The WP Deep Sea Monocular is designed to give you excellent visuals and features directional tools, making it ideal for use at sea. An internal rangefinder and compass assist in navigation and tracking, and the fully multi-coated optics increase light transmission for a bright image. The waterproof construction keeps it protected, while the ergonomic grip ensures that you keep control of the Barska(R) 7x42 WP Deep Sea Monocular with Reticle. FEATURES: Internal rangefinder and compass Fully multi-coated for a bright image Waterproof and fogproof Ergonomic, non-slip design Includes carrying case, wrist strap and lens cloth Manufacturer's Limited Lifetime Warranty Model: AA11442 SPECS: Magnification: 7x Lens Size: 42mm Prism System: Porro Prism Glass: BK-7 Lens Coating: Fully Multi-coated Linear FOV at 1000 yards: 366' Exit Pupil: 6mm Eye Relief: 19mm Close Focus Distance: 42.64' Weight: 13.4 oz.