Yes, the Sony A7 IV records 4K 60p in 10-bit 4:2:2, though it applies a 1.5x (Super 35) crop at this frame rate.
The Sony A7 IV features enhanced dust and moisture resistance, though it is not fully waterproof and should be protected during heavy rain.
Using the NP-FZ100 battery, it lasts for approximately 580 shots or roughly 2 hours of continuous video recording depending on settings.
No, the Sony A7 IV does not have the traditional 29-minute 59-second recording limit, allowing for long-form content capture.