Olympus A 4 / 0.10 160/- Microscope Objective Lens Achromat 4x Tested Japan

Olympus E A4 4x 0.10 Microscope Objective Lens 160/- Made in Japan

Olympus E 4 A4 0.10 160/~ Microscope Objective Lens for Olympus Microscope

Olympus Microscope Objective Set w/ Turret Nosepiece 4x 10x 40x 100x Oil Japan

OLYMPUS PlanC 4x / 0.10 ∞/- Microscope Objective Lens Tested Clear Optics Japan

Olympus Plan N 4x/0.10 ∞/- RMS Microscope Objective Lens

Olympus A 4 A4 0.10 160/~ Microscope Objective Lens for Olympus Microscope

Olympus SPlan 4x/0.10 Microscope Objective RMS 160/0.17 – Clean & Tested