HD premium high density extra-low dispersion glass lens elements are precision-crafted to exacting standards for true-to-life images of startling clarity, resolution and color accuracy Exterior lenses are protected by ArmorTek - an ultrahard, scratch-resistant compound that repels oil, dirt and the corrosive salts of fingerprints. Fully multi-coated with scratch-resistant XR coatings for extremely high resolution and optimal light transmission A die-cast magnesium alloy body with strategically-placed rubber armoring ensures ultimate strength, durability and lightweight performance

The Razor HD spotting scope from Vortex features a sophisticated apochromatic lens system that utilizes extra-low dispersion High definition glass and results in a virtually chromatic abrasion-free optic. With the dual focus feature you can rapidly focus with the course focus and dial in with the fine adjustments. The compact die-cast magnesium body is nitrogen purged and O-ring sealed for weatherproof unit under nearly any conditions.