Feature:1. The lens mount adapter is suitable for Nikon AI mount lens to mount for Nikon Z mount camera body.2. Made of aluminum alloy CNC integrated molding process, strong and durable.3. The inner wall is treated with extinction to avoid the influence of reflection on imaging.4. Precise mount, almost the same as native mount, precise fit.5. Auto iris (auto metering) or other automatic functions cannot be retained with this adapter.Specification:Condition: 100% brand newItem type: Lens Adapter RingMaterial: aluminium alloyColor: blackWeight: Approx. 107g Type: Manual adapter ringApplicable lens: for Nikon AI mount lensApplicable camera: for Nikon Z-mount body, such for Nikon Z5/Z6/Z7/Z50.Package List:1 xLens Adapter RingNote:1. Enable "Release shutter without lens to use for MF lens with adapter.2. If your camera indicates "The lens is not installed correctly", please modify the camera menu settings. Its usually called releasing the shutter without a lens. You can change the setting to allow.