Long Working Distance Flat field Achr. Omatic Objective Lens for Metallurgical Microsco. 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. Please contact me before you return it.
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The seller is "cnoptics" and is located in this country: CN. This item can be shipped worldwide.