Sony Alpha 7 III Mirrorless Camera
The Sony a7 III is a 24.2MP full-frame mirrorless camera — with 4K video and in-body stabilization. Used copies start from $1,056.09 on GearFocus, with buyer protection on every purchase.
Sony Alpha 7 III Mirrorless Camera
Used Sony a7 III Listings on GearFocus
Camera Overview — Sony a7 III
Key Features — Sony a7 III
24.2MP Full-Frame Sensor: A 35mm full-frame BSI-CMOS sensor delivers high image quality with strong dynamic range and low-light performance across a wide range of shooting scenarios.
693-Point Phase Detection AF: Phase-detection points cover approximately 93% of the frame, enabling fast and accurate subject acquisition even with moving subjects.
Eye & Face Detection AF: Real-time Eye AF tracks human eyes automatically, reducing the need for manual focus adjustments during portraits. Animal Eye AF was introduced later via firmware.
5-Axis In-Body Stabilization: Optical image stabilization compensates for camera shake across five axes, allowing for sharper handheld shots at slower shutter speeds.
10fps Continuous Shooting: Burst mode captures up to 10 frames per second at full 24.2MP resolution, suitable for sports and fast-moving subjects.
4K Video with S-Log Support: Records 4K at up to 30fps with S-Log2, S-Log3, and HLG color profiles, providing flexibility for color grading in post-production.
Camera Specifications — Sony a7 III
| Spec | Detail |
|---|---|
| Use Cases | Portrait, Landscape, Wedding, Street, Travel, Video / Cinematography, Vlogging / YouTube, Night, Studio, Product, Event, Headshot |
| Type | Mirrorless |
| Sensor | Full Frame (35mm) |
| Resolution | 24.2MP |
| Processor | BIONZ X |
| ISO Range | 100 – 51200 |
| AF System | Hybrid (Phase + Contrast), Eye Detection AF, Face Detection AF, Animal Detection AF |
| AF Points | 693 Phase Detection Points |
| Max Photo Resolution | 6000x4000 |
| Burst Rate | 10 fps |
| Max Video Resolution | 4K |
| Max Frame Rate | 30fps |
Description — Sony a7 III
The Sony Alpha 7 III is a full-frame mirrorless camera with a 24.2MP sensor processed by the BIONZ X image processor. Its ISO range spans 100 to 51200, offering meaningful flexibility across a wide range of lighting situations. The autofocus system is built around 693 phase-detection points and a hybrid phase/contrast detection architecture, supplemented by Eye Detection AF, Face Detection AF, and Animal Detection AF, with both eye tracking and subject tracking active.
Burst shooting reaches 10fps at the camera's full 6000x4000 resolution, with color output in sRGB or AdobeRGB. Video capabilities include 4K recording at up to 30fps (also supporting 24fps), with S-Log2, S-Log3, and HLG color profiles available for post-production flexibility, all captured in 8-bit. The 5-axis in-body stabilization system handles camera shake directly in the body.
Monitoring is handled through a 3-inch tilting LCD at 921,600 dots and an electronic viewfinder rated at 2.36M dots with a 120Hz refresh rate. The magnesium alloy, weather-sealed body measures 126.9 x 95.6 x 73.7mm and weighs 650g. Connectivity spans Wi-Fi, Bluetooth, USB-C, Micro HDMI, and 3.5mm headphone and microphone jacks, with SDXC and SDHC card support and the NP-FZ100 battery rated for 710 shots.
Pros — Sony a7 III
- ✓693 phase-detection AF points with Eye, Face, and Animal Detection AF for versatile, reliable subject acquisition
- ✓5-axis in-body image stabilization reduces camera shake without relying on digital IS
- ✓4K video at up to 30fps with S-Log2, S-Log3, and HLG color profiles for flexible color grading
Cons — Sony a7 III
- ✗Video output is limited to 8-bit, which constrains dynamic range headroom in post-production workflows
- ✗4K frame rates top out at 30fps with only 24fps as an alternative — no higher frame rate 4K option listed in specs
- ✗Display is a tilting LCD rather than a fully articulating panel, limiting angle flexibility
Reviews — Sony a7 III
Videos — Sony a7 III
DPReview TV: Sony a7 III review — DPReview TV
Frequently Asked Questions — Sony a7 III
What autofocus features does the Sony Alpha 7 III offer?+
The Alpha 7 III uses a hybrid autofocus system combining phase and contrast detection, with 693 phase-detection points covering the frame. It supports Eye Detection AF, Face Detection AF, and Animal Detection AF, and includes both eye tracking and subject tracking capabilities.
What are the video recording capabilities of this camera?+
The camera records video up to 4K resolution at frame rates of 24fps and 30fps. It supports S-Log2, S-Log3, and HLG color profiles and records in 8-bit color depth. Audio connectivity includes both a 3.5mm microphone jack and a 3.5mm headphone jack for monitoring.
Does the Sony Alpha 7 III have in-body image stabilization?+
Yes, the camera includes 5-axis in-body image stabilization. Digital IS is not active, so stabilization is handled entirely through the optical in-body system.
What is the ISO range on the Alpha 7 III?+
The native ISO range runs from ISO 100 to ISO 51200, as listed in the specifications.
What connectivity options does the Alpha 7 III include?+
The camera includes Wi-Fi, Bluetooth, USB-C, standard USB, Micro HDMI output, a 3.5mm headphone jack, and a 3.5mm microphone jack. It also supports the Sony TTL flash system.
What memory cards does the Sony Alpha 7 III accept?+
The Alpha 7 III accepts SDXC and SDHC memory cards. No additional card formats are listed in the specifications.