The Viper HDs significantly step up their game in 2011 with HD (High Density) extra-low dispersion glass. One look is all you'll need to appreciate why the Viper is an award-winning bino.

Add XR fully multi-coated lenses and you have a bino that delivers bright, crisp details with impressive resolution and color fidelity. Rugged, compact and lightweight—one of the lightest full-size binos available.

It's no mystery why the Vipers are an award-winner. Our Viper HD binoculars pack in all the features you need for a successful birding adventure. See what premium optics can do for you!

Vortex VIP Warranty - If any Vortex Optics product should ever require service, Vortex will repair or replace the product absolutely free - no matter the cause!

CONSTRUCTION FEATURES:

•Roof Prisms - Valued for greater durability and a more compact size.
•Waterproof - Optics are sealed with O-rings to prevent moisture, dust, and debris from getting inside the binocular.
•Fogproof - Argon gas purging guarantees superior fogproof and waterproof performance.
•Rubber Armor - Provides a secure, non-slip grip, and durable external protection.
•ArmorTek - Ultra-hard, scratch-resistant coating protects exterior lenses from scratches, oil and dirt.

CONVENIENCE FEATURES:

•Twist Eyecups - Twist up and down to precise, intermediate settings to maximize custom fit for comfortable viewing with or without eyeglasses.
•Center Focus Wheel - Adjusts the focus of both binocular barrels at the same time.
•Locking Diopter - Adjusts for differences in a user's eyes. Located on the right eyepiece.
•Tripod Adaptable - Compatible with a tripod adapter, allowing use on a tripod or car window mount.

SELECT FROM 3 MODELS:

Viper HD 10x42 Roof Prism Binocular:
•Magnification 10 x
•Objective Lens Diameter 42 mm
•Eye Relief 16.5 mm
•Exit Pupil 4.2 mm
•Linear Field of View 319 feet/1000 yards
•Angular Field Of View 6.1 degrees
•Close Focus 5.1 feet
•Interpupillary Distance 59-75 mm
•Height 5.8 inches
•Width 5.3 inches
•Weight 24.6 ounces

Viper HD 10x50 Roof Prism Binocular
•Magnification 10 x
•Objective Lens Diameter 50 mm
•Eye Relief 19.5 mm
•Exit Pupil 5 mm
•Linear Field of View 278 feet/1000 yards
•Angular Field Of View 5.3 degrees
•Close Focus 8.2 feet
•Interpupillary Distance 59-75 mm
•Height 6.7 inches
•Width 5.2 inches
•Weight 28.4 ounces

Viper HD 15x50 Roof Prism Binocular
•Magnification 15 x
•Objective Lens Diameter 50 mm
•Eye Relief 16 mm
•Exit Pupil 3.3 mm
•Linear Field of View 210 feet/1000 yards
•Angular Field Of View 4 degrees
•Close Focus 8.2 feet
•Interpupillary Distance 59-75 mm
•Height 6.7 inches
•Width 5.2 inches
•Weight 28.4 ounces