Fisher Zeiss Nikon Inverted Microscope 20X LWD Phase Contrast Objective

Model: 20X LWD PhaseModified Item: NoCountry/Region of Manufacture: ChinaMPN: Does Not ApplyBrand: FisherIntended Use/Discipline: Biological LaboratoryFisher  20X Long Working Distance  Phase Contrast ObjectiveFor  Inverted Phase Contrast  RMS thread Microscopes 0.4 N.A.  Infinity with internal phase ring 1.5 MM working Distance New RMS thread Works with inverted models Axiovert, 10,100,135,25,40,  Nikon Diaphot TMD,TMS, 200,300,  Olympus IMT-2,CK2,CK40,  RMS Amscope inverted    Microscopes equipped with 0.4 N.A. Phase  annulus