VORTEX DIAMONDBACK HD 10X28 BINOCULAR

The Vortex Diamondback HD 10×28 is a small and lightweight hunting binocular for viewing distant subjects in daylight. Its 10× magnification, HD optical system and phase-corrected roof prisms with dielectric coatings provide detailed viewing in a compact body weighing only 377 g.

Suitable for use

• Daytime hunting

• Open-country observation

• Viewing distant birds and wildlife

• Hiking and general outdoor use

• Travel and sightseeing

• Outdoor and sporting events

• Quickly scanning terrain and equipment

• Carrying as a compact backup binocular

• Users who want the smallest practical binocular with 10× magnification

Why choose the Vortex Diamondback HD 10×28?

• Detailed 10x magnification

• Compact 28 mm objective lenses

• Weight of only 377 g

• HD optical system

• Fully multi-coated lenses

• Dielectric-coated roof prisms

• Phase-corrected prisms

• 91 m field of view at 1000 m

• Close focus from 1.8 m

• ArmorTek® exterior lens protection

• Ergonomic true open-hinge design

• Argon-purged, waterproof and fog-proof construction

• Shockproof, rubber-armoured body

• Tripod adaptable with a separate adapter

• Soft carry case and case strap included

• Vortex VIP lifetime warranty, subject to the manufacturer’s terms

Technical specifications

• Magnification: 10×

• Objective diameter: 28 mm

• Optical system: HD Optical System

• Prism type: Roof

• Prism coatings: Dielectric and phase-corrected

• Lens coating: Fully multi-coated

• Exterior lens protection: ArmorTek®

• Field of view: 91 m at 1000 m

• Angular field of view: 5.1°

• Exit pupil: 2.8 mm

• Eye relief: 16 mm

• Close focus: 1.8 m

• Interpupillary adjustment: 57–73 mm

• Focusing: Central focus wheel

• Dioptre adjustment: Right eyepiece

• Eyecups: Adjustable

• Body design: True open hinge

• Height: 117 mm

• Width: 114 mm

• Weight: 377 g

• Gas filling: Argon

• Waterproof: Yes

• Fog proof: Yes

• Shockproof: Yes

• Tripod adaptable: Yes, separate adapter required

• Warranty: Vortex VIP Warranty, subject to the manufacturer’s terms

• Barcode: 875874009905

Supplied with

• Vortex Diamondback HD 10×28 binocular

• Rainguard eyepiece cover

• Tethered objective lens covers

• Neck strap

• Soft carry case

• Soft case strap

• Lens cloth

Frequently asked questions

What does 10×28 mean?

The first number indicates 10× magnification, while the second is the 28 mm objective diameter. This format makes distant subjects appear larger while keeping the binocular’s size and weight as low as possible.

How does the 10×28 model differ from a 10×32 binocular?

The 10×28 is smaller and lighter, while the 10×32 gathers more light and provides a wider field of view. Choose the 10×28 when minimum weight matters most and the 10×32 for more versatile observation.

Is the Vortex Diamondback HD 10×28 suitable for low-light use?

Its 28 mm objectives and 2.8 mm exit pupil are intended primarily for daylight observation. A 10×42 or 10×50 binocular is preferable for regular dawn, dusk or dim woodland use.

Is this binocular suitable for eyeglass wearers?

Yes. It has 16 mm of eye relief and adjustable eyecups. Eyeglass wearers should normally turn the eyecups down to see as much of the field of view as possible.

Recommended products

• A 10×32 binocular for a wider field of view and improved light gathering

• An 8×32 binocular for steadier handheld observation

• A 10×42 binocular for improved low-light performance

• A 10×50 binocular for regular dawn and dusk observation

• A tripod adapter for prolonged stationary viewing

• A lens-cleaning pen and microfibre cloth

When is the Vortex Diamondback HD 10×28 the right choice?

The Diamondback HD 10×28 suits users who want to see distant detail in daylight while keeping binocular size and weight to a minimum. It fits easily into a daypack, vehicle or hunting kit and is practical for travel and long walks.

Choose a 10×32 model for a slightly wider field of view and better light gathering. An 8×32 is easier to hold steadily and better suited to following moving subjects. A 10×42 or 10×50 is preferable for regular dawn and dusk observation.

Expert recommendation

The main advantage of the Vortex Diamondback HD 10×28 is its 377 g weight and compact body. It suits users who want to carry a binocular at all times but still need 10× magnification for distant subjects. Its optical system and quality prism coatings make it a capable daytime optic, although its 28 mm objectives should not be compared with larger 42 or 50 mm models in low light.

Ten-power magnification and the 91 m field of view require slightly more care when locating subjects and holding the image steady than an 8×32 binocular. Brace your elbows or use a tripod adapter during prolonged observation. Before regular use, adjust the interpupillary distance and right-eye dioptre. Remove loose dust before wiping the lenses with the supplied cloth.

Compact HD optics for daytime observation

The Vortex Diamondback HD 10×28 combines low weight, 10× magnification and weather-resistant construction in an easily portable binocular. It is a practical choice for daytime hunting, hiking and travel when equipment space is limited.