12x magnification & 50mm objective lenses, these Crossfire HD binos are optimized with select glass elements to deliver exceptional resolution, cut chromatic aberration and provide outstanding color fidelity, edge-to-edge sharpness and light transmission. Fully multi-coated lenses increase light transmission with multiple anti-reflective coatings on all air-to-glass surfaces. Roof prism design is valued for greater durability and a more compact size.