Amazon.com : Fotasy Cannon FD Mount Lens to EF-M Mount Adapter, FD EFM Adapter, FD EOS M Adapter, Compatible with Canon EF M Mount Mirrorless Cameras EOS M M1 M2 M3 M5
Amazon.com : Fotodiox PRO Lens Mount Adapter - Compatible with Canon FD & FL 35mm SLR Lenses to Canon EOS (EF, EF-S) Mount D/SLR Cameras : Canon Ef To Fd Adapter :
Amazon.com : Fotasy FD Mount Lens to Cannon EOS RF Mount Adapter, FD EOS R Adapter, FD RF, FD FL Classic Manual Lense Adapter, Compatible with Canon EOS R Mirrorless Camera EOS