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
Olympus MMF-1 & MF-2 Adapters for E-P1 | Oliver Wu | Flickr
Olympus MMF-3 Adapter Adapts Micro Four Thirds cameras for standard Four Thirds lenses at Crutchfield
MMF-1 Auto Focus 4/3 lens to Micro 4/3 M4/3 lens adapter ring for Olympus Panasonic gh4 em1 em5 em10 GF1 gf6 camera - AliExpress Consumer Electronics