Fotasy M43MDM Minolta MD MC Rokkor Lens to MFT Micro 4/3 Camera Lens Adapter/Macro Focusing Helicoid This FOTASY Macro Focusing Helicoid / Adapter Ring allows Minolta MD MC Rokkor Lens used on M43 MFT Micro 4/3 four thirds cameras. It can be used as a normal MD - M43 Adapter. It can also work as a Macro Focusing Helicoid. There are no electrical contacts in the extension tubes. Exposure has to be adjusted manually. Aperture control is not available if you use a lens which does not allow you to manually adjust the aperture (without an aperture ring Work on Panasonic G1 G2 G3 G5 GH1 GH2 GH3 GH4 GF1 GF2 GF3 GF5 GF6 GX1 GX2 GX7 GM1 Olympus E-P1 E-P2 E-P3 E-P5 E-PL1 E-PL2 E-PL3 EPL5 OM-D E-M1 E-M5 E-M10 E-PM2E-PM1 Fotasy is a registered trademark