Vortex DB-211 10x28 Diamondback HD Binocular

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Vortex DB-211 10x28 Diamondback HD Binocular

The Diamondback HD smashes the scale of price vs performance, delivering a rock-solid optic that optically punches high above its class. The included GlassPak binocular harness keeps your glass close at hand, ready to deploy at a moment's notice, all while providing protection and significantly more comfort than traditional neck straps.

Optical Features:

  • HD Optical System - Optimized with select glass elements to deliver exceptional resolution, cut chromatic aberration and provide outstanding color fidelity, edge-to-edge sharpness and light transmission.
  • Fully Multi-Coated - Increase light transmission with multiple anti-reflective coatings on all air-to-glass surfaces.
  • Dielectric Coating - Multi-layer prism coatings provide bright, clear, color-accurate images.
  • ArmorTek - Ultra-hard, scratch-resistant coating protects exterior lenses from scratches, oil and dirt.

Construction Features:

  • Rubber Armor - Provides a secure, non-slip grip, and durable external protection.
  • Waterproof - O-ring seals prevent moisture, dust and debris from penetrating the binocular for reliable performance in all environments.
  • Shockproof - Rugged construction withstands recoil and impact.
  • Fogproof - Argon gas purging prevents internal fogging over a wide range of temperatures.
  • Roof Prism - Valued for greater durability and a more compact size.

Convenience Features:

  • Adjustable Eyecups - Twist up and down to precise, intermediate settings to maximize custom fit for comfortable viewing with or without eyeglasses.
  • Center Focus Wheel - Adjusts the focus of both binocular barrels at the same time.
  • Diopter - Adjusts for differences in a user's eyes. Located on right eyepiece.
  • Tripod Adaptable - Compatible with a tripod adapter, allowing use on a tripod or car window mount.


  • Brand: Vortex
  • Model: Diamondback HD
  • Magnification: 10x
  • Objective Lens Diameter (mm): 28
  • Eye Relief (mm): 16
  • Exit Pupil (mm): 2.8
  • Linear Field of View @ 1000 yards (ft): 273
  • Angular Field of View (°): 5.1
  • Close Focus (ft): 6
  • Interpupilary Distance (mm): 55 - 72
  • Height (in): 4.6
  • Width (in): 4.5
  • Weight (oz): 15.9



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