Amscope Sm-1Bnz-144A Professional Binocular Stereo Zoom Microscope, Wh10X Eyepieces, 3.5X-90X Magnification, 0.7X-4.5X Zoom Objective, 144-Bulb Led Ring Light, Pillar Stand, 110V-240V, Includes 0.5X And 2.0X Barlow Lenses