Viper R/T 8x28
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Viper R/T Binocular
Great optics and the ability to range objects with the R/T Ranging reticle.(01:57)
Viper R/T 8x28 Tactical Binocular
A new standard of performance in tactical binoculars. The Viper R/T tactical binocular combines award-winning optics and tactical 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. Features the R/T Ranging reticle with four silhouettes that serve as a secondary ranging aid. Waterproof, fogproof and shockproof.
US Patent 7,877,886
- Rainguard, soft and waterproof
- Tethered objective lens covers
- Deluxe contoured neck strap
- Deluxe padded carry case
Optical Features | |
| Dielectric Prism Coatings | Multi-layer coatings provide bright, clear, color-accurate images. |
| 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. |
Construction Features | |
| 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. |
| 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 |
| Product Manual (PDF) | Download |
Ranging Reticle
Hashmarked ranging reticle using mrad based subtension lines for ranging, holdover, and windage corrections.
Details of the Viper R/T Ranging reticle. >
Read the Viper R/T 28 mm Binocular manual for details on how to effectively use the ranging reticle.US Patent 7,877,886
Binoc-Loc Hinge Lock
Keeps binoculars hinged exactly where you need them for the best views.
MSRP: $20.00
Buy Now: $14.99
