[ Professional Powerful Binoculars ] 20x50 Binoculars Designed with 20X power magnification, 50mm large objective lens, and 367ft/1000yds large field of view are ideal for fast-moving subjects such as bird watching, driving, sports events.[ High Quality Optics & Clear Night Vision ] This compact binoculars uses the HD BAK4 FMC Lens, design of Aspherical lenses and multi-layer coating guarantee excellent light transmission and well improve image brightness, contrast, and quality. It can be used at night, but not in complete darkness. Perfect for Hunting or Concerts at night.[ Durable, Solid & Anti-slip ] O-ring sealed optics with fog-proof coating and a waterproof body with odorless rubber armor make these binoculars durable and shock-resistant, providing a firm, comfortable grip and suitable for outdoor activities like climbing, hiking, and wildlife watching.[ Easy to Focus ] The corrective optical coating and diopter system minimize distortion and improve color fidelity, while the smooth center focus knob makes it easy to operate and adapt to a tripod for stable viewing.