The Vudu 3.5-18X50 Second Focal Plane scope is the ideal scope for medium- and long-range shooting. It features EOTECHs XC High-Density glass, rugged 34 mm tube and easy-to-use tactical turrets equipped with covers. Specifications for EOTech Vudu 3.5-18x50mm Rifle Scope, 34mm Tube, Second Focal Plane: Manufacturer: EOTech Objective Lens Diameter: 50 mm Magnification: 3.5 - 18 x Reticle: Illuminated HC1 MOA Tube Diameter: 34 mm Reticle Focal Plane: Second Focal Plane (SFP) Exit Pupil: 2.8 - 11.2 mm Illumination Color: Red Finish: Matte Field of View, Linear: 5.7 - 29.5 ft at 100 yds Eye Relief: 86 - 100 mm Diopter Adjustment Range: -2 - 2 dpt Color: Black Weight: 878 g Adjustment Click Value: 0.1 Mil Rad Length: 14.843 in Adjustment Type: Mil Rad Parallax: 15 yds to infinity Illumination Type: LED Battery Type: CR2032 Width: 3.9 in Adjustment Range: 0.25 MOA Height: 3 in Lens Material: XC High-Density Glass Optical Coating: Anti-Reflective Battery Life: At Auto Shut-Off 2h, At Room Temp. 500h Water Resistance Level: Waterproof Water Resistant Mark: 1 m Package Type: Polymer Hard Case Magnification Type: Variable W/E Travel at 100 Yds: -50 - 50 MOA Gun Type: Rifle Features of EOTech Vudu 3.5-18x50mm Rifle Scope, 34mm Tube, Second Focal Plane Aircraft-grade aluminum, single-piece construction with anodized finish for extreme durability. Laser-etched adjustment indicators and push-button illumination controls for tracking east. Water-resistant, fog-resistant, shock-resistant with single construction eyepiece. Nitrogen gas purging prevents internal fogging over the operating temperature range. The rugged design prevents damage from heavy recoil and rough handling. The single-piece tube and o-ring seals prevents moisture and dust from entering the scope even in the harshest environments. XC high-density, low dispersion glass with anti reflective coated lenses provides efficient light transmission and unmatched edge-to-edge clarity. Water-resistant, fog-resistant, shock-resistant with single construction eyepiece. Package Contents: EOTech Vudu 3.5-18x50mm Rifle Scope, 34mm Tube, Second Focal Plane Vudu 3.5-18X50 SFP Rifle Scope Operator Manual Reticle Manual Throw Lever Sunshade Lens Cleaning Cloth Battery