· 30mm Monotube to Enhance Elevation and Windage Adjustment Range, with 4-Inch/100mm Long Eye Relief for Flexible Shooting Positions. · LaREE Lens & VePRO FMC for >90% Light Transmission, with a 56mm Large Objective Lens That Allows More Light for Clear and Sharp Images. · VCT-20A Etched Glass Illuminated Reticle to Compensate for Bullet Drop, Ensuring Precise Shooting and Ideal for Competition. · Zero Stop to Return to a Pre-Set Zero Point without Additional Adjustments, While a Turret Lock to Prevent Unwanted Changes. · IP67 Rated Scope, Dust-Tight, Withstanding Submersion in Water up to 1 Meter Depth for 30 Minutes. Magnification 5-30x Objective Lens Dia 56 mm Focal Plane Second Focal Plane Eye Relief 100 mm / 4.0 in Lens Coating Fully Multi-coated Linear Field of View @ 100 yd 24.9-4.2 ft @ 100 yards Linear Field of View @ 100 m 8.3-1.4 m @ 100 meters Angular Field of View ° 4.7-0.80 ° Reticle VCT-20A Tube Dia 30 mm Side Focus 15 yards to Infinity Click Value 1/10 MIL Turret Function Zero Stop, Turret Lock Elevation Adjustment Range 16.5 MIL Windage Adjustment Range 16.5 MIL Diopter Compensation -3 to 2 Illumination Setting 6 Gears Battery Type CR2032 (NOT INCLUDE) Battery Life N/A Waterproof IP67 Fogproof Nitrogen Filled Shockproof 750 G Housing Material 6061-T6 Aluminum Alloy Finish Black Matte Length 401 mm / 15.8 in Weight 745 g / 26.3 oz Items in the Package One Pair of 30mm Picatinny Scope Rings, DIY Spare Elevation Turret, Lens Caps and Cleaning Cloth, etc.