Extreme climate tested to outperform in all conditions, the SX-2 Alpine HD Gen 2, 20-60x60mm features Diamond-Coat, scratch-resistant lenses with our Guard-ion coating that sheds dirt, water and smudging for greater HD resolution and clarity across the magnification range. Other upgrades include the Arca Swiss tripod adapter for a quick and secure setup and FormFit, interchangeable eyecups for all-day comfort. This rugged scope is ideal for anyone who is needing a full-featured spotter that still delivers best-in-class optical performance and clarity.