Use the 20:1 zoom range to go from largest overview into the smallest details. All optical components deliver brilliant threedimensional images with exceptional depth perception. Precisely choose your optimal magnification or move to user-defined zoom positions with eZoom. Refind your magnification with an accuracy of more than 99 percent! The external touch panel SYCOP controls all essential functions of SteREO Discovery.V20: magnification, focus, contrast, brightness and more.