The next generation of shooters deserves a new standard for quality and ruggedness in their riflescopes. With the VX-Freedom you get best-in-class optics that produce a crisp, clear image with repeatable accuracy. It?s everything you?d expect from a Leupold - designed, machined, and assembled in our Oregon factory, tested to the same ruggedness standards as our top-tier riflescopes, and guaranteed for a lifetime of performance.TECHNICAL SPECIFICATIONS:Objective Lens Diameter: 40 mmMagnification: Range 3 - 9 xTube Diameter: 1 inchReticle: Duplex ReticleWater Resistance Level: WaterproofParallax: FixedAttachment/Mount Type: 1 Inch RingsOptical Coating: Twilight Light Management System.