The Sony a7 IV will be the successor of a7 III, expected to be announced in early 2020, around CP+ Show in February. Here are first rumored specs list of Sony a7 IV from SonyERumors.
Sony a7IV rumored specs:
- Improved 24MP full frame CMOS sensor
- Improved weather sealing than a7 III
- 5.5-stop 5-axis image stabilization
- a7R IV/a9 II Body
- 693 PDAF, 425 CDAF
- Real-time tracking, real-time Eye AF for video, animal Eye AF
- Full Frame 6K Video, 4K Video 30p, 1080p Video 120p
- Standard sync terminal
- Lock release button
- New Save/Load setting
- Pixel shift mode
- Digital audio interface
- Dual UHS-II SD card slots
- USB 3.2 Gen 1, Type-C
- 10 fps w/ AF/AE tracking
- 5.76MP EVF
- 1.44MP LCD screen, Full articulating LCD Screen
- Sony a7 IV is expected to be announced in early 2020, maybe ahead of CP+ 2020 in February.