Novoflex Pentax K Lens to Canon RF-Mount Camera Adapter
How to adapt Pentax K lenses to Canon EOS DSLRs - YouTube
Rayqual Pentax M42 Lens to Canon EOS Camera Body Lens Adapter: shop.CameraQuest.com
Urth Pentax K to Canon RF Lens Mount Adapter | Urth US
Fotasy Pentax P110 Lens to Canon EF-M Mount Adapter, P110 EOS M Adapter, Compatible with Pentax 110 Lens and Canon EOS M Mount Mirrorless Camera M1 M2 M3 M5 M6 M6II M10