Sony has officially released Firmware Update Version 5.0 for the Sony A7s III, one of the most popular full-frame mirrorless cameras for videographers. While the update may look incremental, it introduces a range of enhancements that improve usability, workflow, and reliability for both professional filmmakers and hybrid shooters.
The A7s III is already a powerhouse for video production, and this firmware update further strengthens its reputation. From expanded focus area options to USB streaming support, Sony continues to refine the camera’s performance through regular updates.
What’s New in Firmware v5.0
📸 Focus Area Enhancements
- New Spot: XL option added under Spot in the Focus Area menu.
- Customizable focus areas with Custom 1, Custom 2, and Custom 3.
- Tracking options expanded with Tracking: Spot XL and Tracking: Custom 1–3.
🖥 Display & Menu Improvements
- Adapted shooting information layout for both horizontal and vertical viewing.
- Option to enlarge the menu screen display for easier navigation.
🎥 Video Recording Workflow
- Remaining capacity of both storage devices now displayed during movie recording when using Simultaneous or Auto Switch Media (Relay Recording).
🌐 Connectivity & Streaming
- Added support for USB streaming via USB Type‑C connection.
- Supports Write Digital Signature for movies as part of Sony’s Camera Authenticity Solution.
- Supports Scan and Tag, Photo Cropping, and Volume Photography Commands under the Volume Photography License (paid license required).
🔧 Bug Fixes & Stability
- Fixed an issue where audio could still be recorded even when Audio Recording was set to Off.
- Improved overall operational stability of the camera.
Download the official firmware here: Sony A7s III Firmware v5.0
How to Install the Firmware Update
- Download the firmware file from Sony’s support page.
- Ensure your camera battery is fully charged or use an AC adapter.
- Follow the step‑by‑step instructions provided by Sony to install the update.
- Do not power off the camera or disconnect cables during the update process.
Should You Update?
Yes — this update is highly recommended. Videographers will benefit from expanded focus area options, improved menu usability, and USB streaming support. The bug fixes and stability improvements ensure smoother operation, making the A7s III even more reliable for professional use. For those considering Sony’s lineup, check out our guide: 5 Best Sony Cameras for Videographers.
Buy the Sony A7s III (Body Only)
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Tip: The A7s III is a top choice for videographers seeking exceptional low‑light performance and advanced video features.
Related Links
Best Lenses for Sony a7S III Camera | Best Memory Cards for Sony a7S III
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