... images captured by the DIGITAL PEN CAMERA on the computer screen, store them on the computer, print them, or send them ... to early detection and treatment of illnesses. As a USB microscope, it can magnify stamps, coins, antiques, insects, electric circuits, machines ... . Focal distance: 10mm -8. Magnification: 200×.(at 10mm on 17 screen by 640 x 480 resolution) Dimension: 145mm (length) * 12mm (Diameter ...