Vanguard Orros 10X25 Compact BinocularCrisp, clear viewing: BaK4 prisms and multi coated lenses Unique offset focus wheel for more comfortable adjustment Water 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 boats impressive light transmission and always delivers crisp, clear images. O ringed