| Brand | Unbranded |
| Theory | Biological Microscope |
| Drawtube | Trinocular |
| Package List | 1pc |
| Material | Metal |
| Features | PORTABLE |
| Model Number | M27-M25 Adapter Ring |
M27: M27 0.75mm. M27 0.75 is for Zeiss microscope objective lens thread size. If you need to connect Objective lens to Nikon Leica Zeiss microscope each other, due to different thread size, then you will need an adapter ring.