Here is another rumored specs list of upcoming Sony a7 IV and a7S III/a7S IV. The Sony a7 IV is rumored to be announced in Spring of 2020, and the Sony a7S III/a7S IV is rumored to be announced ahead of NAB show in April. Take a look at rumored specs list below: (Click for large size)
The 15MP Sony IMX521CQR sensor was first leaked several months ago. Now since Sony a7S III is rumored to be announced soon, it is very likely that Sony a7S III will use this 15MP IMX521CQR sensor, you can take a look at full specs sheet of IMX521CQR below. Sony a7S III will shoot 4K60p video, and a possible of 61MP mode.
After Sony a9 II (B&H Photo Video/Adorama/Amazon) officially announced, Sony currently has no new camera code got registered, this means there will be no new Sony cameras to be announced in next 1-3 months. The long awaited Sony a7S III is expected to be announced in early 2020, probably at NAB Show in April.
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.