Fisher Scientific 20X/0.40 160/0.17 Phase 20 DM Microscope Objective

Olympus A 20PL 0.40, 160 / 0.17 T6 Phase Contrast Microscope Objective - BH, CH

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

Fisher Scientific PL 20 /0.40 Microscope Objective 160/0.17 PHP

ausJENA Planachromat 20/0.40 160/0.17 Microscope Objective 463 564

Fisher Phase Contrast 40x Microscope Objective Lens 160mm 0.65 Japan

OLYMPUS SPlan 20 Microscope Objective Lens 0.46 160/0.17

Fisher Scientific Microscope Objective Lens PL 40/0.65 160/0.17