Vanguard Orros 8X25 Compact BinocularCrisp, clear viewing: BaK4 prisms and multi coated lenses Unique offset focus wheel for more comfortable adjustment Waterproof and fogproof Non slip armor Orros Series compact binoculars are perfect for those who need advanced optical performance packed in a lightweight, compact design so you can carry in a pocket and use them for hours without tire. With BaK4 prisms and multi coated lenses, Orros boasts impressive light transmission and always