Name: Sony Alpha a7S III Mirrorless 12.1MP Full Frame Digital Camera Body
Brand: Sony
SKU: USN-02-A7SIII-4 3397156
Price: 2356.2 USD
Availability: InStock

Displays noticeable wear including visible dings and scratches. Fully operational and includes all items shown in the listing photos. Glass elements may have slight imperfections not affecting image quality. The actual item for sale is pictured unless specifically noted otherwise. The condition rating applies to the core item and not any accessories.

Sony Alpha a7S III full-frame mirrorless camera with 12.1MP, fast autofocus and exceptional low-light performance. Explore pro video now.

The Sony a7S III elevates the potential of mirrorless cameras with astonishing sensitivity, highly-refined speed, and advanced video recording capabilities. Featuring a new 12.1MP Exmor R BSI CMOS sensor alongside upgraded BIONZ XR image processing, this camera promises enhanced image clarity and noise suppression. UHD 4K 120p video and internal 10-bit 4:2:2 sampling are among the pro-caliber attributes this camera boasts.

The Sony a7S III is a professional-grade mirrorless camera designed for exceptional video and low-light performance. Featuring a 12.1MP full-frame sensor, it excels in capturing stunning visuals with high dynamic range and minimal noise.

Supports up to 4K 120fps video recording with 10-bit 4:2:2 color depth for cinematic quality.

4K Video Recording

Real-time Eye AF and subject tracking ensure sharp focus on moving subjects.

Advanced Autofocus System

Compatible with CFexpress Type A and SD cards for flexible storage options.

Dual Card Slots

The Sony Alpha 7S III is a **full-frame mirrorless camera** with a **12.1MP** sensor processed by the **BIONZ XR** engine. Its ISO flexibility — ranging from **80 to 409600** — puts it in a class of its own for low-light imaging. The autofocus system spans **759 focus points** and includes **Hybrid Phase and Contrast Detection**, along with **Eye Detection AF**, **Face Detection AF**, **Animal Detection AF**, and subject tracking, giving shooters reliable lock-on across a wide range of subjects. Still shooters get a maximum resolution of **4240x2832** pixels and a burst rate of **10fps**. Video capabilities include **4K recording at up to 120fps** with **10-bit** internal capture and color profile support for **S-Log3**, **HLG**, and **S-Cinetone**. The **5-axis in-body stabilization** and additional **digital IS** mode help maintain image stability. The rear **3.0-inch articulating touchscreen** resolves at **1440k dots**, and the **9.44M-dot electronic viewfinder** runs at **120Hz**. Dual card compatibility with **CFexpress Type A** and **SDXC** formats adds workflow flexibility. Connectivity includes **Wi-Fi**, **Bluetooth**, **Full HDMI**, **USB-C**, and **3.5mm headphone and microphone jacks**. The **weather-sealed magnesium alloy** body weighs **699g** and measures **129 x 97 x 81mm**.

Large photosites on the full-frame sensor capture more light per pixel, directly supporting the camera's exceptional low-light and dynamic range performance.

12.1MP Full-Frame Sensor

An extremely wide native and expanded ISO range makes this camera well-suited for available-light, night, and high-dynamic-range shooting scenarios.

ISO 80–409600 Range

Records oversampled 4K footage at up to 120fps, enabling high-quality slow-motion capture at full 4K resolution without a crop penalty.

4K Video at Up to 120fps

10-bit internal recording retains significantly more color data than 8-bit, giving editors greater latitude in grading and color correction.

10-Bit Color Recording

Three professional color profiles are available in-camera to suit log grading workflows, HDR delivery, and a cinema-ready look straight from the body.

S-Log3, HLG & S-Cinetone Profiles

Compensates for camera movement across five axes, helping produce steady handheld footage and sharp stills in difficult shooting conditions.

5-Axis In-Body Stabilization

Phase-detection and contrast-detection autofocus across 759 points, with Eye, Face, and Animal Detection AF for reliable subject tracking.

759-Point Hybrid AF

One of the highest-resolution electronic viewfinders available, with a 120Hz refresh rate for smooth, lag-free subject tracking and composition.

9.44M-Dot EVF at 120Hz

Supports both CFexpress Type A and SDXC cards in each slot, offering flexible high-speed storage and simultaneous backup recording.

Dual CFexpress Type A & SD Slots

Full-size HDMI output alongside dedicated 3.5mm microphone and headphone jacks makes the camera straightforward to integrate into professional video rigs.

Full HDMI & Audio I/O

User Manual

Sony a7S III

Sony a7S III review

Sony a7S III Hands-On Review Round-Up: Everything You Need to Know

Sony Alpha 7S III Mirrorless Camera

The SONY a7S III: A Technical MASTERPIECE!

Sony a7S III | Hands-on Review

Sony a7S III Review: Best 'run and gun' camera available today?

Notes:
Marks on LCD screen. Light black paint wear around edges of unit.Shutter count < 17,200.

The Sony Alpha a7S III Mirrorless 12.1MP Full Frame Digital Camera Body is a versatile choice for creators who need strong low-light capability, dependable autofocus, and a compact full-frame platform. This camera is in good condition and is well suited for photography and video work alike. Key Features<ul><li>Full-Frame Mirrorless Design: A compact body built for modern full-frame shooting.</li><li>12.1MP Resolution: 12.1MP sensor resolution for image capture and workflow flexibility.</li><li>Low-Light Friendly: Designed with performance in challenging lighting in mind.</li><li>Hybrid Creative Tool: A strong option for both stills and video applications.</li><li>Sony Alpha Platform: Compatible with the Sony E-mount ecosystem.</li><li>Shutter Count: 17,200 actuations.</li><li>Condition: Offered in good used condition, ready for a new setup.</li><li>Ergonomic Body Design: Built for comfortable handling during extended shoots.</li></ul> If you are looking for a capable full-frame body with a proven reputation, the Sony a7S III is ready to support your next shoot.
 
Condition Notes
Marks on LCD screen. Light black paint wear around edges of unit.Shutter count < 17,200.

Spec	Detail
Use Cases	Video / Cinematography, Vlogging / YouTube, Night, Studio, Documentary, Event
Type	Mirrorless
Sensor	Full Frame (35mm)
Resolution	12.1MP
Processor	BIONZ XR
ISO Range	80 – 409600
AF System	Hybrid (Phase + Contrast), Eye Detection AF, Face Detection AF, Animal Detection AF
AF Points	759
Max Photo Resolution	4240x2832
Burst Rate	10 fps
Max Video Resolution	4K
Max Frame Rate	120fps
Bit Depth	10-bit
Video Color Profiles	S-Log3, HLG, S-Cinetone
Image Stabilization	5-Axis In-Body Stabilization
Display	3.0 inches Articulating Touchscreen
Display Resolution	1440k dots
Viewfinder	Electronic
Viewfinder Resolution	9.44M dots
Storage Media	CFexpress Type A, SDXC
Connectivity	Wi-Fi, Bluetooth, USB-C
HDMI	Full HDMI
Battery	NP-FZ100
Battery Life	600 shots
Weather Sealing	Weather Sealed
Dimensions	129 x 97 x 81 mm
Weight	699g
Lens Mount	Sony E
Flash System	None

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Sony Alpha a7S III Mirrorless 12.1MP Full Frame Digital Camera Body

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