Diamondback HP 3-12x42 Riflescope
The Diamondback HP (High Performance) riflescope offers a full-on array of features that discerning hunters are sure to appreciate. Optically, these scopes hit the proverbial mark. XD extra-low dispersion glass increases resolution and color fidelity while XR fully multi-coated lenses maximize every minute of shooting light. The side focus/parallax adjustment is easily accessible while keeping a trim profile and allowing optimal mounting height. And, with a 4x zoom range, the Diamondback HP offers highly versatile magnification.
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 |
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. |
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 |
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.