Amazon.com : Haoge Manual Lens Mount Adapter for Olympus Four Thirds 4/3 43 Mirrorless Lens to Olympus and Panasonic Micro Four Thirds MFT M4/3 M43 Mount Camera : Electronics
Amazon.com : K&F Concept Lens Mount Adapter Compatible with Nikon AI Lens to Micro 4/3 Micro Four Thirds Mount Adapter for GF1 GF2 GF3 G2 G3 : Electronics
Fotga Auto-Focus AF Lens Mount Adapter for Four Thirds 4/3 Mount Lens to Micro Four Thirds MFT M4/3 Mount DSLR Camera – FOTGA Official WebSite
Olympus OM 4/3 SLR Lens to Micro Four Thirds (MFT, M4/3) Mount Mirrorless Camera Body Adapter – Fotodiox, Inc. USA
Other Zhongyi Lens Turbo II Canon EF - Micro 4/3 (EOS - M4/3) Adapter – Kamerastore