Plan Achromatic Long Working Distance Objective Lens f Metallurgical Microscope. Connecting thread: international standard interface "4/5 inch 1/36 inch", diameter M200.705MM. The external thread diameter is 20mm.
The pitch is 0.705mm. Packing List: 1pc objective lens. Your satisfaction is important to us.
We will try our best to resolve any issue. You can contact me if you have any questions.