These Eschenbach prism monoculars can be used in a variety of ways:-First, as a hand-held telescope to detect details at a distance such as street names, house numbers, or road signs. -Second, as a hand-held microscope for close-up (short focus) viewing -Third, as a stand microscope of up to 25x 2 AA Batteries are Included. The Aspheric Achromatic Glass lens is multi coated. Lens Type is Keplerian w/ 8 X Magnification. Lens Size is 32mm, Focal length is 70cm+, Visual field is 8 Degrees. Comes with Magnifier stand and Leather case that includes belt loop. Mount is brushed metal with rubber grip.