1. The 10x50 binoculars are equipped with BAK4 prisms for bright and clear imaging. The green anti-reflective coating reduces reflected light from the objective lens, improving light transmittance, image brightness and clarity. 2. The left and right eyepieces can adjust the focal length according to the different visual needs of the left and right eyes; the eyepiece cover can be quickly folded for easy operation when wearing glasses; the non-slip rubber sheath absorbs impact and ensures a stable grip. 3. Binoculars: The inner surface of the lens is filled with nitrogen and demolded after atomization. It can be used in extremely harsh conditions such as rainy days and high humidity. The telescope also provides optimal image brightness in low-light conditions such as dusk. 4. Superior quality and clear vision are usually accompanied by binoculars that cost two to three times more. Full-size binoculars for professional users Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store