The Nikon Plan Apo 100x/1.40 Oil NCG offered here gives great results in Brightfield, Polarized Light and Fluorescence applications. Please mind this is no cover glass version. Optics are in excelent condition. Nothing less and nothing more.I will do my best to answer promptly. The item "Nikon Plan Apo 100x/1.4 Oil NCG Eclipse series Microscope Objective" is in sale since Friday, October 29, 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 "volvooxx" and is located in Poland. This item can be shipped worldwide.