Covers almost completely micro4/3.
Without modification mounted on c-mount-micro4/3 adapter with c-d ring it cannot focus past 15-20cm as the register of d-mount is shorter than on c-mount. Not sure if it can be modified for infinity as the back glass element is only 1-2mm from the rear end of the lens.
Should be a nice lens for close ups.Best clarity and smaller vignetting goes around f 2.8
Here how the lens looks like