The Zeiss Conquest HD 10 x 42 Binoculars feature HD multicoated lenses with ED glass for a clear view and P® and dielectric phase-coated prisms for bright, high-contrast images. The aluminum housing and full rubber armor ensure durability in harsh conditions, and the waterproof, fog-proof construction ensures reliable performance. Twist-up eyecups promote comfortable viewing. With their lightweight, ergonomic design, the binoculars easily fit in your hands, while the large center-focus knob allows quick adjustments. Lotutec® hydrophobic coating on exterior lenses.