Vortex Optics

Vortex Optics 8x28 Viper R/T Tactical Water Proof Roof Prism Binocular with 6.1 Degree Angle of View & Ranging Reticle

SKU: VORV828T MFR: V828RT
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About the Vortex Optics 8x28 Roof Prism

The Viper R/T tactical binocular combines award-winning optics and required military features to create a tough, durable roof prism binocular-reliable in the worst conditions. XD (extra-low dispersion glass) objective lenses further enhance resolution and deliver the true-to-life color accuracy so essential for identifying targets. Soldiers and hunters can range objects of known dimension with the R/T Ranging reticle, which features four human silhouettes to serve as a secondary ranging aid.

Vortex Optics 8x28 Roof Prism Includes

  • Vortex Optics Viper R/T 8x28 Tactical Binocular
  • Rainguard, Soft and Waterproof
  • Tethered Objective Lens Covers
  • Deluxe Contoured Neck Strap
  • Deluxe Padded Carry Case
  • Vortex Optics Unconditional Lifetime Warranty

Vortex Optics 8x28 Roof Prism Features

  • XR Lens Coatings: Vortex XR proprietary anti-reflection lens coatings increase light transmission with multiple coatings on all air-to-glass surfaces.
  • XD Lens Elements: Extra-low dispersion (XD) glass enhances resolution, color and contrast.
  • Fully Multi-Coated Lenses: Increase light transmission with multiple anti-reflective coatings on all air-to-glass surfaces.
  • Phase Correction: Used on roof prism models only-coating enhances resolution and contrast.
  • Roof Prisms: Valued for greater durability and a more compact size.
  • Rubber Armor: Provides a secure, non-slip grip and durable external protection.
  • Adjustable Eyecups: Fold up and down for comfortable viewing with or without eyeglasses. Flared to eliminate stray light and rotatable for a custom fit.
  • Center Focus Wheel: Adjusts the focus of both binocular barrels at the same time.
  • Right Eye Diopter: Adjusts for differences in a user's eyes. Located on the right eyepiece.
  • Waterproof: Optics are sealed with O-rings to prevent moisture, dust and debris from getting inside the binocular.
  • Fogproof: Barrels are filled with argon gas to inhibit internal fogging.
  • ArmorTek Lens Armor: Ultra-hard, scratch-resistant coating repels oils and corrosive salts on outer glass surfaces.

Vortex Optics 8x28 Roof Prism Specifications

Magnification 8 x
Objective Lens Diameter 28 mm
Eye Relief 20 mm
Exit Pupil 3.5 mm
Linear Field of View 319 feet/1000 yards
Angular Field Of View 6.1 degrees
Close Focus 7.5 feet
Interpupillary Distance 56-73 mm
Height 4.7 inches
Width 4.5 inches
Weight 11.8 ounces
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