Greetings folks, Over in the thread titled "Is EM-1 focusing better than EM5-II?", I posted a picture showing the PDAF bounding box which appears on the EM-1 when you use Seq-H + SAF or CAF (non-tracking). I only recently learned about how the PDAF works and how it shows you it is working. I'll post the image again here at the end of this comment. I had only ever tested PDAF with M43 lenses, because I was lead to believe it would only work with M43 lenses and older 4/3 lenses, but I don't own any 4/3 lenses. However, curiosity got the best of me and I just tested it with my Metabones 0.71x SB and Sigma 150-600mm C, and that bounding box also appeared, I realize I had seen it before, but I didn't know what it meant. In fact, it seems that only PDAF mode is enabled, thus no CDAF, just like when using an older 4/3 lens. And this is in all shooting modes: Single, Seq-L, and Seq-H. On top of that, you can choose different AF patterns for the PDAF (small spot, spot, 3x3, and all). Very interesting! p.s. If anyone wants, I can post a picture of the PDAF grid when my Sigma is mounted?