Leitz Wetzlar Germany Microscope Pol 50X 50/0.85 170/0.17 Microscope Objective

Leitz Wetzler NPL 50x/0.75 DF Lens Objective

Leitz Wetzlar NPL Fluotar 50x/0.85 DF Microscope Objective

Leitz Wetzlar NPL Fluotar 50X/1.00 OEL 160/- Oil Microscope Objective

Leitz Leica Wetzlar Germany NPL 20x/0.35 DF Microscope Objective

Leitz Wetzlar NPL 20x /0.35 DF Microscope Objective

Leitz NPL Df 50x 0.85 Microscope Objective Lens Pol

Leitz NPL Fluotar 50x/0.85 DF Microscope Objective