Sony

Sony ILCE7SM3/B Alpha a7S III Full-Frame Mirrorless Camera (Body Only) (Renewed)

UHD4K12 Inch1MP12MP

Capture Stunning Video and Images with Unmatched SensitivityThe Sony Alpha a7S III sets a new benchmark for full-frame mirrorless cameras, excelling in video performance, sensitivity, and speed. Featuring a revised 12.1MP Exmor R BSI CMOS sensor and BIONZ XR image processor, it delivers exception...

$5,499.95*
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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.

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Overview

Capture Stunning Video and Images with Unmatched Sensitivity

The Sony Alpha a7S III sets a new benchmark for full-frame mirrorless cameras, excelling in video performance, sensitivity, and speed. Featuring a revised 12.1MP Exmor R BSI CMOS sensor and BIONZ XR image processor, it delivers exceptional low-light performance, wide dynamic range, and UHD 4K 120p video recording. This renewed bundle includes essential accessories to elevate your photography and videography experience.

  • Sensor: 12.1MP Full-Frame Exmor R BSI CMOS.
  • Video: UHD 4K 120p Video, 10-Bit 4:2:2 Internal.
  • Output: 16-Bit Raw Output via HDMI.
  • Autofocus: 759-Point Fast Hybrid AF.
  • Viewfinder: 9.44m-Dot QXGA OLED EVF.
  • Screen: 3.0" 1.44m-Dot Vari-Angle Touchscreen.
  • Image Stabilization: 5-Axis SteadyShot Image Stabilization.
  • ISO: Extended ISO 40-409600.
  • Continuous Shooting: 10 fps Shooting.
  • Memory Card Slots: Dual CFexpress Type A/SD Card Slots.

Key Features

Bundle Includes: 1 x Sony Alpha a7S III Mirrorless Digital Camera (Body Only), 1 x Sony FE 70-200mm f/2.8 GM OSS Lens, 1 x SanDisk SecureDigital 64GB Extreme PRO Memory Card, 1 x NP-FZ100 Rechargeable Battery, 1 x Corel Photo Software With PhotoMirage, AfterShot, Painter Essentials, PaintShop Pro, and Video Studio, 1 x Large Padded Case, 1 x NP-FZ100 charger, 1 x Memory Card Reader, 1 x Deluxe Cleaning Set, 1 x 12 Inch Flexible Tripod, 1 x Memory Card Wallet

Optimized video, optimized sensitivity, optimized speed, the Sony Alpha a7S III raises the bar for what a full-frame mirrorless camera is capable of. A revised 12.1MP Exmor R BSI CMOS sensor and updated BIONZ XR image processor offer faster performance, improved noise reduction, and a wider dynamic range, along with UHD 4K 120p video recording and internal 10-bit 4:2:2 sampling.

Video is the primary application of the a7S III, and improvements to the sensor and processor enable faster readout speeds and greatly reduced rolling shutter, along with high-bitrate internal recording, 16-bit raw output via the full-size HDMI port, and flexible control over motion with variable frame rate selection. The a7S III also does away with recording time limits and incorporates HLG for direct HDR production as well as S-Log2/S-Log3 gamma profiles for advanced HDR production.

The updated sensor design also brings improved autofocus performance via 759 phase-detection points, which offer intelligent subject tracking and Real-time Eye AF to ensure critical focus on moving subjects in all recording modes. The sensor and BIONZ XR processor also facilitate impressive sensitivity, with an expanded range from ISO 40-409600, as well as fast 10 fps continuous shooting for up to 1000 consecutive raw frames.

Key Features: 12MP Full-Frame Exmor R BSI CMOS Sensor - UHD 4K 120p Video, 10-Bit 4:2:2 Internal - 16-Bit Raw Output, HLG & S-Log3 Gammas - 759-Point Fast Hybrid AF - 9.44m-Dot QXGA OLED EVF - 3.0" 1.44m-Dot Vari-Angle Touchscreen - 5-Axis SteadyShot Image Stabilization - Extended ISO 40-409600, 10 fps Shooting - Dual CFexpress Type A/SD Card Slots.

Specifications

Sensor Type
12.1MP Full-Frame Exmor R BSI CMOS Sensor
Image Processor
BIONZ XR
Video Resolution
UHD 4K 120p
Internal Video Sampling
10-Bit 4:2:2
Raw Output
16-Bit Raw via Full-Size HDMI
Gammas
HLG, S-Log2/S-Log3
Autofocus Points
759 Phase-Detection Points
Autofocus Features
Intelligent Subject Tracking, Real-time Eye AF
ISO Range
Extended ISO 40-409600
Continuous Shooting
10 fps (up to 1000 consecutive raw frames)
Viewfinder
9.44m-Dot QXGA OLED EVF
LCD
3.0" 1.44m-Dot Vari-Angle Touchscreen
Image Stabilization
5-Axis SteadyShot Image Stabilization
Card Slots
Dual CFexpress Type A/SD Card Slots
Product Condition
Renewed (Body Only)

Pros & Cons

👍 Pros

  • Features a revised 12.1MP Full-Frame Exmor R BSI CMOS Sensor, designed for enhanced performance and sensitivity.
  • Offers UHD 4K 120p video recording with 10-bit 4:2:2 internal sampling, providing extensive video capabilities.
  • Capable of 16-bit raw output via the full-size HDMI port, allowing for maximum post-production flexibility.
  • Equipped with 759 phase-detection points for improved autofocus performance, including intelligent subject tracking and Real-time Eye AF.
  • Boasts an extended ISO range from 40-409600, enabling excellent low-light shooting performance.

👎 Cons

  • As a renewed product, it ships in a bundle where some accessories like the battery might not be original, even if compatible.
  • The 12.1MP sensor, while optimized for video and low light, may offer lower resolution for still images compared to other full-frame cameras.
  • Utilizes dual CFexpress Type A/SD Card slots, which might require investment in newer, potentially more expensive CFexpress Type A cards for optimal performance.
  • The comprehensive bundle includes many items, which may result in a higher initial cost for users who only need the camera body.
  • Despite advancements, the "renewed" status implies it's not a brand-new unit, which some buyers might prefer for warranty or pristine condition.

Frequently Asked Questions

The Sony Alpha a7S III features a 12.1MP Full-Frame Exmor R BSI CMOS Sensor, optimized for video and low-light performance.
It can record UHD 4K 120p video with 10-bit 4:2:2 internal sampling, and offers 16-bit raw output via its full-size HDMI port.
Yes, the camera provides improved autofocus performance with 759 phase-detection points, including intelligent subject tracking and Real-time Eye AF.
The camera offers an impressive extended ISO range from 40-409600, beneficial for various lighting conditions.
The Sony Alpha a7S III is equipped with dual CFexpress Type A/SD Card slots for flexible media storage options.