4K video at up to 120 fps
Records 4K video at up to 120 fps for video-focused shooting.
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Updated 3 months ago
A 12MP full-frame mirrorless camera optimized for low-light video and 4K recording. It remains a favorite among filmmakers and video-first hybrid shooters.

Records 4K video at up to 120 fps for video-focused shooting.
Its 12.1MP BSI-CMOS full-frame sensor offers ISO 80–102400, expandable to ISO 40–409600.
Five-axis in-body optical stabilization, 759 autofocus points, and a 3.0-inch vari-angle touchscreen support adaptable handheld operation.
The Sony Alpha a7S III is a 12.1MP full-frame mirrorless interchangeable-lens camera designed for low-light video and 4K recording, with E-mount lens compatibility, in-body stabilization, and weather sealing.
The camera is described as an excellent tool for video makers, offering pro-friendly capabilities and a well-designed interface, though it has limited appeal for stills-focused photographers due to its 12.1MP sensor.
The reviewer calls it the best mirrorless camera for video they have tested, citing its low-light performance, autofocus, and usability improvements, while noting its high price and low resolution as potential limitations.
The review praises the camera as a stellar, feature-packed video performer and a filmmaker's dream, concluding it is the best mirrorless camera for video currently available for purchase.
The reviewer labels the camera as excellent, highlighting its industry-leading 4K video feature set and improved autofocus, while suggesting it is best suited for video-first creators.
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| Attribute | Specification | Notes |
|---|---|---|
| Autofocus Points | 759 | |
| Battery Life | 510 shots | shots |
| Body Type | Mirrorless interchangeable-lens camera | |
| Burst Shooting Speed | 10 fps | fps |
| Connectivity Options | Wi-Fi (2.4GHz/5GHz), Bluetooth, NFC, USB Type-C (SuperSpeed USB 5Gbps / USB 3.2), HDMI (Type-A), Wireless LAN control / FTP support, USB to Ethernet via adaptor (wired LAN) | |
| Display Type And Size | 3.0-inch (7.5cm) TFT LCD touchscreen, vari-angle (adjustable angle) | inches |
| Image Stabilization | In-body 5-axis optical image stabilization (SteadyShot; sensor-shift) | |
| Iso Range | ISO 80-102400 (Standard), up to ISO 40-409600 (Expanded) | |
| Lens Type | Interchangeable E-mount lenses (Sony E-mount) | |
| Max Frame Rate | 120 fps | fps |
| Sensor Resolution | 12.1 MP | MP |
| Sensor Type | BSI-CMOS (Exmor R) | |
| Storage Support | CFexpress Type A memory cards, SDXC memory cards (UHS-I/II compliant), SDHC memory cards (UHS-I/II compliant), SD memory cards | |
| Video Resolution | 4K (3840 x 2160) | |
| Viewfinder Type | Electronic viewfinder (0.64-type) | |
| Weather Sealing | Yes | |
| Weight | 699 g | g |

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