1,With a width of 65mm field of view, 5X-20X stepless continuous zoom, without any restrictions, you can choose to operate on any multiple, depth of field 5mm-40mm. 2, With the light path binocular assistant mirror, 5X-20X stepless continuous zoom. 3, The microscope uses two sets of light source conversion, can achieve uninterrupted surgical lighting. The bulbs are all imported from Germany, and the illuminance of the surface is more than 80,000LX. The coaxial illumination, high brightness and strong penetration.