In excellent optical condition, with some label. Wear on the barrel, as pictured. Intended for Nikon, also usable with. Other infinity microscopes from Zeiss. M27 threads or thread adapters.The item "Nikon CF Plan 20x BD DIC Metallurgical Microscope Objective" is in sale since Tuesday, August 29, 2017. This item is in the category "Business & Industrial\Healthcare, Lab & Dental\Medical/Lab Equipment Attachments & Accessories\Microscope Parts & Accessories\Microscope Objectives". The seller is "josedm1" and is located in Yakima, Washington. This item can be shipped worldwide.