Metabones SpeedBooster Canon EF to e-mount lens adapter
$45.00
enables the use of the newer style Canon EF / EOS lenses on the FS7/FS700/100 and A7 cameras
– Increases maximum aperture by 1stop (f2.8 becomes f2)
– Increases MTF
– Makes lens 0.71x wider (50mm becomes 35mm)
– True electronic integration of aperture diaphragm – let camera automatically choose aperture in P or S exposure modes, or dial in yourself on the camera body in A or M modes.
– Powered by camera body. No external power source required.
– Wide open button (opposite of depth-of-field preview function) makes manual focusing easy