AmScope 4X Achromatic Microscope Objective

Biological Microscope Plan Achromatic Objective Lens 4X-100X RMS Thread 195mm

AmScope 4X Plan Achromatic Compound Microscope Objective Lens

4X Achromatic Objective Lens 195 RMS 20.2mm Thread For Biological Microscope Dry

AmScope 4X Plan Achromatic Objective Lens with Knurled Ring

AmScope PA4X-INF 4X Infinity Plan Achromatic Microscope Objective

Achromatic Microscope Objective 4X Lens 20.2mm Interface Thread Standard RMS