Achromatic Objective Lens
195 Achromatic Objective Lens
Standard 40X/ 0.65, 160/ 0.17             
conjugate distance: 195
Mounting Size: 20mm thread

 Biological microscope
185 Achromatic Objective Lens
Standard S40X/ 0.65, 160/ 0.17
conjugate distance: 185  
Mounting Size: 20mm thread

 Achromatic Objective Lens
195 Achromatic Objective Lens
Standard 40X/ 0.65, 160/ 0.17             
conjugate distance: 195
Mounting Size: 20mm thread

 Achromatic Objective Lens
185 Achromatic Objective Lens
Standard:  100x/ 0.10, 160/ 0.17
conjugate distance: 185
Mounting Size: 20.2mm thread