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Amazon.com : K&F Concept Lens Mount Adapter Nikon G Lens to M43 Micro Four Thirds M43 System Camera Adapter GF2 GF3 G2 G3 GH2 E-PL3 PM1 : Electronics
Metabones Canon EF to MFT T Lens Adapter 0.58x MBSPEF-M43-BT7
Amazon.com : Electronic Lens Auto Focus Adapter Four Thirds 4/3 Lens to Micro M4/3 Camera E-P1 E-PL1 E-PL3 E-PL5 G1 G2 GF1 GF5 OM-D E-M1 MarkII,E-M5,E-M5 Mark II, GH3,GH4,GH5,GH5s : Electronics
C to M43 lens adapter by General Brand for $20 - Mengel Engineering
Viltrox JY-43F Autofocus Adapter for FT mount Lens Goes to MFT M43 Mou
Mitakon Lens Turbo Adapter Mark II (For M43 Mount Camera) | Mitakon - ZY Optics
Metabones C-Mount Lens to Micro Four Thirds Camera MB_C-M43-CH3
Voigtlander Nikon F Lens (with aperture ring) to M43 Micro 4/3 Camera Body Adapter: shop.CameraQuest.com
Voigtlander Leica M Lens to M43 Micro 4/3 Camera Body Adapter