Kenko announces adapters for Canon FD and Contax/Yashica mount lenses – Big Street Guns
KIPON Lens Mount Adapter for Contax 645 Lens to CONTAX645-EOS AF
Contax G Lens to Canon EOS M Mount Camera Body Pro Mount Adapter – Fotodiox, Inc. USA
Amazon.co.jp: K&F Concept Mount Adapter C/Y-EOS Contax Yashica Lens to Canon EOS Camera Mount C/Y Lens Adapter "Manufacturer Directly" : Electronics
Fotodiox Contax / Yashica to Canon EOS Adapter with Focus Confirmation Chip | NEFAL.tv Germany
K&F Concept M14194 Contax Yashica Lenses to Canon RF Lens Mount Adapter - KENTFAITH
Metabones®
FotodioX Pro Lens Mount Adapter for Contax/Yashica CY-EOS-PRO
Fotodiox Pro Lens Mount Adapter Contax/Yashica (CY) SLR Lens to Canon EOS (EF, EF-S) Mount (with Generation v10 Focus Confirmation Chip) (CY-EOS-Pro-FC10) - Kamera Express
Amazon.co.jp: KIPON C/Y-EOS Canon EOS/EF Mount Adapter (Contax/Yashica Mount Lens) C/Y-EOS : Electronics
Metabones Contax Yashica CY Lens to Canon RF-Mount T CINE Adapter for EOS R MB_CY-EFR-BT1