- Adjustable eyepiece focus for left and right eyes to meet individual vision requirements. The foldable eyecup design allows for comfortable use with glasses. The non-slip rubber coating absorbs shocks and ensures a secure grip. - Ideal for a variety of activities including bird watching, astronomy, sightseeing, sports, wildlife observation, and concerts. This waterproof binocular is perfect for adults and offers high performance for serious enthusiasts, while also being compact enough for younger users. - Exceptional image quality and clarity comparable to binoculars that cost twice or three times as much. Full-size binoculars designed for serious users. - The 10x50 binocular features a BAK4 prism for bright, clear images. The green anti-reflective coating minimizes light reflection in the lens, enhancing light transmission, image brightness, and sharpness. Use Cases: 1. Bird Watching: Experience vibrant details and colors of birds in their natural habitat, even from a distance. 2. Stargazing: Enjoy crisp views of celestial bodies with enhanced clarity and brightness. 3. Sporting Events: Catch every moment of the action with a wide field of view and stable performance.