Metabones Canon EF to EOS M T Speed Booster ULTRA 0.71x (MB_SPEF-EFM-BT1)

This T Speed Booster Ultra 0.71x Adapter from Metabones allows a full-frame Canon EF-mount lens to be used on a Canon EF-M mount camera. The adapter's optics help to maximize the connected lens's apparent angle of view while providing a one-stop increase for the camera over the lens's aperture range.