Olympus 45mm LBT-N Microscope Filter

Olympus CK2 Inverted Microscope Filter Holder Receptacle 45mm

OLYMPUS MICROSCOPE NEUTRAL DENSITY FILTER N.D.6 ,DIA.45 MM,EXCELLENT CONDITION

Olympus Microscope U-ND25 Neutral Density 25% Filter

Olympus BX51 Microscope 45mm Filter Slider ND6, ND25, LBD, OP Replacement 34364

Olympus Microscope Daylight Blue Filter DB-80 45mm

Olympus 45mm ND50 Microscope Filter

Olympus Microscope Drop-in Lens Filter LB-45 Blue 45mm Diameter.