... It is featured for sharp image,wide field of view,uniform illumination,adjustable brightness and easy operation, the essential instrument for ... 66X,1X,1.5X,2.5XTotal magnification: 2.9X--21.7XLinear field: 11mm-84mmBeamsplitter: 50:50Demonstrator: total magnification 2.1X--16.4XTV ... when it is usedFiber-optic cable: 1300mmStand: column height adjustable fitted on the round base with 3 jaws. Optical ...