Fourthirds lenses on Micro Fourthirds

The new, free, adapter for the OM-D E-M1 allows me to use what is probably my favourite all-time lens, the Olympus 12-60mm, on that camera. Previous Micro 4/3 cameras really were S L O W to autofocus with the previous 4/3 cameras, but the E-MD E-M1 is quite tolerable with this lens, though the lens s rather out of proportion to the camera. Olympus and Panasonic have some great micro 4/3 cameras, but nothing to match this 12-60mm lens (quite fast), which I regard as an ideal.