Just a clarification: the size of a Micro 4:3 sensor is the same as a normal 4:3 sensor. Of course the 4:3 itself is a little bit smaller than an APS-C, but not much.

![enter image description here][1]

So do not expect worse sensor performance than in any Olympus or Panasonic DSLR.

http://en.wikipedia.org/wiki/Micro_Four_Thirds_system

http://en.wikipedia.org/wiki/Four_Thirds_System


  [1]: https://i.sstatic.net/PPHUz.png