This elegant reproduction of an authentic brass, functioning portable field microscope will be the highlight of any room, classroom, or desktop. Made of solid polished brass with a 4x lens. 6 34 solid polished brass telescope body with 2 78 diameter base Smooth functioning, adjustable 4x focus ring brings objects into clarity Completely collapsed size 5 12, fully extended length 6 34 Perfect for a teachers classroom, theater prop, elegant office, den, library or accompanying other scientific decor. Not for scientific use.