Firmware update 3.30 has just been announced for the Sony A7r II and it promises to bring a handful of improvements to the already feature-rich camera. According to the official Sony website, the updates are as follows:
- Support for Radio-controlled Lighting System
- Improves stability of the camera while shooting still images by regulating the internal temperature
- Overall stability and operability of the camera is improved.
You can find the download link here: Mac / Windows
