1Made of high quality aluminum and plastic, durable in use. 2This adapter gives you the ability to use your irreplaceable prime lens and saves you the cost of purchasing new lenses. 3Excellent manufacturing, perfect fit with the camera. 4Diaphragm control of the lens is set manually. 5Suitable for Leica R mount lens and Z mount for Nikon camera Z6 Z7.Features:Made of high quality aluminum and plastic, durable in use. This adapter gives you the ability to use your irreplaceable prime lens and saves you the cost of purchasing new lenses. Excellent manufacturing, perfect fit with the camera. Allows focus infinity, clear picture quality. Diaphragm control of the lens is set manually. Suitable forLeica Rmount lensand Z mount for Nikon camera Z6 Z7. Specification:Material: Aluminum & PlasticWeight: 104g/3.7ozSettings:Put red marks of the adapter and lens collar together.Turn the adapter clockwise till the fixative click.Mostly it will use Manual or Av mode.Removing:To remove the adapter you should unpress fixative pin and turn the adapter clockwise.Package List:1 x Lens MountNote:1. Please switch both shooting mode and focusing mode to M (manual) before use.2. Although the lens is suitable for physical, auto aperture, auto focus or any other function, it will not work properly with this adapter.In this case "Stop-down mode" will need to be used when metering since the lens doesn't have the ability to have its aperture controlled by camera body. You can shoot with manual mode or aperture priority mode. Set your camera to "shooting without lens" mode.