Opticron Explorer WA ED-R 8x42mm Roof Prism Binoculars Black. Opticron constructed these Binoculars with Extra-low Dispersion (ED) glass objective lenses PC phase-corrected prisms and an R-type multi-coating that combine to create a remarkably bright sight picture with virtually zero chromatic aberration (color fringing). Opticron Explorer WA ED-R 8x42mm Compact Binoculars feature wide-angle eyepieces that offer long eye relief for enhanced comfort especially if you wear eyeglasses. Grab these tripod-adaptable Opticron Explorer WA ED-R 8x42 Waterproof Binoculars to clearly survey your surroundings on the hunting grounds. Specifications for Opticron Explorer WA ED-R 8x42mm Roof Prism Binoculars: Manufacturer: Opticron Color: Black Magnification: 8 x Objective Lens Diameter: 42 mm Prism System: Roof Prism Material: BAK4 Eye Relief: 0.7 in Field of View Linear: 393 ft at 1000 yds Field of View Angle: 7.5 degrees Optical Coating: Fully Multi-Coated Close Focus: 6.6 ft Diopter Adjustment Range: 4.5 dpt Water Resistance Level: Yes Length: 140 mm Weight: 23.6 oz Fabric/Material: Aluminium Alloy Polycarbonate Magnification Type: Fixed Width: 126 mm Depth/Thickness: 52 mm Features of Opticron Explorer WA ED-R 8x42 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 2m/6.6ft Tripod adapter socket Package Contents: Opticron Explorer WA ED-R 8x42 Binocular Case Rainguard Lens covers Cleaning cloth Opticron 30771: Explorer WA ED-R 8x42 Binocular Black Not applicable