<ul> <li>Front side - M65x1 female thread and M52x0.75 female thread</li> <li>Rear side - Nikon Z mount</li> </ul> <p>This adapter allows using M65 focusing helicoids on cameras with Nikon Z mount.</p> <p>Additional M52x0.75 female thread allows using easily available screw-in 52mm filters in the adapter instead of a lens front.</p> <p>Machined of high quality aluminium alloy.</p>