Use to attach Canon EF lenses to Sony E mount cameras.

Features a positive-locking EF mount that firmly lock the lens in place to prevent any movement of the lens when focusing, which is particularly useful when using a remote focus or follow focus system. Like all Metabones Speed Boosters, this adapter is optimised to fully account for the camera’s filter stack located near the sensor surface. This is especially critical at the extremely large apertures made possible by Speed Booster technology. As a result of this careful optimisation, an enormous range of full-frame optics ranging from vintage film lenses to the latest digital designs will function flawlessly when adapted to Sony E-mount cameras.