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 Lens Mount Adapter - Compatible with Canon FD & FL 35mm SLR Lenses to Canon EOS M (EF-M) Mount Mirrorless Cameras : Electronics
Amazon.com : Fotodiox Pro Lens Mount Adapter, Canon FD, FL Lens to Pentax K (PK) DSLRs Camera, FD-PK Pro : Canon Fd To Pentax Adaptor : Electronics
Amazon.com : Fotodiox Lens Mount Adapter - Canon FD, New FD, FL Lens to Sony Alpha (aka Minolta AF A-type, Maxxum or Dynax) Camera, fits Sony A100, A200, A230, A290, A300, A330,