16mp 4:3 sensor
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no built-in EVF but optional EVF via hot shoe
ART filter can be changed DURING movies and the change will be introduced gradually
touch screen
the same super fast AF as with the E-M5 and E-M10
remote TTL flash capable
flash sync 1/250th sec when used with the latest flashes (eg. Olympus FL600R)
reasonably good 20Mbps 1080i HD video (supported by the IS) with stereo mics and a Movie Teleconverter capability
built-in WiFi for almost full remote control by smartphones
timed long exposures of up to 60secs – very few cameras have this feature which is nice for photographing stars
Lens IS priority option which allows you to automatically disable the sensor-based IS if a Panasonic lens with OIS is being used