Canon EF Lenses to M43 MFT Mount Camera Adapter
What have you got to lose?
I bought this to mate my Olympus OMD EM1 (Mark1) with my Canon EFS 55-250 and EFS 10-22 lenses. Works well. Gives me a 500mm equivalent on my Micro43 camera (when using the 55-250mm lens). Great $20 investment!