Metabones Speed Booster "S" Version 0.71x for Canon EF-Mount Lens to MFT Body (MB_SPEF-m43-BM2) with Support Foot at KEH Camera
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Metabones Speed Booster Adapter with Support Foot for Canon EF-Mount Lens to Sony E-Mount (MB_SPEF-E-BM1) at KEH Camera
EDIT: Now with new "Bokeh Circles" tests....An adaptor which claims to make your lens, faster, wider and better! This is NOT an April Fool's! | Philip Bloom- Blog
