Voigtlander Leica M Lens to M43 Micro 4/3 Camera Body Adapter
Olympus OM 4/3 SLR Lens to Micro Four Thirds (MFT, M4/3) Mount Mirrorless Camera Body Adapter – Fotodiox, Inc. USA
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
T2 T Mount Lens to Micro Four Thirds Micro 4/3 M43 Adapter EP5 E-PL7 GH4 GH5 GF6 | eBay
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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
OLYMPUS OM4/3
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Fotga Lens Mount Adapter Ring for Nikon AI Lens to Micro4/3 M4/3 Adapter – FOTGA Official WebSite
KIPON Lens Mount Adapter for Leica M-Mount Lens to L/M-MICRO
Urth Olympus OM to Micro Four Thirds Lens Mount Adapter | Urth US