So its time to have a good flash again. I haven't had one for over a year and I am finding I'm really missing it. I have the EM5mkII and I am down to basically these two. The FL-600r: Great compact fully Olympus TTL compatible wireless flash. Plenty of power for my needs. $250 Yongnuo YN560 IV : Larger size, plenty of power, fast recycle completely manual flash. More power for my needs but not as convenient as everything is manual/ $60 (I have a line on a used one) My objective is to have a nice bright fill flash I can use during the day and definitely want to be able to trigger it off camera. Im not sure but I think I can trigger the YN560 using my little flash that came with the EM5II. Does anyone know? Worst case I have a little generic flash trigger that I can use. Im only using the one flash at the moment so triggering the flash is not a big deal. The FL600 is a no brainer. I know it will work. Ill get wireless TTL. Its smaller therefore will be easier to have on me all the time. But its so much more expensive. The alternative is getting the FL300r which is about $99 now (used) but I think the power will be just below what I want to use it for. Any thoughts, ideas or if you want to share what you decided on please let me know.