... 200yards,ft/m302/92 197/60 118/36 Focus range,yards0.25 to infinity 1.0 to ... tripod positioning, which makes 85 types of innovation in technology greatly, making it easier for users to ... can be applied widely. First, they can be used in low-light conditions, hunting, hiking, fishing, camping, ... activities. Second, they are in the military field but also a wide range of applications, such as coastal ...