MB_SPEF-E-BT4 Metabones Canon EF a Sony E-Mount T Speed Booster ULTRA II 0.71
Metabones®
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Amazon.com : Canon EF to Sony E-Mount Speed Booster, VILTROX EF-EII 0.71x Lens Mount Adapter for Sony e Mount Camera zv1 a6000 a6400 a6500 : Electronics
VILTROX EF-E II Auto Focus 0.71x Focal Reducer Speed Booster Lens Adattatore con CDAF/