The Leica 40390 Monocular is ideal for outdoor use. This monocular is small and compact, but delivers 8x magnification so that you don’t miss anything far away. Moreover, the monocular is nitrogen-filled, so that you need not worry about clarity even in the most wettest and foggiest of weather. So, the next time you head out to observe wildlife, hunt, or vacation, don’t forget the Leica 40390 Monocular for an experience like none other.