Pack In Viewing Power. When details are what counts, the 10x42 Viper binocular with X-Factor vision is a fine choice for long-range scanning.

XD (Xtra-low Dispersion) glass objective lens elements of extra-low dispersion glass enhance image resolution—carefully selected and precision-crafted to exacting standards for true-to-life images of startling clarity and color accuracy.

XR coatings deliver incredible image detail with extremely high resolution and light transmission. Fully multi-coated, scratch-resistant coatings eliminate annoying, image-degrading reflections and offer extraordinary brightness for a lifetime of trouble-free lens protection.

Engineered for rough handling
Vortex knows there are times when it's just plain hard to keep a handle on things. That's why the Viper features trend-setting optical components with engineering that anchors internal prisms in place for years of exceptional viewing. Let it rain. Let it snow. Let the wind blow up a dust storm. Nothing gets to the Viper—an absolutely dust proof, fog proof, and waterproof binocular!

Complete waterproof protection keeps dust and water out of the optical system with tight O-ring seals.
Complete fogproofing of internal lenses presents clear views in spite of sudden temperature changes because of argon-purged optics.
Metal-reinforced eyecups are tough, durable, finished with a rubber coating, and made to endure constant wear.
Tapered multi-position eyecup style provides a more natural fit to your eyes and comfortable, full-field viewing with eyeglasses.
Lightweight chassis promises extreme performance in a compact, 23-ounce package.
Ribbed rubber armor ensures a solid, comfortable grip even if wearing gloves.