Nikon Ph2 20x DL 0.4 160/0-2 Phase contrast microscope objective

Nikon 20x/0.4 160/1.2 Ph2 DL phase contrast microscope Objective

Nikon Ph2 20x DL 0.4 160/0.17 phase contrast microscope objective

Nikon 20X/0.4 DL Ph2 Phase Contrast Microscope Objective Lens 160mm

Nikon E Plan 20X/0.4 DL Ph2 Phase Contrast Objective Lens 160/0.17

Nikon E Plan 20X/0.4 DL Ph2 Phase Contrast Microscope Objective Lens 160mm

Nikon Ph2 20x DL Microscope Objective Lens Phase Contrast 160mm

Nikon 20X/0.4 DL Ph2 Phase Contrast w/ Correction Contrast Microscope Objective