VILTROX EF-M2 II Auto Focus MFT 0.71x Reducer Speed Booster Lens Adapter for Canon EF Mount Lens to Micro Four Thirds M4/3 Camera Panasonic GH4 GH5 GH5S GF6 GX85 GX7 Olympus E-M5 E-M10 E-PL5
EF-R3 Pro 0.71x Reducer Speed Booster Lens Mount Adapter with Fixed Plate for Canon EF Lens to Canon Camera EOS R R5 R6 RP C70 Red Komod Camera,Idea for Large Lens
NEEWER EF-EOS M Lens Mount Adapter 0.71x Autofocus Speed Booster Compatible with Canon EF Lens to EOS M Series Camera EOS M M2 M3 M5 M6 M10 M50 M100 M200 and More
VILTROX EF-E II Auto Focus Lens Adapter 0.71x Focal Length Reducer Speed Booster for Canon EF Lens to Sony E Mount Camera A7 A9 A7R A7R2 A7R3 A7M2 A7M3 A7S A7S2 A5100 A6000 A6300 A6400 A6500