Leitz LL 20X Infinity Corrected Microscope Objective Lens (ELWD). Part # 569216 Excellent tested optics. This lens is similar to the Nikon M Plan ELWD 20X. It has a generous working distance of approximately 11mm.This item is in the category "Business & Industrial\Healthcare, Lab & Dental\Medical/Lab Equipment Attachments & Accessories\Microscope Parts & Accessories\Microscope Objectives". The seller is "clamebake99" and is located in this country: US. This item can be shipped to United States.