From Metabones, this Speed Booster adapts full-frame EF-mount lenses to MFT (Micro Four-Thirds) mount, adding an optical element and reducing focal length by a factor of 0.64x, while adding an extra stop of light.
From Metabones, this Speed Booster adapts full-frame EF-mount lenses to MFT (Micro Four-Thirds) mount, adding an optical element and reducing focal length by a factor of 0.64x, while adding an extra stop of light.
