Viewing device is enlargied to simple and easy insect

The utility model relates to a viewing device is enlargied to simple and easy insect, at a barrel upper end opening part meshing installation upper cover, a coaxial trompil is made at this upper cover middle part, inlays between the upper cover of this trompil side and the barrel up end and adorns lens, inlays the bead of dress lens both sides and bottom making in the three slot respectively, and the bottom surface of base is meshed and is installed a bottom. The utility model discloses in, go up cylinder bottom and all stretch into in the extension section of thick bamboo on the barrel down, the purpose is the lens in order to adapt to different the magnification, and can insert or take out lens in the base slot, bottom inner edge at the base lower extreme sets up at least one LED lamp that is used for the illumination simultaneously, the battery of this LED lamp in by the bottom is supplied power, through mutually supporting of above -mentioned each structure, can carry out careful observation to equidimens