Comparison Microscope may observe the images of both the left and right objects through the same eyepiece and make a comparison between two objects in macro and imcro by the overlapping and cutting methods.

　　So this microscope is suitable to be used for forensic science (by comparison with the truck of bullet,shell case and tool trace and prints,etc.)It's also provided to these departments such as bank,tax,print,coinage,archaeology and electric,etc.