Vortex 12x50 Diamondback HD Binoculars

BH #VO12X50DHDB • MFR #DB-217
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Vortex 12x50 Diamondback HD Binoculars
Key Features
  • High Definition Optical System
  • Phase-Corrected Roof Prisms
  • Fully Multicoated Optics
  • Wide 62° Apparent Angle of View
Featuring powerful magnification and a generous objective lens for a bright view even in low light conditions, the 12x50 Diamondback HD Binoculars from Vortex are a versatile optic suited to a wide range of uses. They can be mounted on a tripod with a separately sold adapter, and come with a Vortex GlassPak harness for comfortable use during hours of observation.
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Vortex Diamondback HD 12x50 Overview

Featuring powerful magnification and a generous objective lens for a bright view even in low light conditions, the 12x50 Diamondback HD Binoculars from Vortex are a versatile optic suited to a wide range of uses. They can be mounted on a tripod with a separately sold adapter, and come with a Vortex GlassPak harness for comfortable use during hours of observation.

The Diamondback HD renders views with minimal chromatic aberration, exceptional color fidelity, edge-to-edge sharpness, and optimal light transmission through the use of ultrahigh-definition glass, an index-matched lens configuration, XR Plus lens coatings, and dielectric-coated, phase-correcting roof prisms. 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 for nonslip and durable protection and equipped with a large focusing knob that is easy to use even while wearing gloves. Twist-up eyecups accommodate users who wear glasses, and the binoculars are naturally contoured to perfectly fit your hands, promoting comfort and eliminating user fatigue. 

Optical Performance
  • Roof prism design
  • 12x magnification
  • 50mm objective lenses
  • Fully multicoated lenses increase transmission, clarity, and brightness
  • Dielectric-coated, phase-correcting roof prisms improve true color, contrast, and transmission
  • 5.2° angle of view
  • 271' linear field of view at 1000 yards
  • Birding-friendly 6' close focus distance
  • Exit pupil: 4.2mm
  • Eye Relief: 14mm
Use and Handling
  • Short-hinge bridge cuts weight and exposes more surface for handling
  • Adjustable interpupillary distance: 60-75mm
  • Oversized knurled center focusing wheel
  • Textured diopter ring on right eyepiece
  • Twist-up, soft-tapered rubber eyecups
Construction Details
  • GlassPak binoculars harness with zippered accessory pocket
  • Protective rubber armor provides a slip-resistant grip
  • O-ring sealed and argon filled to be IPX7 waterproof and resistant to internal fogging when moving through extreme temperature and environmental conditions
  • Scratch-resistant ArmorTek exterior lens coatings repel oils and corrosive materials from lenses
UPC: 875874009967

Vortex Diamondback HD 12x50 Specs

Key Specs
Prism Type
Roof
Magnification
12x
Objective Lens Diameter
50 mm
Angle of View
5.2° (Actual)
Field of View
271' @ 1000 yd / 89.97 m @ 1000 m
Exit Pupil Diameter
4.2 mm
Prism Type
Roof
Performance
Magnification
12x
Objective Lens Diameter
50 mm
Angle of View
5.2° (Actual)
Field of View
271' @ 1000 yd / 89.97 m @ 1000 m
Minimum Focus Distance
6' / 1.83 m
Exit Pupil Diameter
4.2 mm
Eye Relief
14 mm
Interpupillary Adjustment
60 to 75 mm / 2.4 to 3"
Diopter Adjustment
Yes
Focus Type
Center
Features
Stabilization Freedom
No
Fogproof
Yes: Argon Filled
Environmental Resistance
Water-Resistant (IPX6)
General
Dimensions
6.4 x 5.3" / 16.26 x 13.46 cm
Weight
28.9 oz / 819 g
Packaging Info
Package Weight
2.9 lb
Box Dimensions (LxWxH)
8.9 x 7.5 x 7.2"

Vortex Diamondback HD 12x50 Reviews

Very good for the price

By Stuart
Rated 4 out of 5
Date: 2026-02-03

These binoculars provide good sharpness contrast and brightness and are better than all of my older porro prism binoculars except that they show a little more chromatic aberration than the best of them. These are so much lighter and smaller than what I have been using and are weather sealed too. I am using a molle belt pouch to carry them which has better padding and closes with a zipper for protection as I did not like the included case. Very good value for the money and while I was thinking of getting the next model up with ED glass I ultimately decided it was not worth it for me as I would rather spend on lenses instead.

Great quality binocular

By Stanislav
Rated 5 out of 5
Date: 2025-12-22

Great and clear view!!!! Very good choice for rather low price.

See any errors on this page?

Is there a life time warranty ?

Is there a life time warranty ?
Asked by: William
Correct, it comes with a Vortex Optics life time warranty.
Answered by: Rob K
Date published: 2020-10-13

Is the binocular made from China ?

Is the binocular made from China ?
Asked by: RAJENDRA
Yes
Answered by: Shalom
Date published: 2020-08-25

What all comes with these binoculars?

What all comes with these binoculars?
Asked by: Pamela
The Vortex 12x50 Diamondback HD Binoculars (BH # VO12X50DHDB) includes the following: Items Included: Vortex 12x50 Diamondback HD Binoculars Vortex GlassPak Binocular Harness (Tan) Neck Strap Rainguard Eyepiece Cover 2 x Tethered Objective Lens Cover Lens Cloth Limited Lifetime Manufacturer Warranty
Answered by: Mark S
Date published: 2025-08-26

Does this have adjustable eye cups so I can use ...

Does this have adjustable eye cups so I can use them with glasses?
Asked by: David
Yes, these have adjustable eyecups.
Answered by: David
Date published: 2020-12-21
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