Stylish high-performance models of ergonomic design. Prisms are BaK-4 and optics are fully multi-coated with broadband coating technology. These waterproof binoculars are 'O'- ring sealed and nitrogen-filled for fog-free protection. The large objective lenses ensure excellent light-gathering providing exceptionally bright images. Excellent Close-Focus performance. Integral tripod bush. Supplied with Neckstrap and Case. Colour/Material: Black Rubber