| | Objective Lens Mount, 561 Series | UNIVERSAL | | | | |
| | Microscope Objective Mount, Fixed, A-LINE, 0.800-36 Thread, 8-32 | IMPERIAL | | | | |
| | Objective Lens Holder, RMS, 0.875-20 Thread, For LP-05A Series | UNIVERSAL | | | | |
| | Objective Lens Holder, RMS, 1.438-20 Thread, For LP-1A Series | UNIVERSAL | | | | |
| | Thread Adaptor, 1.0 in. Lens Tubes, 1.035-40 to 0.800-36 RMS Thread | UNIVERSAL | | | | |
| | Objective Lens Mount, Insertable, RMS Thread, Optics Cage Plus | UNIVERSAL | | | | |
| | Objective Lens Adapter, RMS Thread, 1 inch Mount | UNIVERSAL | | | | |
