40x60 day & night vision dual-focus hd optics zoom monocular telescope waterproof super clear for outdoor hunting

features: super clear, the fully coated optics, meanwhile, guarantee superior light transmission and brightness, helping you see just about any target, whether you're searching for birds or trying to get a better view of the . see things 40x closer and get clearer and brighter with 60mm objective lens and 16mm eye lens. the larger the objective lens, the more light that enters the monocular, and the brighter the image. built in lens dust cover can prevent lens from dust and make sure you se