The PENTAX VD 4X20 WP are multi-featured binoculars with a unique three-in-one design. As conventional binoculars, they deliver a solid, magnified view of the subject. In addition, they feature the world’s first detachable design*, which allows the user to separate the two barrels in order to use them independently or jointly. Separating the barrels lets the PENTAX VD 4X20 WP function as two independent monoculars that can be shared by two observers. Or, by connecting the barrels inline, it functions as a high-power telescope with 16-times magnification.