Nikon Plan 20x Hoffman Modulation Eclipse Microscope Objective. Nikon Plan 20x Hoffman Modulation Objective. For the Eclipse or I Series Nikon Microscopes.In excellent optical and cosmetic conditions. The item "Nikon Plan 20x Hoffman Modulation Eclipse Microscope Objective" is in sale since Tuesday, February 17, 2015. 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.