The Barska 7x 50mm WP Deep Sea Binocular is designed specifically for the nautical and boating enthusiast. The 7x 50mm is a popular, easily manageable binocular size that permits a steady image even under agitated ocean conditions. These binoculars provide clear observation in any marine ecology from sunrise to sundown. The Deep Sea Binocular features a rugged heavy-duty and shockproof rubber-armor covering that allows a sure and secure grip in any sea condition. The 7x 50mm WP Deep Sea Binocular is equipped with a built-in internal rangefinder and directional compass reticle to actively assist boaters with direction and bearing indicators during navigation. A distance indicator on one of the objectives allows distance determination when used in conjunction with the rangefinder reticle. With fully multicoated BAK4 prisms for crisp images, it's waterproof and fogproof and has a non-slip ergonomic rubber design. A carrying case, neck strap, ocular lens covers with tethered objective caps, and lens cloth are included.• BAK4 Porro Prisms• Fully Multicoated Optics• Internal Rangefinder and Compass Reticle• Distance Scale• Rubber Armor• Waterproof and Fogproof• Center FocusSpecificationsModel Number: AB10160Focus System: CenterPrism Type: PorroPrism Glass: BAK4Magnification: 7xClose Focus: 22'Eye Relief: 27.4 mmObjective Lens: 50 mmExit Pupil: 7.2 mmField of View @ 1000 yds.: 350'Diopter: Right EyeOptical Coating: Fully MulticoatedWaterproof: YesFogproof: Yes (Nitrogen CO2)Weight: 43.07 oz. Included Accessories: Carrying Case, Lens Covers, Floating Neck Strap, and Lens ClothMfr. Warranty: Limited Lifetime Warranty Rugged heavy-duty design with shockproof rubber-armor covering Built-in internal rangefinder & directional compass reticle Waterproof & fogproof with fully multicoated BAK4 prisms | Barska 7x 50mm WP Deep Sea Range Finding Reticle Compass Binocular