| Bs | 40 |
|---|---|
| Brand | Unbranded |
| Country of Origin | China |
Check the listing for details. Compact 4X 10X 40X 100X Microscope Objective Lens Achromatic Objective Lab Parts. Condition: New, Made in China. Listed at 6.84 USD. Features : Type:Microscope achromatic Objective lens Magnification: 4X/10X/40X/100X Mounting size :20.2mm Standard RMS thread Material:Precision metal core Tube length : 160mm standard thickness of cover glass 0.17mm for Biological microscope Detailed information : 4X :Numerical Aperture (NA) 0.1; working distance 18mm 10X: Numerical Aperture (NA) 0.25; working distance 7mm 40X : Numerical Aperture (NA) 0.65;working distance 0.53mm 100X :Numerical Aperture (NA) 1.25 ;working distance 0.13mm