Audubon 842HP Equinox HP 8x42 Binoculars Premium glass elements, fully phase-corrected roof prisms, and high-grade multicoatings on all air-to-glass surfaces provide excellent color fidelity and resolution in even the poorest lighting conditions Large center focus delivers speedy yet precise image adjustments Waterproof, fogproof, fully submersible Tapered multi-position eyecups for easy glasses adjustment and comfortable long term use Lightweight, ergonomic design is easy to hold and wear