Feature A Accurate Target Aiming: VSE-4 MOA Reticle for Benchrest Shooting, 0.3 MOA Center Dot for Precise Aiming A Flexible Adjustment Range: 30mm Tube Dia Enhances Elevation Range to 70 MOA with 1/4 MOA Click Value A Reliable Low-Light Visibility: Center Dot Illuminated Reticle Ensures Aiming Even Under Strong Sunlight A Consistent Zeroing Control: Zero Stop Function Effortlessly Returns to a Pre-Set Zero Point Specification Magnification: 4-16x Objective Lens: 50 mm Focal Plane: SFP Eye Relief: 100 mm Exit Pupil: 12-3.3 mm Lens Coating: Fully Multi-coated Linear Field of View @ 100 yd: 24.6-6.3 ft @ 100 yards Linear Field of View @ 100 m: 8.2-2.1m @ 100 meters Angular Field of View: 4.7-1.2 Adeg Reticle: VSE-4 MOA Tube Dia: 30 mm Side Focus: 10 yards to Infinity Click Value: 1/4 MOA Turret Function: Zero Stop Elevation Adjustment Range: 70 MOA Windage Adjustment Range: 50 MOA Diopter Compensation: +2 to -2 Illumination Setting: 6 Gears Battery Type: CR2032 Waterproof: IPX4 Fogproof: Nitrogen-filled Shockproof: 750 G Housing Material: 6061 T6 Aluminum Alloy Finish: Black Matte Length: 355 mm / 13.9 in Weight (net): 759 g / 26.8 oz Items in the Package: User Manual, Plastic Wrench, Cleaning Cloth, Flip-up Caps, Sunshade, Hex Key, etc. Reticle Compatible Gun Type For Benchrest Shooting: CZ 457 (.22LR), Tikka T1x / Anschutz / Sako / Howa, Remington 700 / Tikka T3x