Swift S41-20 Professional Dissecting Binocular Stereo Microscope, WF10x WF20x Eyepieces, 10X 20X Magnification, 1X Objective, LED Lighting, Boom-Arm Stand. MAGNIFICATION: The interchangeable pairs of WF10X and WF20X eyepieces combine with the 1X objective to provide 10X and 20X magnification.
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