Olympus Microscope Plan 40x/0.65 Objective
20mm thread diameter
Objective has been tested and produces a good image.
Some items may have minor cosmetic wear from use, see last 2 pictures as examples.
Olympus model microscopes: Fits all Olympus BX40, BX41, BX45, BX61, BX50, BX51, BX43, BX53, and BX63 series microscopes.