3 4 5 Holes Microscope Converter Revolving Nosepiece Objective Lens Adapter

4‑Hole Large Objective Nosepiece 70mm RMS 20.2mm 185/195 Biological Microscope

100 pcs Biological Microscope Objective Converter Dust Cover RMS Thread 20mm

3/4/5 Hole Microscope Objective Nosepiece RMS 20.2mm for 185/195 Microscope

Leica DMLB Microscope 6-Position Nosepiece

NEW 10pcs Biological Microscope Objective Converter Dust Cover RMS Thread 20mm

Nikon Fluor 100x / 1.30 Oil 1.3 0.8 160/0.17 Microscope Objective Lens RMS 34671

35mm Microscope Darkfield Filters - 2pcs