10x50 Waterproof Marine Binoculars for Adults with Rangefinder Compass BAK4 Prism FMC Lens for Birdwatching Hunting Boating Fishing Water Sports(Green)

High-index BAK4 prism delivers a bright, sharp image to reveal every little detail of an object. Green FMC anti-reflective coating minimizes reflected light in the objective lens and enhances light transmission, image brightness, and image sharpness. The 50mm objective lens and 22mm eyepiece with wide-angle vision combination make viewing distant objects more convenient without eyestrain and dizziness. IPX7 waterproof and fogproof night vision binoculars: Please note: They cannot work in all dark environments. Only in low light conditions, such as at dusk and dawn, can they provide the maximum brightness of the image. Nitrogen-filled waterproof and anti-fog construction. Waterproof rating up to IPX7 (at 1 m depth for about 30 minutes) and floatable. Military surplus binoculars with rangefinder and compass: By using the ruler, you can directly calculate the distance of the object on the left eyepiece. With the illuminated compass, you can identify direction. In low light conditions, the ruler and the compass can be illuminated. The focusing system features a ±5 diopter left and right diopter ring, enabling you to adjust the distance for better viewing without glasses and for fine focusing. Exit pupil diameter: 6.8 mm. Exit pupil distance: 22 mm (long eye relief for eyeglass wearers). The eyecups can be folded easily so you can use them with glasses. Comes with a bag and strap for easy carrying. Durable rubber armored coating is comfortable to hold and tough enough to withstand various conditions. Ideal for travel, concerts, outdoor activities, bird watching, climbing, hunting, archery, hiking, camping, boating, target shooting, and water sports. A perfect gift for birthdays, Christmas, Halloween, and Thanksgiving