| Size | 3mm |
|---|---|
| Country/Region of Manufacture | China |
| Brand | PROscope |
Check the listing for details. Microscope Objective RMS Extender Spacer Parfocal 3 5mm 7mm 10mm 12mm 15mm 18mm. Condition: New. Listed at 9.89 USD. Increase an Objective's Parfocal Length by 3mm,5mm,7mm,10mm,12mm,15mm,18mm per Extender. adapter (made of aluminum, anodized black) to use RMS thread (.8"X 36tpi) objectives.