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Sony A7iii + Sigma MC-11 Lens Adapter Review - Extremely affordable and better than Metabones?! - YouTube
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Amazon.com : Sigma MC-11 Mount Converter/Lens Adapter (Sigma//Canon EF-Mount Lenses to Sony E) with 32GB Ultra SDHC UHS-I Memory Card and Accessory Bundle : Electronics
Sigma MC-11 is excellent for photo AF-C including eye AF, but pathetic for AF-S/DMF/Video AF: Sony Alpha Full Frame E-mount Talk Forum: Digital Photography Review
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