Vortex Optics Diamondback Roof Prism Binoculars 10×42

Product Name: Vortex Optics Diamondback Roof Prism Binoculars 10×42

Product Dimension: ‎ 5.8 x 0.1 x 5.1 inches;

Model: Diamondback 10

Brand: Vortex Optics

Material: Composite:

Color: Black

Water Resistance Level: Waterproof

Batteries: One non-standard battery required

Magnification: 8x

Eye Relief: 17mm

Close Focus: 5 feet

Interpupillary Distance: 55-73mm

Angular Field of View: 6.6 Degrees

Vortex Optics Diamondback Roof Prism Binoculars

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Product Details

Whether you’re birdwatching or attending live events, music, or sports, Vortex Optics Diamondback Roof Prism Binoculars 10×42 is a great action bino for all your activities. Its optics are noticeably fantastic, the quality of construction and mechanism are tasteful, and it can beat the most adverse conditions to deliver an incredible performance.

What makes Vortex even a better pick is the 42mm objective lenses, which have greater light-collecting power to provide a vibrant and clear viewing experience. This binocular has a solid construction with an ultra-wide field of view, superb low light performance, and fully multi-coated lenses.

Vortex 10x magnification makes it a perfect gear to bring on a jungle safari or even for general use. Since it’s been designed with rubber armor, users will get a more solid and non-slip grip even in muddy or wet conditions. Apart from that, the soft rubber coating protects the bino from unwanted scraps, dents, and shocks.

Its dielectric fully multi-coated lens reduces the glare reflections and provides an absolute reflectivity across the visible light spectrum. The color rendition and brightness of the image in this binocular are impressive, offering sharp vision with clear sights.

Users can rotate the binoculars until the aligned interpupillary distance for a distinct image without shades. Additionally, it has multi-positioned eyecups that can be turned up and down to align lenses for eye relief.

The waterproof O-ring protects the lenses from dirt, grime, and debris to provide reliable performance in all conditions. It’s backed by an adjustable center focus wheel, which regulates the focus between the binocular barrels simultaneously.

With Vortex Optics Diamondback Roof Prism Binoculars 10×42, you’ll get so many other items, such as a rain guard eyepiece cover and tethered objective lens cap for extra protection against scratches and dust. The box also includes a comfortable neck strap and a deluxe customized carry case to keep the bino safe during a hike or hunting.


  • Crystal clear image with maximum light transmission
  • Easy to install and use
  • Durable, lightweight, and waterproof
  • Image clarity and brightness
  • Perfect for wildlife, birding, and landscape


  • Lacks body-worn case
  • The left ocular eyepiece is a bit cloudy

Key Features

1. Roof Prism

Vortex Optics Diamondback is remarkably efficient and high-yielding with refined multi-coated lenses that prevent light loss. Instead, it allows more light to enter the lens. The dialectic coatings of roof prism increase light reflectivity and provide brighter images than those viewed through the field glass.

That’s not all; the binocular also guarantees high and accurate color reproducibility with image correction. The roof prism shortens the optical path and rectifies the inverted image deliberated by the objective.

With the roof prism, the objective and ocular lens of Vortex align, making the binocular more streamlined, slimmer, and hard-wearing. It makes sure that the binocular is more compact and can fit even in a small space.

2. Adjust Eyecups and IPD

Those who wear eyeglasses will be pleased to have Vortex Optics Diamondback Binoculars 10×42 as it comes with an adjustable eyecup, which helps position the ocular lens at a correct distance. Users simply have to twist the eyecups up or down to enjoy a wide field of view.

Vortex’s adjustable eyecups block the extraneous light from distracting the vision and gives comfort to the eyes. The binocular also comes with an interpupillary distance between the range of 55-73mm, which helps you adjust the center of your eyeglass lenses with the center of your eyes for more picture clarity and a close-up view.

3. Short hinge design

Vortex Optics Diamondback Binoculars 10×42 is one of the most fashionable and advanced binoculars with a slim design. Their modern exterior finish looks even more subtle with careful details. These binoculars feature a short hinge design that provides users a secure and better grip.

It enables them to wrap their fingers around the barrel and single-handedly function the binocular. They are made of a composite material with rubber armor coating that resists shock and provides durable protection. The construction also features magnesium chassis for increased stiffness, light feel, and better performance.

4. Great field of view

The field of view is what determines how much a specimen a user can observe via an optical device. As they take the wider section of the landscapes, it becomes easier to spot objects and at a distance without moving or scanning the binoculars.

As for the Vortex Optics Diamondback Binoculars 10×42, the linear field of view measures 345 feet at 1000 yards, which enables the bino to capture a straight horizon with more natural and rich colors. It gets rid of the barrel distortion and picks up wide angles without affecting the image quality.


Vortex Optics Diamondback Binoculars 10×42 is a compact-size roof prism binocular that offers terrific optical performance for the price. It’s rugged, lightweight, and ergonomic binoculars with fully multi-layered optical lenses and waterproof construction.

Vortex is equipped with an argon purge rubber armor to guard the binocular against electrical damage, abrasion, oil, and dirt. In addition, it’s scoured with nitrogen gas to prevent internal fogging at varied temperature ranges.

These binoculars bring more clarity to the image with a multi-layer prism coating that draws an incredible amount of light. It applies an optical technique of phase-correction for color fidelity as well as enhances the resolution and contrast for better visibility.

It provides more powerful and improved image stabilization with extended viewing up to the far distance. Vortex may appear small, but it’s power-packed with roof prism design, ultra-smooth focus, and high definition.

These decent and best binoculars are fully waterproof and fog proof, providing more durability and longer service to the buyers. The image generally softens to the outside of the field of view while the view axis narrows to get a better picture.

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