RJ Speed Booster for Canon EF Mount Lens to Micro 4/3 M4/3 GH2 GH3 GH4 BMPCC with rotatable Arca Fitting Tripod colloar

R.J. brand new speed booster for EOS (EF) lens to Micro 4/3 adapter (including rotatable tripod collar (Arca Swiss compatible footing) ) Notes 1.For EOS (EF) AF lenses, You can not change aperture with this adapter (have to do it through an EOS body) 2. non full frame EF-S lenses... are not recommended to use with. original Canon EF-S lenses won't fit; 3rd party EF-S lenses might fit (but likely to have some vignetting) 3. Avoid shooting direct to light sources, otherwise blue spot might occur. Suitable for: All Canon EF Mount Lens All Micro 4/3 Camera Panasonic LUMIX GM1 GX7 GF6 GH3 G5 GF5 GX1 GF3 G3 GH2 GH3 GH4 Olympus OM-D E-M1 E-M5 Pen E-PL6 E-P5 E-PL5 E-PM2 E-P3 E-PL3 E-PM1 E-PL2 E-PL1 E-P2 E-P1 E-M1 E-M5 E-PL6 E-P5 E-PL5 E-PM2 E-P3 E-PL3 E-PM1 E-PL2 E-PL1 E-P2 E-P1 BMPCC BMCC (M4/3 mount)