Used Sigma MC-11 Adapter - Canon EF to Sony E Fit | MPB
Sigma Mount Converter MC-11 Review | PCMag
Sigma MC-11 Mount Converter/Lens Adapter Canon EF-Mount Lenses to Sony E with 32GB Ultra SDHC UHS-I Memory Card and Accessory Bundle : Electronics - Amazon.com
Amazon.com: Sigma MC-11 Mount Converter/Lens Adapter Canon EF-Mount Lenses to Sony E with 32GB Ultra SDHC UHS-I Memory Card and Accessory Bundle : Electronics