10x50 Marine Binoculars for Adults,Binoculars Waterproof with Rangefinder Compass BAK4 Prism FMC Lens Fogproof for Navigation Boating Sports Hunting - All Ages with Harness Strap Black

• 【Marine10x50 Binoculars】This binoculars have a 10x magnification and a 50mm ultra-wide objective lens. Field of view is 396 feet at 1000 yards,with ±5 diopter left and right diopter ring. Rubber fold-down eyecups to meet the needs of various glasses and naked eyes.
• 【BAK4 FMC porro Binoculars】The refractive index of Bak4 is much higher than that of BK7, effectively eliminating internal light loss. FMC has the excellent light transmission, bright field of vision, and true color reproduction. The porro prism system makes the image clear, bright, and more depth-of-field.
• 【Binoculars with Compass】With the built-in compass and scale, you can easily calculate the target distance or target height, in addition, If you do not have enough light to read the compass readings, you can also use the built-in lighting in the binoculars (Free LR936 / AG battery).
• 【Waterproof Binoculars】Binocular come with nitrogen-filled waterproof, fogproof and anti-shake design, So it is suitable for all kinds of extreme weather, and you don't have to worry about it falling into the water, because it will float.
• 【Attached Binoculars with Carrying case and Neck strap】The gift eyepiece cover and objective lens cover will keep your binoculars free of dust. Carrying case and neck strap can let you easily take it for travel, concert outdoor activities, bird watching, mountain climbing, hunting, archery, hiking, camping, boating, target shooting, sailing and so on.

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