This 16x52 Dual Focus Monocular comes with multi-characteristics, such as, Dual Focusing, which can look the much longer distance and more distinct. It provides you clear viewing of long distance objects (98 -800 meters), and close focus distance of 5 meters. BAK4 roof prism, and 52mm objective lens, gives 99.5 percent light transmittance and imaging. Excellent in low light conditions. Optical Coated Lens with film, to balance light transmission. Water resistant housing, but please dont use this monocular in heavy rain. The main part of the mirror body is metal material, and the outside is the high quality flexible rubber. Rubber Armored for rugged field use. Durable carry bag included to protect the monocular, and is convenient to carry. With lanyard, makes this monocular convenient to use, and to protect from dropping while using. Night vision specific on monocular does not mean the monocular can be used in the dark. Night vision design, to aid viewing of targets / objects even when there is little light around the objects. You will love it! Buy it today! You cant miss it!