Binoculars 20X50 High-Power High-Definition Night Vision Mirrors BAK4 Prism Binoculars for Adults Bird Watching Football Safari Sightseeing Climbing Hiking Hunting - JIEZM, JXL8WYJ467

• BAK4 prism: The BAK4 floor mirror with high refractive index is used. The prism plays a very important role in the optical structure. Large objective lens is more comfortable: the larger the objective lens, the more light enters, the sharper and brighter the image, the higher the viewing comfort, the wider the observation range, and wearing glasses will not affect the viewing 50mm large objective lens: Generally, the larger the aperture of the telescope, the better, especially in the case of strong contrast between light and dark, morning and twilight, etc. The larger the aperture, the higher the light input, and the brighter the image will be. Wide application: night vision binoculars are very suitable for reconnaissance, camping, exploration, outdoor adventure and night navigation, fishing, wildlife observation. The metal lens body is durable: it makes the telescope more sturdy and durable. Compared with the plastic lens body, the metal lens body has the advantages of not easy to deform and comfortable, and has a great texture.