Feature a Spring-Piston Recoil Rated: 1000G Shockproof Rated Build Engineered for High-Power Recoil in Airgun Shooting a Sharp Focus at Any Distance: Adjustable Objective Corrects Parallax from 10 Yards to Infinity a Crisp, Clear Imaging: Fully Multi-Coated Lens Enhances Light Transmission for Edge-to-Edge Clarity a Versatile 30mm Tube Design: Suited for Close to Mid-Range Small Game Hunting, Fits Most Mounts a Adaptive Illumination: 5-Gear Green and Red Illuminated VNM-1 MIL Reticle Matches Varied Backgrounds Specification VIOC-06 VictOptics SOI 4-12x40 AO Specification Details Magnification: 4-12x Objective Lens Dia: 40 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 - 8.4 ft Linear Field of View @ 100 m: 8.3 - 2.8 m Angular Field of View: 4.76 - 1.6Adeg Reticle: VNM-1 MIL Tube Dia: 30 mm Adjustable Objective: 10 yards to Infinity Click Value: 1/10 MIL Turret Function: N/A Elevation Adjustment Range: >20 MIL Windage Adjustment Range: >20 MIL Diopter Compensation: -2 to +2 Illumination Setting: 5 Gears, Red and Green Battery Type (Not Include): CR2032 Waterproof: IPX4 Fogproof: Nitrogen Filled Shockproof: 1000 G Housing Material: 6061-T6 Aluminum Alloy Finish: Matte Black Length: 353 mm / 13.89 in Weight: 580 g / 20.5 oz Items in the Package: User Manual, Cleaning Cloth, Flip-up Caps, Sunshade, Plastic Wrench, Power Throw Lever, Scope Rings, etc. Size Reticle Video