announced July 2015
20mp sensor with 1/3EV more dynamic range and faster readout
similar 4K video functionality as for G7
intervalometer and timelapse
new post-focus mode allows users to select different focus points after shot is taken via 4K 30fps shots
'Random Filter' noise reduction
8fps with S-AF, 6fps with C-AF
shutter to 1/8000th sec and 1/1600oth sec in electronic shutter mode while BULB has been extended from 2min to 30min
splashproof
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larger than the GX7 with added dedicated exposure compensation dial and new G7-type button which is a bit like the Olympus 2×2 switch and improved articulated EVF with 2.36m dot OLED panel and 1.54x magnification (0.77x in full frame terms)
rear screen now OLED not LCD and is not fully articulated not just tiltable
no pop-up flash
compatible with Promote Systems' tethering software for USB-connected control of the camera and import into Lightroom