Rainbowimaging Adjustable M42 42mm Screw Mount Lenses to CANON EOS M EF-M Mount Camera Adapter Solid metal mount lens adapter allows M42 42mm Screw Mount Lens to fit on Nikkor Z Mount Mirrorless Camera Adapter, fits Z6 Z7 Infinity remains unchanged, so the lens does not need to be re-collimated or shimmed. Automatic diaphragm, auto-focusing, or any other functions will not operated with using this adapter There is no electrical contacts in the adapter ring. Exposure and focus has to be adjusted manually. Fits Nikon Z Series Mirrorless Cameras, Z6 Z7