According to recently rumors on CR, the upcoming EOS 6D Mark II and EOS Rebel SL2 will be announced at the same time in July, 2017. And there is also a chance that EF 85mm f/1.4L IS USM lens to be announced together. According to CR, EOS 6D Mark II will have a new battery grip.
Confirmed specs of EOS 6D Mark II:
- Built-in Wi-Fi
- Bluetooth
- Articulating Screen (Vari-Angle LCD)
- A slightly taller and deeper body over the current EOS 6D.
- New battery grip
- Announcement in July, Shipping in August
And here are previous rumored specs of 6D Mark II:
- 24-28mp Full Frame CMOS sensor
- 45 AF Points (all cross-type)
- 6 FPS
- 4K video
- DIGIC 7
- 1.5 stops better than Canon 6D at higher ISO
- Low-light autofocus (centre point) at -5 EV
- Built-in GPS
- Built-in NFC
- Dual-pixel autofocus technology
- HDR Movie & Time Lapse Movie
- Movie electronic image stabilization
- Dual SD card slots
- 100% coverage optical viewfinder
- New connectivity feature on 6D Mark II
- Price will be a bit expensive than 6D
via: CR