AmScope SM-8TZZ-FOR-10M Digital Professional Trinocular Stereo Zoom Microscope Fiber-Optic Ring Light 110V-240V Articulating-Arm Boom Stand 0.7X-4.5X Zoom Objective Includes 0.5x and 2.0x Barlow Lens 3.5X-180X Magnification WH10x and WH20x Eyepieces