The DCF WP II 10x42 binocular features phase-coated roof prisms for exceptional high-contrast, high-resolution images and a nitrogen-filled, fully waterproof JIS Class 6 body (submersible to 3.3 feet) for outstanding performance in wet conditions. Incorporating all of the outstanding elements of the original roof-prism series, the DCF WP II 10x42 features helicoid eyepieces and aluminum alloy bodies, and super reflective prism coating for brighter images.