The Viper PST Gen II hands an unfair advantage to shooters who seek to keep the upper hand in every situation from close quarters to long-range shots. The illumination dial is cleanly integrated into the side focus adjustment knob for easy access and streamlined performance. The glass-etched reticle offers shooters highly functional, intuitive, and detailed hold points, yet remains uncluttered for optimal viewing and features 10 intensity levels with off positions between each setting.SpecificationsSKU VT-PST-5256Magnification 5 25Objective Lens Diameter 50 mmEye Relief 3.4 inchesField of View 24.1 4.8 feet/100 yardsTube Size 30 mmTurret Style TacticalRZR Zero StopAdjustment Graduation 1/4 MOATravel per Rotation 25 MOAMax Elevation Adjustment 70 MOAMax Windage Adjustment 35 MOAParallax Setting 25 yards to infinityLength 16 inchesWeight 31.2 ouncesOptical FeaturesXD 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.First Focal Plane Reticle Scale of reticle remains in proportion to the zoomed image. Constant subtensions allow accurate holdover and ranging at all magnifications.Glass-etched Reticle Protected between two layers of glass for optimum durability and reliability.Illuminated Reticle Provides precise aiming under low-light conditions.Construction FeaturesTube Size 30 mm diameter provides maximized internal adjustment and strength.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.Tactical-Style Turrets Exposed turrets provide fast, accurate and easily read elevation and windage adjustments.Internal Mechanism Design FeaturesRZR Zero Stop Zero Stop mechanism prevents the turret from dialing below sight-in range.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.