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10X 195 Achromatic Objective Lens RMS 20.2mm for Biological Microscope

4X 195 Plan Achromatic Objective Lens RMS 20.2mm for Biological Microscope

195 Plan Achromatic Microscope Objective Lens 4X RMS 20.2mm Biological Lab

4X 195 Achromatic Objective Lens RMS 20.2mm for Biological Microscope