OLYMPUS Trooper 8 X 40 DPS 118755 Binocular Type: Binoculars Specifications: Prism Type: BK-7 Porro Close Focus Distance: 13.1 ft (4.0 m) Eye Relief: 0.5 (12 mm) Relative Brightness: 25 Waterproof: No Weight: 25.0 oz. (710 g) Field of View: 429 ft (130.8 m) Objective Lens: 40mm Total Magnification: 8x Size/Dimensions: 5.5 x 7.2 x 2.3 (139 mm x 182 mm x 58 mm)