Opticron Explorer WA ED-R 10x42 Binocular Black. 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 color contrast. Specifications for Opticron Explorer WA ED-R 10x42mm Roof Prism Binocular: Manufacturer: Opticron Color: Black Magnification: 10 x Objective Lens Diameter: 42 mm Prism System: Roof Prism Material: BAK4 Eye Relief: 0.6 in Field of View Linear: 339 ft at 1000 yds Field of View Angle: 6.5 degrees Optical Coating: Fully Multi-Coated Close Focus: 8.2 ft Diopter Adjustment Range: 4.5 dpt Water Resistance Level: Yes Length: 140 mm Weight: 23.3 oz Fabric/Material: Polycarbonate Aluminium Alloy Magnification Type: Fixed Depth/Thickness: 55 mm Features of Opticron Explorer WA ED-R 10x42 Binocular 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 Package Contents: Opticron Explorer WA ED-R 10x42 Binocular Case Rainguard Lens covers Cleaning cloth Opticron 30772: Explorer WA ED-R 10x42 Binocular Black Not applicable