Rowy
Active member
Regarding hyper shallow DOF: the AF100 with the Noktor and HyperPrime lenses can easily match the DOF of a 7D or other APS-C DSLRs. Not so easy to match the hyper shallow full frame look yet, but that will be easy to do when the Metabones SpeedBooster for M4/3 is available.
I don't think the Speedbooster actually changes the f-stop/DoF characteristics of the taking lens so it won't give you that hyper shallow full frame look. Yes, you can use a slightly longer lens (say a 35mm f1.4 instead of a 24mm f1.4) but your DoF will still be at whatever it is set on the lens - more light will be hitting the sensor but your f-stop will not have changed (your T-stop will have changed but DoF is calculated from f-stops)