See things 16X closer- and Get Clearer and Brighter with 52MM Objective lens and 18.5mm eye lens-.The larger the objective- lens, the more light- that enters the binocular, and the brighter the image- It will show you a clearer and farther view, good for bird watching, hunting, hiking, or sightseeing etc Super Clear-, The fully coated optics, meanwhile, ensure superior light transmission and brightness, helping you see just about any target, whether you are searching for birds or trying to get a better view- of the stage The mirror is full of the high-purity nitrogen, waterproof and antifogging. You can use it in raining day and humid environment, and have no need to worry about this item The high-power monocular is only 190mm high, super compact- and enough to put into the pocket, convenient to carry for everywhere. Wide field of view 66M/ 8000M