterproof and Shockproof Gun Scope, Perfect for Hunting or Competitive Shooting Steiner M5Xi is a premium, high-performance sniper riflescope with true 5X magnification Precise windage/elevation adjustments provide both visual and tactile indication of rotational position in a front focal plane design Illumination control features rotary digital control with intermediate stops rated for daytime, low-light and night vision use Shockproof, Fogproof, and Waterproof down to 33ft. Lifetime Steiner Heritage Warranty