Spirit ED 1050 Spirit ED’s light transmission of up to 90 percent results in a near-perfect viewing experience. Its advanced lens and prism design with ED glass means you’ll get up-close and personal with nature, unveiling details in a way you never thought possible. Spirit ED boasts user-friendly features, too, with a lightweight, comfortable-to-hold body design, twist-out eyecups for long eye relief, large focus adjustment wheel and 100 percent waterproofness, so the weather will never slow you down. Premium Lifetime Warranty ED glass technology for superior color reproduction Advanced lens coatings for enhanced light transmission Waterproof and fogproof Lightweight body design