Ejoyous 40x Achromatic Objective Lens, 40x 185 160/0.17 Microscope Objectives Aluminum Alloy Biological Microscope Magnifier Objective Lens Replacement parts Increase Contrast

40x Achromatic Objective Lens, 40x 185 160/0.17 Microscope Objectives Aluminum Alloy Biological Microscope Magnifier Objective Lens Replacement parts Increase Contrast

HUAREW 50 Pcs Pre-Cleaned Microscope Slides And 100 Pcs Ground Edge Pre-Cleaned Microscope Cover Glasses With 4 Plastic Droppers

10X 185 Achromatic Objectives for Biological Microscope, Achromatic Objectives Lens 160/0.17