• Smooth surface for effortless mount, Made of copper.
• This adapter allows you to use Contax C/Y lens to Nikon Z6 Z7 mount camera body.
• Full manual operation, manual focus, infinity focus allowed.
• Red dot identification, precise alignment, easy to install and disassemble.
• If your camera indicated "lens is not properly installed", please modify the camera menu settings. Usually called the release the shutter the lens is not installed", you can modify the settings to allow. Specifically refer to the camera manual.