FMC lens coating: It is the double-sided broadband coating with ultra-high light transmittance, the key to the clarity of the telescope.<br
Super Clear :The 16x52 monocular offers an 16x magnification and a 52mm objective diameter The viewing filed: 92M/8000M.<br
Use Waterproof Design :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.<br