The A7 III is still the workhorse: full frame, great autofocus, excellent low light. The A7 IV adds resolution and better video. Either carries a wedding, a portrait session or a travel shoot without fuss.
02
ZV series for creators
The ZV-E10 is built for talking to the camera: flip screen, product showcase focus, light body. Pair it with a 16-50 kit lens for vlogs or a 35mm prime for sit down videos.
03
FX3 when the brief says cinema
For commercial work, music videos and interviews the FX3 gives you the cine color science and full frame look without the rig weight. Add a gimbal and fast prime and you have a compact cinema package.