Steiner Optics GS3 Game Sensing Rifle Scope - Waterproof Hunting Scope for Rifles, Perfect for Varmint and Big Game Hunting CAT (Color Adjusted Transmission) lens coatings amplify contrast in the peak human vision sensitivity range, to spot game in any environment New 5x Zoom Range: provides sharp resolution at long distances for more accurate shooting in wide-open areas Steiner Plex S1/S7 Reticles: help determine holdover for distance and cascading dots/lines compensate for wind Waterproof, Fogproof & Shockproof Lifetime Steiner Heritage Warranty