... the optical microscope, with magnification, the same field of view, clear image, strong sense of stereo, depth of field, suitable for ... ,300,350,400 mm40mm focal range of fine focusing speed 1 ~ 2 mm / sMicroscope before and after, left the pitch ... a digital camera interface, 1 / 3 inch CCD camera interface, and dedicated digital cameras, camcorders, video image processing expert system operation. ...