The new 150-400mm is a gorgeus lens. But the disappointing news is that it will be available in early 2020 only. The image on top shows all current Olympus PRO lenses in one single pose.
E-M1X:
Olympus E-M1X in USA at Amazon, GetOlympus, Adorama and BHphoto.
Olympus E-M1X in Europe at Calumet Germany, ParkCameras, Jessops, WexUK.