Vortex Viper HS LR 4-16x50 Rifle Scope

Optical Features XD Lens Elements Extra-low dispersion (XD) glass increases resolution and color fidelity, resulting in crisp, sharp images. XR Fully Multi-Coated Proprietary coatings increase light transmission with multiple anti-reflective coatings on all air-to-glass surfaces. Second Focal Plane Reticle Scale of reticle maintains the same ideally-sized appearance. Listed reticle subtensions used for estimating range, holdover and wind drift correction are accurate at the highest magnification. Construction Features Tube Size 30 mm diameter. Single-Piece Tube Maximizes alignment for improved accuracy and optimum visual performance, as well as ensures strength and waterproofness. Aircraft-Grade Aluminum Constructed from a solid block of aircraft-grade aluminum for strength and rigidity. Waterproof O-ring seals prevent moisture, dust and debris from penetrating the riflescope for reliable performance in all environments. Fogproof Argon gas purging prevents internal fogging over a wide range of temperatures. Shockproof Rugged construction withstands recoil and impact. Hard Anodized Finish Highly durable low-glare matte finish helps camouflage the shooter's position. ArmorTek Ultra-hard, scratch-resistant coating protects exterior lenses from scratches, oil and dirt. Capped Reset Turrets Allow quick re-indexing of the turret (no tool needed) to zero after sighting in the riflescope. Caps provide external protection for turret. Side Focus Adjustment located on riflescope's left side and is easily accessible from shooting position. Provides optimal image focus and parallax removal. Internal Mechanism Design Features Precision-Force Spring System Uses premium components in the erector-spring system to ensure maximum repeatability and ease of adjustment. Precision-Glide Erector System Uses premium components in the zoom lens mechanism to ensure smooth magnification changes under the harshest conditions. Convenience Features MAG-View Fiber Optic Provides a highly visible reference point for the magnification setting. Fast Focus Eyepiece Allows quick and easy reticle focusing.

Magnification 4-16 x Objective Lens Diameter 50 mm Eye Relief 4.0 inches Field of View 27.4-7.4 feet/100 yards Tube Size 30 mm Turret Style Capped Adjustment Graduation 1/4 MOA Travel per Rotation 12 MOA Max Elevation Adjustment 50 MOA Max Windage Adjustment 50 MOA Parallax Setting 50 yards to Infinity Length 13.7 inches Weight 20.4 ounces