Okay, after a "slight" delay, I remembered this thread and have a couple of comparisons to post. Be sure to click through and zoom into the full res photos. I think I cropped them a little differently but honestly can't remember at this point. All taken with the E-M5.2.I just picked up the MC20. I've had the MC14 for a while. The MC14 is okay (seems to work better on the 300 than the 40-150 for me), but the MC20 seems noticeably better than the MC14 so far. I just got it yesterday so I haven't done much testing, but the quick shots I took yesterday looked really good. I plan to get out this weekend and shoot some comparisons.