UltraDome 2" diameter solid acrylic dome magnifier offers optical clarity by gathering light. Glides effortlessly across most any surface for ease of use. View magnified objects from any distance. Multiple people can view the subject at the same time. Can be used for viewing maps, charts, fine print, stamps, coins, photographs, and even X-rays. 4X power. UltraOptix UL-DM2P dome magnifying loupe.