Nikon Ph2 20x DL 0.4 160/0-2 Phase contrast microscope objective

Nikon Ph2 20x DL 0.4 160/0.17 phase contrast microscope objective

Nikon E Plan 20X/0.4 DL Ph2 Phase Contrast Objective Lens 160/0.17

Nikon 20x/0.4 160/1.2 Ph2 DL phase contrast microscope Objective

Nikon E Plan 20X/0.4 DL Ph2 Phase Contrast Objective Lens 160/0.17

Nikon Microscope Objective Fluor 20x Ph3DL 0.75 160/0.17

Nikon 20X/0.4 DL Ph2 Phase Contrast w/ Correction Contrast Microscope Objective

Nikon E Plan 100 / 1.25 Oil 160/0.17 Ph4 DL Phase Microscope Contrast Objective