OPTICAL FEATURES |
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XD Lens Elements | Extra-low dispersion (XD) glass increases resolution and color fidelity, resulting in crisp, sharp images. |
XR Fully Multi-Coated | Proprietary coatings increase light transmission with multiple anti-reflective coatings on all air-to-glass surfaces. |
Dielectric Prism Coatings | Multi-layer prism coatings provide bright, clear, color-accurate images. |
Phase Correction | Coating on roof prism models enhances resolution and contrast. |
CONSTRUCTION FEATURES |
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Roof Prism | Valued for greater durability and a more compact size. |
Waterproof | O-ring seals prevent moisture, dust and debris from penetrating the riflescope for reliable performance in all environments. |
Fogproof | Argon gas purging prevents internal fogging over a wide range of temperatures. |
ArmorTek | Ultra-hard, scratch-resistant coating protects exterior lenses from scratches, oil and dirt. |
Rubber Armor | Provides a secure, non-slip grip, and durable external protection. |
CONVENIENCE FEATURES |
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Adjustable Eyecups | Fold 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. |
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 |
Vortex Viper 8x28 Tactical Binocular RT MRAD Ranging Reticle
Vortex Viper series of binoculars offers high-quality, sharp images, wide resolution in a lightweight ergonomic housing. Viper series features high density low dispersion glass, proprietary coatings for increased light transition and scratch-resistant protection of lenses.
This particular Vortex Viper model is equipped with hashmarked ranging reticle that helps coordinating firing. The reticle has four silhouettes for better estimation of target's size at long distances. There are also rubber eye cups that can be folded in order to customize eye relief; they also block light interference from the side.
Ranging Reticle
Hashmarked ranging reticle using mrad based subtension lines for ranging, holdover, and windage corrections.