Designed specifically for the nautical world and boating enthusiasts, Deep Sea Binoculars offer an internal illuminated liquid-dampened magnetic compass and range-finding reticle. 7x magnification provides a steady image even under rough sea conditions. Built to withstand rough marine conditions, Deep Sea Binoculars are O-ring sealed for complete waterproof protection and even float if dropped overboard. Dry nitrogen-purged and sealed to prevent fogging, clouding, and moisture damage. Feature high-quality optics for increased clarity; BAK-4 prisms for crisp images; nonslip, ergonomic rubber design for a secure grip; and heavy-duty, shockproof rubber armor. Include carrying case and neck strap. 395' field of view at 1,000 yards.