Built for portability and performance, this waterproof, fogproof scope offers a variety of features in a compact and affordable design. 50mm objective lens makes scope a natural choice for birders and wildlife watchers. Bak 4 prisms offer excellent light transmission for sharp images. Multicoated optics block out harmful UV rays and increase light transmission by reducing reflected light. Nitrogen filled interior ensures a stable environment for fogproof and waterproof protection. Rubber armor protects binocular from bumps and falls while providing a good grip. Includes lens covers and carrying case.