VORTEX Razor HD 8x42mm Binoculars (RZB-2101)

APO optical system combined with HD glass provides unmatched color sharpness; HD (High Density) extra-low dispersion glass delivers impressive resolution and color fidelity, resulting in High Definition images; XRPlus premium fully multi-coated lenses deliver the highest level of light transmission for maximum brightness; Dielectric multi-layer prism coatings provide bright, clear, color-accurate images; Plasma Tech(TM)- Cutting edge application process provides unparalleled coating durability and performance; ArmorTek protects exterior lenses from scratches, oil and dirt; Argon gas purging with o-ring seals guarantees superior fogproof and waterproof performance; Phase-corrected prisms for sharp images and contrast.; Magnesium chassis decreases weight and increases strength.; Rubber armor provides rugged durability and a secure, non-slip grip.