The Vortex Viper R/T 8x28 Tactical Binoculars mix together 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 Viper 8x28 Binoculars - R/T Tactical Binoculars - R/T Tactical Features
- Rainguard, soft and waterproof
- Tethered objective lens covers
- Deluxe contoured neck strap
- Deluxe padded carry case
Vortex Viper 8x28 Binoculars Optical 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 Viper 8x28 Binoculars Specifications
- Magnification: 8x
- 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