Check out my other items. 0.75 NA, /0.17 WD 1.0. The item "Nikon PLAN APO 20X Microscope Objective DIC N2 0.75 NA /0.17 WD 1.0" is in sale since Saturday, March 13, 2021. This item is in the category "Business & Industrial\Healthcare, Lab & Dental\Medical/Lab Equipment Attachments & Accessories\Microscope Parts & Accessories\Microscope Objectives".The seller is "scispec1959" and is located in Chicago, Illinois. This item can be shipped worldwide.