Nikon Plan 4x/0.10 ∞/- WD 30 Microscope Objective Eclipse 55i

Nikon E Plan 4x/0.10 Microscope Objective Lens ∞/- WD 30

Nikon Plan 4x/0.10 ∞/- WD 30 Microscope Objective

Nikon CFI Plan Achromat 4x 0.10 ∞/- WD 30 Microscope Objective Lens

Nikon E Plan 4X/0.10 ♾/ - WD 30 Microscope Lens Objective MRP70040

Nikon Microscope Objective Lens E Plan 4x/0.10

Nikon E Plan 4X/0.10 ∞/ - WD 30 Microscope Objective A2421290

Nikon CFI Plan Achromat 4x 0.10 ∞/- WD 30 Microscope Objective Lens