The Sony A7sIII has a very unique setup with dual UHS-II sd card slots that can also take the Cfexpress Type A card. But do you need CFexpress cards or are UHS-II cards good enough? It depends on how you're going to use the camera, and it's all spelled out in this guide which hopefully will save you some money. Use this guide to find the best memory cards for the Sony A7sIII.
The Sony A7SIII was just announced and for the videographer, it's pretty jaw-dropping. Everything everyone has been asking for has been addressed. They've improved the bitrate, improved the frame rate, 10-bit 4:2:2 internal, it has the nice body of the Sony A7rIV, dual SD and CFexpress type A card slots, improved the IBIS (a little ), improved the dynamic range and the sensor readout speeds. What more could you want? I'll tell you.
As cameras and sensors dive deeper into the realm of computational photographer, we're going to see sensor technology change in exciting new ways to support what has becomes possible with faster real-time processing. The Quad Bayer sensors are here and they open the doors to some pretty cool capabilities.