3-12x42mm Vortex Diamondback HP Riflescope
* Discontinued *
Magnification | 3-12 x |
Objective Lens Diameter | 42 mm |
Eye Relief | 4.0 inches |
Field of View | 28.8-8.2 feet/100 yards |
Tube Size | 1-inch |
Turret Style | Capped |
Adjustment Graduation | 1/4 MOA |
Travel per Rotation | 15 MOA |
Max Elevation Adjustment | 90 MOA |
Max Windage Adjustment | 90 MOA |
Parallax Setting | 30 yards to infinity |
Length | 12.5 inches |
Weight | 18 ounces |
VIPER DIAMONDBACK HP 3-12X42 DIMENSIONS

LENGTHS |
L1 | L2 | L3 | L4 | L5 | L6 |
12.5 | 1.9 | 1.9 | 5.2 | 3.7 | 3.6 |
Dimensions measured in inches.
V-PLEX (MOA) RETICLE
A popular all-purpose hunting reticle intended for a wide variety of hunting applications.
DEAD-HOLD BDC RETICLE
Customized dot design helps eliminate guesswork on holdover and windage corrections. Good for hunting/shooting at varying ranges where estimating holdover is a concern.
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 | 1-inch 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. |
Precision-Glide Erector System | Uses premium components in the zoom lens mechanism to ensure smooth magnification changes under the harshest conditions. |
Capped Reset Turrets | Allow re-indexing of the turret 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-Glide Erector System | Uses premium components in the zoom lens mechanism to ensure smooth magnification changes under the harshest conditions. |
CONVENIENCE FEATURES |
Fast Focus Eyepiece | Allows quick and easy reticle focusing. |
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