M52x0.75 male to M30x0.75 female thread adapter (52mm to 30mm step-down ring)
Allows using microscope objectives with M30x0.75 mount thread in front of lenses with M52x0.75 filter thread.
Made of high quality aluminium alloy.
|Adapter Front Side||M30x0.75|
|Adapter Rear Side||M52x0.75|
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