Here is an updated list of rumored/expected cameras that will be announced in the next few weeks:
Sony APS-C mirrorless cameraannounced (the new a6400 is the previously registered WW715296)Fujinon GF 100-200mm f/5.6 R LM OIS WR lensannounced- Olympus E-M1X camera on January 24th
- Panasonic Lumix S1/S1R cameras in end of January or February
- Fuji X-T30 and Fuji FinePix XP140 in February (unconfirmed)
- Sharp MFT 8k camera in April
- Zeiss ZX1 camera in Q1/2019
- Ricoh GR III in February
The rest of the list (expected to be announced later in 2019):
- Possibility for a new Olympus MFT tele-zoom and/or a wide-angle lens (the lens could be announced later, after the E-M1X)
- Olympus may also announce a new special edition camera or a lens for the company's 100 year anniversary (October 12th, 1919)
- New Olympus PEN-F II camera is still a possibility
- Fuji GFX 100MP (see the full list of expected Fuji cameras and lenses and the updated GF roadmap)
- Zeiss Otus 100mm f/1.4 lens
- Pentax APS-C camera
- Sony a7sIII
- Nikon: in addition to new Z mirrorless lenses, new D6 and D760 cameras are also rumored (see also this post)
- List of rumored Leica cameras and lenses
- Canon will concentrate on mirrorless lenses in 2019 (also rumored: APS-C, 8k, PRO and 100MP EOS R mirrorless cameras)
- Affordable RED 8k camera