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The 12x50 Viper HD Binocular from Vortex is designed for performance in low-light conditions. To make the most of the 50mm objectives, the lenses are made of High Density (HD) Extra-low Dispersion (ED) glass with a phase-corrected apochromatic optical system that produces images that are bright and crisp, with true color transmission across the entire field of view without distortion. All the optical surfaces are fully multicoated with Vortex's XR coatings. This anti-reflective coating ensures minimal light loss and maximum light transmission through the lenses. The roof prisms feature dielectric coatings with better than 99% reflectivity to make sure as much light as possible makes it to your eye.
This binocular is designed to take the rigors of the outdoors. External surfaces of the lenses feature ArmorTek scratch-resistant coatings that not only resist abrasions, they also protect them from oils and dirt. The optical tubes are argon-filled and o-ring sealed to be water and fogproof. The Viper has a center focus wheel that is easily accessible with either hand, with a right-eye dioptric adjustment for crisp and sharp focusing. Twist-up eyecups let you customize your eye relief with or without eye wear. Rubber armoring on the body help ensure a non-slip grip, while providing protection against drops and impacts.
50mm objective lens
Compact roof prism design
Apparent angle of view: 57.6°
Dielectric prism coatings permit better than 99% light reflection
Phase-corrected apochromatic optical system reduces distortion and chromatic aberration for clear and crisp images with true color transmission
High Density (HD), Extra-low Dispersion (ED) glass optimize light transmission and color fidelity
XR lens coating: anti-reflective multicoating on all air-to-glass surfaces enhances contrast and reduces glare
Use and Handling
Center focus knob has a tight, smooth action
Rubber armor provides a secure non-slip grip
Locking right eye diopter for exacting focus correction
Twist-up eyecups with intermediate settings accommodate eyeglass wearers
Tripod mountable with an optional adapter
Argon purged and o-ring sealed for waterproof, fogproof, and dustproof performance
ArmorTek coating: scratch-resistant coating protects objectives and oculars from scratches and dirt