| Country Of Origin | China |
| Brand | FotoHigh |
| Model | RMS extension tube 5mm |
| Material | Full Metal |
| MPN | RMS-5MM |
Increase an Objective's Parfocal Length by 5 mm per Extender. Microscope objective RMS thread Extension Tube Spacer adapter 5mm. adapter (made of aluminum, anodized black) to use RMS thread (.8"X 36tpi) objectives.