Nikon Plan Fluor 20x /0.5 Ph1 DLL Phase Contrast Eclipse Microscope Objective. In excellent, as new optical and. Made for the Eclipse and I Series Nikon microscopes. M25 / Infinity corrected / CFI lens. Fluor objectives provide very high color correction. Sharpness, resolution and numerical aperture. Very close to apochromatic objectives. _gsrx_vers_1233 GS 8.1.1 (1233). The item "Nikon Plan Fluor 20x /0.5 Ph1 DLL Phase Contrast Eclipse Microscope Objective" is in sale since Sunday, July 12, 2020. 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.