Amazon.com : Olympus MMF-3 4/3 Adapter Ring : Camera Lens Adapters : Electronics
Olympus MMF-3 4/3-adapter - Kenmerken - Tweakers
Olympus Adapter MMF-3 4/3 Mount Lens To Micro Four Thirds Body at KEH Camera
Amazon.com : FocusFoto Electronic AF Auto Focus Adapter Ring for Four Thirds 4/3 lens to Olympus PEN Panas0nic Lumix Micro Four Thirds (MFT, M4/3) Mount Mirrorless Camera Body as DMW-MA1 MMF-1 MMF-2