XSP-6CA Binocular biological microscope can be widely used in biology, bacteriology, research organizations, pharmaceutical ... objective lens 1600 pairs of light2180.00XSP-6CA Binocular biological microscope can be widely used in biology, bacteriology, research organizations, pharmaceutical ... scope of35mmPrecision0.002mm;Built-in brightness continuously adjustable6V/20WHalogen. Lab Microscope XSP-6CA