16mp sensor and no optical low-pass filter which gives more detail but risks moire with fabrics, etc
4EV 5 axis in body
image stabiliser (with Dual IS when used with Panasonic OIS lenses and also works in video mode)
weathersealed
fixed 2.76M-dot 16:9 electronic viewfinder with 0.7x magnification
hotshoe and built-in mini-flash (GN4.2m at ISO 100)
flash sync 1/160th sec
49-point CDAF fast AF with Panasonic's DFD AF technology
DFD is only with Panasonic Micro Four Thirds lenses and gives 0.07 seconds AF lock
AF tracking 200% better than with the GX7
as with the GX7 and GX8, AF works down to -4EV light conditions - now that is low light!
Starlight AF mode to AF on stars!
Focus peaking, Pinpoint AF
Face/Eye Detection AF that automatically detects the face and left or right eye of your subject but not the closest eye as with Olympus
49-Area/Custom Multi mode, which lets you freely select a custom group of AF areas
new Focus Bracketing mode
4K Post Focus option allows user to select focus point after shot taken - probably not useful
in camera Panoramic stitching
new Aperture Bracketing feature, in which a series of images are captured with varying
depth of field (DOF)GX8's Clear Retouch
4K Photo mode 8mp 30fps jpegs from 4K video
4K-based Light Composition mode, which continuously captures a 4K video stream, but only records new brighter pixels into a single final composition shots - similar effect as
Olympus Live Composite mode but only 4K jpegs not full RAW
expanded in-camera panorama options - also has an 8176 x 960 or 1280 x 7680 resolution wider angle panorama mode
tilting rear 1.04Mdot LCD touch screen as with GX7
improved shutter mechanism reduces shutter shock by 90% while being even quieter
22 Creative Control filter modes - now also available in PASM and video shooting modes
6fps burst (10fps burst with electronic shutter but AF on 1st shot only)
mechanical shutter only to 1/4000th sec but electronic shutter goes to 1/16,000th sec
video:
4K 24/30p MP4 100Mbps video
1080HD 30p 20Mbps MP4, 60p 28Mbps MP4 / AVCHD, 30p 28Mbps AVCHD
stereo microphone ports on top of the camera
BUT NO external microphone jack or headphone jack.
one SD card slot: SDHC and SDXC types, and UHS-I types are supported (UHS Speed Class 3 required for 4K recording)
WiFi but no NFC, gives smartphone remote control and image sharing
426g