We already known upcoming Sony a7S III will have a new sensor, now according to latest rumors from SAR, Sony will soon announce two new full frame 16bit sensors. These sensors are rumored for the upcoming Sony a7S III and Sony a7R IV/a9R.
The Sony Alpha a7R III has rumored for a long time, after the release of Sony Alpha a9 (Amazon/B&H Photo/Adorama), now more and more people are waiting for high megapixel Sony a7R III or Sony a9R. Currently, there is no detail specs rumors on a7R III or a9R. SAR said that a7R III will have a full frame mirrorless sensor megapixel around 60-70MP, and we may not see release of a7R III very quick, the rumored release date is in late this year.
After Sony has announced the new a6500 and RX100 V cameras, next camera from Sony will be a full frame mirrorless camera, according to previous rumors, the new flagship mirrorless camera will be Sony Alpha a9. Sony Alpha a9 will be a little upmarket than current Sony Alpha a7RII mirrorless camera.
According to latest rumors from SAR, Sony will soon announce two full frame mirrorless cameras in the next few weeks. We may see new camera annoucement before or after the NAB Show 2015 in April.
According to Indonesian Communication Agency, Sony registered a new camera in Indonesia. The name is Sony WW808162, which is similar to Sony A7 series full frame mirrorless cameras.