... metallurgical microscope ,imaging clearly, wide field of vision J-300,The whole design accord with man-computer function, suitable ... mechanical move stage,(Size:130x130mm,Movingrange:50x30mm)7)Focus system:Coaxial coarse /fine focus system,with tensional adjustable by hands , ... Illumination:Halogen Lamp,6V/20W,brightness adjustable10)Power:transformer,220V J-300 Inverted metallurgical microscope