Metabones Canon EF to Micro 4/3 Speed Booster - $30/Day

This adapter allows for EF mount lens to be mounted on Micro 4/3 camera body. This adapter also increases maximum aperture by 1 stop, and decreases the crop factor by almost 30%.

- Increase maximum aperture by 1 stop
- Increase MTF of any lens attached
- Makes lens 0.71x wider
- Patented 5-element/4-group optical design