3.5X‑90X Trinocular Stereo Zoom Microscope WF10X 20mm Eyepieces

7X To 50X Trinocular Stereo Microscope Confocal WF10X22mm Eyepiece 0.5X 2X Auxiliary Objective Lens

Junior High School Biological Microscope Set - 640x, 1000x, 1600x Magnification for Science Experiments

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2000X 7 Inch Microbial Cell Observation Microscope Electronic Digital Magnifying Glass

10X-120X 180X 300X Zoom C-mounting Lens 0.7X To 4.5X Magnification 25mm

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1.25 Inch 5X Magnification Lens M42 Thread for Astronomical Monocular Telescope Eyepiece

4.3 Inch Screen Visual 1080P 3.9mm 6LED Ear Endoscope Otoscope Ear Spoon Cleaning Tool

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