Sony is expected to announce a new high-end full frame E-mount mirrorless camera soon, probably ahead of IBC 2019 this month to early next month. Sony currently has one new camera code “WW942051” registered, this camera code has same 5.8GHz Wi-Fi as Sony a7R IV, so this camera could be Sony a7S III or a9 II.
Sony currently has three unannounced camera codes. This means we will see three Sony cameras to be announced within one or two months. According to Nokishita Camera, there is a possibility that all these three models are interchangeable lens cameras.
Finally, Sony has registered a new camera code WW942051 in China, this camera code has same info as recently announced Sony a7R IV(B&H Photo Video/Adorama/Amazon) (5.8 GHz Wi-Fi), this means WW942051 will be another high-end model from Sony. The long awaited Sony a7S III or Sony a9 II or a7000/a6700 or RX1R III ? Stay tuned.