Description New for 2024, Vortex's Viper HD Riflescopes offer both excellent optical quality and versatility in a rugged package. All scopes in the Viper HD line utilize Vortex's HD Optical System with select glass elements to ensure optimal resolution, color fidelity, edge to edge sharpness, and high light transmission with minimal chromatic aberration. All reticles in the Viper HD line are illuminated, and are available multiple configurations from simple crosshairs to advanced bullet drop compensation reticles. Select models of the Viper HD series feature exposed locking elevation turrets, allowing for fast, accurate, easily readable adjustments. Select models also feature Vortex's exclusive RevStop Zero System to ensure a rock solid return to zero after making adjustments in the field. Additionally, all Viper HD scopes are Argon gas purged and are water proof, fog proof, and shock proof. Features of the Vortex Viper HD Riflescopes: HD Optical System Select glass elements Illuminated reticles Available in multiple reticle configurations Exposed elevation turrets (select models) RevStop Zero System (select models) Specifications Item ConditionNew Scope Weight:19.9 ounces Scope Length:12.1" Magnification Range:2x - 10x Scope Objective Diameter:42mm Scope Tube Size / Mount:30mm Elevation Turret Details:Capped 25 MOA Per Rotation 135 MOA Total Adjustment Windage Turret Details:135 MOA Total Adjustment Parallax Adjustment:Fixed @ 100 Yards Reticle Position:Second Focal Plane Reticle Details:Dead-Hold BDC MOA Field of View:61.6 feet @ 100 yards (low power) 11.9 feet @ 100 yards (high power) Eye Relief:3.4" Illuminated Reticle:Yes - 10 levels Package IncludesScope Sunshade Lens Cloth CR2023 Battery Scope Finish:Black Scope Turret Rotation:Counter Clockwise (CCW)