Amazon.com : Fotasy Adjustable M42 Lens to Nikkor Z Mount Adapter, M42 Z Mount, fits M42 42mm Screw Mount Helios Lense, Compatible with Nikon Z Mount Mirrorless Camera Z30 Z50 Z5 Z6
Amazon.com : HELIOS-44-2 58mm F2 SLR Lens lente Bayonet Canon - EOS for Canon : Electronics