Featuring a high-definition optical system, a lightweight magnesium alloy housing, and powerful magnification for distant details, the 10x28 Diamondback HD Binocular from Vortex is 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. It is rubber armored to make it non-slip and offers durable protection. It is 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 includes a winning combination of features.

Prism Type: Roof
Magnification: 10x
Objective Lens Diameter: 28 mm
Angle of View: 5.1 degree (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
Fogproof: Yes, Argon Filled
Water Resistance: Waterproof
Dimensions: 4.6 x 4.5" / 11.68 x 11.43 cm
Weight: 13.5 oz / 383 g