No, the Sony FX3 features an internal cooling fan and heat-dissipating structure, allowing for unlimited 4K 60p recording without thermal shutdown.
Using the NP-FZ100 battery, the FX3 provides approximately 95 minutes of continuous movie recording or 580 still shots per charge.
Yes, the FX3 is a low-light leader with a dual-base ISO (800/12,800) and an expandable ISO up to 409,600 for clean footage in dark environments.