Vortex Viper® HD 2-10×42

Specifications Magnification 2-10x Objective Lens Diameter 42 mm Focal Plane Second Focal Plane Reticle Illuminated Dead-Hold® BDC (MOA) Eye Relief 3.4″ Field of View 61.6′ – 11.9′ @ 100 yds Turret Style Capped Tube Size 30mm Adjustment Graduation 1/4 MOA Travel Per Rotation 25 MOA Max Elevation Adjustment 135 MOA Max Windage Adjustment 135 MOA Parallax Setting 100 yds. Length 12.1″ Weight 19.9 oz Feature Tech HD Optical System Optimized with select glass elements to deliver exceptional resolution, cut chromatic aberration, and provide outstanding color fidelity, edge-to-edge sharpness, and light transmission. Fully Multi-Coated Lenses Anti-reflective coatings on all air-to-glass surfaces provide increased light transmission for greater clarity and low-light performance. Illuminated Reticle Provides precise aiming under low-light conditions. Single-Piece Tube Maximizes alignment for improved accuracy and optimum visual performance, as well as ensures strength and waterproofness. Argon Gas Purged Gas purged and O-ring sealed for superior fogproof and waterproof performance in the most extreme conditions. Fast-Focus Eyepiece Allows for quick and easy reticle focusing. Aircraft Grade Aluminum Constructed from a solid block of aircraft-grade aluminum for strength and rigidity. ArmorTek® Ultra-hard exterior lens coatings defend against scratches, oil, and dirt. Low-Glare Matte Black Anodize Corrosion and wear resistant anodization provides low-glare matte surface and helps camouflage the shooter’s position. Waterproof Designed to withstand harsh weather conditions. Fogproof Designed to withstand a wide range of temperatures. Shockproof Designed to withstand the highest levels of recoil and impact. Reticle ILLUMINATED DEAD-HOLD® BDC (MOA) Customized hashmark design helps eliminate guesswork on holdover and windage corrections. Good for hunting and shooting at varying ranges, where estimating holdover is a concern.