Vortex 10x28 Diamondback HD Binoculars

BH #VO10X28DHDB • MFR #DB-211
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Vortex 10x28 Diamondback HD Binoculars
Key Features
  • High Definition Optical System
  • Phase-Corrected Roof Prisms
  • Fully Multi-Coated Optics
  • Field of View: 273' at 1000 Yards
Featuring a high-definition optical system, a lightweight magnesium alloy housing, and powerful magnification for distant details, the 10x28 Diamondback HD Binoculars from Vortex are a versatile optic suited to a wide range of uses.
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Vortex Diamondback HD 10x28 Overview

Featuring a high-definition optical system, a lightweight magnesium alloy housing, and powerful magnification for distant details, the 10x28 Diamondback HD Binoculars from Vortex are a versatile optic suited to a wide range of uses.

The Diamondback HD renders views with minimal chromatic aberration, exceptional color fidelity, edge-to-edge sharpness, and optimal light transmission through the use of high definition glass, an index-matched lens configuration, XR Plus lens coatings, and dielectric-coated, phase-correcting roof prisms. Minimum focus is a birding-friendly 6 feet. The lenses are protected from scratches, oil, and dust by ArmorTek exterior lens coating.

The housing is argon filled and sealed with O-rings to ensure reliable and durable protection against dust, debris, fog, and water. The binoculars are rubber armored to make them nonslip and offer durable protection. They are equipped with a large focusing knob that is easy to use even while wearing gloves. Naturally contoured to perfectly fit your hands, promoting comfort, and eliminating user fatigue, the Diamondback HD binoculars include a winning combination of features.

Optical Performance
  • Roof prism design
  • 10x magnification
  • 28mm objective lenses
  • Fully multi-coated lenses increase transmission, clarity, and brightness
  • Dielectric-coated, phase-correcting roof prisms improve true color, contrast, and transmission
  • 273' linear field of view at 1000 yards
  • 6' close focus distance
  • Exit pupil: 2.8mm
  • Eye Relief: 16mm
Use and Handling
  • Short-hinge bridge cuts weight and exposes more surface for handling
  • Adjustable interpupillary distance: 55-72mm
  • Oversized knurled center focusing wheel
  • Textured diopter ring on right eyepiece
  • Twist-up soft tapered rubber eyecups
Construction Details
  • Protective rubber armor provides a slip-resistant grip
  • O-ring sealed and argon-filled to be waterproof and resistant to internal fogging when moving through extreme temperatures and environmental conditions
  • Scratch-resistant ArmorTek exterior lens coatings repel oils and corrosive materials from lenses
UPC: 875874009905

Vortex Diamondback HD 10x28 Specs

Key Specs
Prism Type
Roof
Magnification
10x
Objective Lens Diameter
28 mm
Angle of View
5.1° (Actual)
Field of View
273' @ 1000 yd / 90.64 m @ 1000 m
Exit Pupil Diameter
2.8 mm
Prism Type
Roof
Performance
Magnification
10x
Objective Lens Diameter
28 mm
Angle of View
5.1° (Actual)
Field of View
273' @ 1000 yd / 90.64 m @ 1000 m
Minimum Focus Distance
6' / 1.83 m
Exit Pupil Diameter
2.8 mm
Eye Relief
16 mm
Interpupillary Adjustment
55 to 72 mm / 2.2 to 2.8"
Diopter Adjustment
Yes
Focus Type
Center
Features
Fogproof
Yes: Argon Filled
Environmental Resistance
Water-Resistant (Unrated)
General
Dimensions
4.6 x 4.5" / 11.68 x 11.43 cm
Weight
13.5 oz / 383 g
Packaging Info
Package Weight
1.5 lb
Box Dimensions (LxWxH)
7 x 6 x 5.9"

Vortex Diamondback HD 10x28 Reviews

Nice overall

By Kurt
Rated 2 out of 5
Date: 2026-05-18

A great set of binos overall, at a great price point. but. . . the center focusing wheel is not tough enough, i have broken my second set, which always cracks out the 2 tiny screws under the cap of the wheel, making the binos "plier" focusing. A couple friends bought same set, and broke the cap, and the other one the screws backed out and cap fell off. Great warranty as always from vortex

Great for compact packing

By Emmanuel
Rated 5 out of 5
Date: 2026-04-13

Great for compact packing, lightweight solid build and great calibration

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