Employing the companys trademark compact optical system, the Explorer WA ED-R 10x42 delivers an unbeatable combination of specification, quality and ergonomics. With a 6.5 FOV, they are the perfect choice for anyone looking for a compact wide-field 42mm with ED optics and the latest multi-coatings for extra light transmission and colour contrast. Features High quality roof prism design featuring ED glass objectives, PC phase corrected prisms with R-type high light transmission multi-coating Nitrogen waterproof construction finished in full body rubber armour for comfort and protection Wide-angle eyepieces with long eye relief for spectacle wearers Multi-stage retractable eyecups Close focus to under 2.5m/8.2ft Tripod adapter socket