1X/2X Achromatic Bio-microscope Objective Lens Infinity Standard RMS 20.2 Thread

Standard RMS Thread Achromatic Objective Lens Accessory Silver Copper RMS Lens

High Quality Achromatic Microscope Objective Lens with Standard RMS Thread

High Quality Microscope Achromatic Objective Lens with Precision Copper Core

Standard RMS Thread Achromatic Objective Lens Accessory Silver Copper RMS Lens

Precision Copper Core Achromatic Microscope Objective Lens 195X Magnification

Precision Copper Core Achromatic Microscope Objective Lens for Biological Use