Specifications: Magnification: 10x Exit Pupil: 4.4mm Reticle: Tac Mil-Spec Objective Diameter: 44mm Field of View: 34.9ft. Eye Relief: 3.5in. Length: 13.5in. Tube size: 30mm Weight: 23oz. Features: 30mm one-piece tube design for superior strength Precision ground, fully multi-coated lenses with wide band coating and extended polishing process for crisp edge-to-edge clarity and maximum light transmission Windage and elevation adjustments in millimeters Glass-etched reticle Fast-focus adjustable ocular for precise clarity SWP down to 10 yds Nitrogen filled for waterproof, shockproof, and fogproof peace of mind 1/8MOA