Kowa BD II 8x32 XD Wide Angle BinocularThe Kowa BD II 8x32 XD Wide Angle Binocular body is now made with magnesium alloy, resulting in a weight of 18. 5 ounces, even though they are rubber armored and waterproof and nitrogen purged. Optics have also been improved by adding fluoride crystal rich doping to the Prominar ED objective lenses, updating the multi layer anti reflective coatings throughout the binocular. The BaK 4 prisms are phase corrected and C3 coated. Exterior lens surfaces now