Nikon Microscope Objective 40x Ph2 DL Phase Contrast

Nikon LWD 40X/0.55 Ph2 DL ∞/0-2 WD 2.1 Phase Contrast Microscope Objective Lens

Nikon Ph3 DL 40x SC Microscope Objective Lens SC Model Dark Low Phase Contrast

Nikon Plan 40x 0.65 Ph2 DL ∞/0.17 WD 0.56 Microscope Objective Phase Contrast

Nikon Ph3 40 DL 0.55 LWD 160/0-2 Phase Contrast Hoffman Microscope Objective 40x

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