Vortex Razor HD 10x50 Small (6.8" tall), lightweight (785 grams), brighter (APO optical system) and stronger (magnesium body), the Razor HD offers the perfect combination of advanced thinking and premium components. Despite their superb value, the Razor HD binoculars are packed with the best quality, hand-selected prisms and premium HD (High Density) extra-low dispersion glass available today. Multi-layer coatings provide the clearest, brightest, most color-accurate images possible. Premium (High Density) extra-low dispersion glass delivers the ultimate in resolution and color fidelity, resulting in High Definition images. Premium proprietary coatings deliver the highest level of light transmission with multiple anti-reflective coatings on all air-to-glass surfaces for maximum brightness. Exterior lenses are protected by ArmorTek — an ultrahard, scratch-resistant compound that repels oil, dirt and the corrosive salts of fingerprints. Unlimited. Unconditional. Vortex will repair or replace the product in the event it becomes damaged or defective. Absolutely free—no matter the cause!