Lens are perfect, no fungus, no scratches or impacts. Only one scratch on the barrel. Working distance 7mm (very good for extreme macro photography). Depth of Focus (DOF): 0.00344mm.The item "Microscope Objective Olympus LWD MSPlan 20x / 0.40" is in sale since Thursday, February 18, 2021. This item is in the category "Photo, caméscopes\Objectifs, filtres\Objectifs". The seller is "ebonino" and is located in Liège. This item can be shipped worldwide.