Vortex Viper HD 8x42 Roof Prism Binocular
Features:
Magnification: 8 x
Objective Lens Diameter: 42 mm
Eye Relief: 18 mm
Exit Pupil: 5.25 mm
Linear Field of View: 409 feet/1000 yards
Angular Field of View: 7.8 degrees
Close Focus: 6.5 feet
Interpupillary Distance: 56-75 mm
Height: 5.6 inches
Width: 4.9 inches
Weight: 24.5 ounces
OPTICAL FEATURES
HD Lens Elements: HD (High Density) extra-low dispersion glass delivers impressive resolution and color fidelity, resulting in High Definition 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
Roof Prism: Valued for greater durability and a more compact size.
Waterproof: O-ring seals prevent moisture, dust and debris from penetrating the binocular 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
Adjustable 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 right eyepiece.
Tripod Adaptable: Compatible with a tripod adapter, allowing use on a tripod or car window mount.