... first service with best LZJ-6E dental and ENT operating microscope with 1, the primary mirror, the optical tube hinge ... , two 15V / 150W halogen lamp can quickly switch8, the manual focus 20mm fine-tuning9, built with orange and green filter10 ... 50Hz or 110V/60Hz...Optional splitter, single head teaching microscope, binocular assistant microscope, internal or external camera and interface, and digital ...