The Diamondback is loaded with features! First, the solid one piece aircraft grade aluminium alloy construction makes the Diamondback riflescope virtually indestructible; it is highly resistant to magnum recoil. Argon purging puts waterproof and fogproof performance on the agenda, and advanced fully multi-coated optics raise the stakes when crystal clear, tack sharp images appear in the crosshairs. Look for all this and more in a riflescope that you would expect to cost quite a bit more, but doesn't. We can live with that! 4-12x40 riflescope is ideal for big game, predator/varmint, muzzleloader, slug shotgun, and long range applications.

Optical Features:

• Fully Multi-Coated Lenses - Increase light transmission with multiple anti-reflective coatings on all air-to-glass surfaces.

Construction Features:

• One Inch Tube - Standard tube diameter for most American riflescopes.
• One Piece Tube - Maximizes alignment for improved accuracy and optimum visual performance as well as strength and water resistance.
• Aircraft Grade Aluminium - Premium grade of aluminium, valued for fatigue resistance.
• Precision Glide Erector System - Uses premium components in the zoom lens mechanism, ensuring smooth magnification changes under the harshest conditions.
• Fast Focus Eyepiece - Allows quick and easy reticle focusing.
• Low Profile Turrets - Less susceptible to accidental impact damage.
• Reset Turrets - Allow re-indexing of the turret housing to zero after sighting in the riflescope; generally requires use of a coin or wrench.
• Waterproof - O-ring seals prevent moisture, dust, and debris from getting inside the tube, ensuring reliable performance in all environments.
• Fogproof - Filled with argon gas to inhibit internal fogging.

Specifications:

• Magnification: 4-12x
• Objective Lens Diameter: 40mm
• Eye Relief: 3.1"
• Field of View: 32.4-11.3 feet/100 yards
• Tube Size: 1"
• Turret Style: Capped
• Adjustment Graduation: 1/4 MOA
• Travel per Rotation: 15 MOA
• Max Elevation Adjustment: 60 MOA
• Max Windage Adjustment: 60 MOA
• Parallax Setting: 100 yards
• Length: 305mm (12")
• Weight: 414g (14.6oz)

Breakdown of BDC, V-Plex and Rimfire Reticles:

• BDC Reticle
  • This means Bullet Drop Control and it minimises the need for guessing bullet hold-over at long distances. By selecting the appropriate hashmark you will get a reliable bullet-drop reference. This reticle also provides you with reference marks, which can compensate for bullet drift in windy conditions or to range distances.
• Vortex Dead-Hold BDC Reticle (MOA)
  • Customized hash mark design helps eliminate guesswork on hold over and windage corrections. Good for hunting/shooting at varying ranges where estimating hold over is a concern.
• V-Plex Reticle
  • This is another term for Duplex Reticle: Standard crosshairs that are thicker at edges (for faster target acquisition) and thinner in the centre (as not to obscure the view of the target).
• Rimfire Reticle
  • These reticles are more suitable for short-range shooting. They are specially designed for use with rifles that have low recoil as they aren't strong enough to withstand the force of high recoil. This has typically shorter eye relief as the milder recoil that you get from a rimfire rifle reduces the need to have long eye relief. They have a parallax setting of about 50 yards, meaning you should have a scope with a parallax setting for 25 or 50 yards instead of the typical 100 yards you often see on hunting scopes.