VILTROX EF-M2 II Focal Reducer Speed Booster Adapter for Canon EF Mount Series Lens to M43 Camera.

• Compatible with Canon EF full frame lenses
• Separate slider for aperture
• ArcaSwiss compatible tripod foot with 1/4" thread

This adapter from Viltrox is made for the use of Canon EF lenses on M43 cameras from Olympus and Panasonic.

The adapter increases the aperture of the lens by 1 f-stop, while reducing the focal length by 0.71 times the original focal length.