Products // Roof Prism

Vortex 10×28 Diamondback


The Diamondback binocular defines the price vs performance ratio in the world of optics. An astoundingly efficient and high-performing optical system with enhanced, dielectric fully multi-coated lenses, serves up stunning views and impressive low-light performance—critical attributes when working to glass up and evaluate game. And with their ultra-wide, best-in-class, field of view, you can effortlessly cover ground and acquire subjects with ease.

    Fully Multi-Coated Increase light transmission with multiple anti-reflective coatings on all air-to-glass surfaces.
    Dielectric Coating Multi-layer prism coatings provide bright, clear, color-accurate images.
    Argon Gas Argon gas-purged and o-ring-sealed for fogproof and waterproof performance.
    Fogproof Argon gas purging prevents internal fogging over a wide range of temperatures.
    Waterproof O-ring seals prevent moisture, dust and debris from penetrating the binocular for reliable performance in all environments.
    Rubber Armor Provides a secure, non-slip grip, and durable external protection.
    Adjustable Eyecups Twist up and down for comfortable viewing with or without eyeglasses.
    Center Focus Wheel Adjusts the focus of both binocular barrels at the same time.
    Diopter Adjusts for differences in a user’s eyes. Located on right eyepiece.
    Tripod Adaptable Compatible with a tripod adapter, allowing use on a tripod or car window mount.
  • Specifications
    Magnification 10 x
    Objective Lens Diameter 28 mm
    Eye Relief 16 mm
    Exit Pupil 2.8 mm
    Linear Field of View 83m / 914m
    Angular Field of View 5.1 degrees
    Close Focus 1.9m
    Interpupillary Distance 55-74 mm
    Height 11.176cm
    Width 11.684cm
    Weight 0.382kg

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