0.3X Microscope Auxiliary Objective Lens(Working Distance 287 mm)
0.5X Microscope Auxiliary Objective Lens(Working Distance 165 mm)
0.7X Microscope Auxiliary Objective Lens(Working Distance 120 mm)
0.75X Microscope Auxiliary Objective Lens(Working Distance 120 mm)
1.0X Microscope Auxiliary Objective Lens(Protection function)
1.5X Microscope Auxiliary Objective Lens(Working Distance 45 mm)
2.0X Microscope Auxiliary Objective Lens(Working Distance 30 mm)

For Binocular Trinocular Microscope 1-7/8 inch (48mm) Mounting Thread