Description
Product Overview
| Specification | Detail |
|---|---|
| Model / Type | Sony Alpha a7S III (ILCE-7SM3) — mirrorless interchangeable-lens camera |
| Sensor | 12.1 MP (effective), full-frame (35.6 × 23.8 mm) back-illuminated Exmor R CMOS |
| Max Image Resolution | 4240 × 2832 px |
| Processor | BIONZ XR |
| ISO Range | Native: 80 – 102,400 ; Expanded: 40 / 409,600 |
| Stabilization | 5-axis in-body sensor shift, up to approx. 5.5 stops; Active mode for video |
| Shutter / Shooting Modes | Mechanical / electronic shutter ; 1/8000 s to 30 s (plus BULB) |
| Continuous Shooting | Up to 10 fps with full AF/AE, buffer over 1,000 RAW frames |
| Autofocus System | 759 phase-detection + 425 contrast-detect, Real-time Eye AF, touch tracking |
| Viewfinder | 0.64-type OLED EVF, approx. 9.44 million dots, 0.9× magnification, 41° FOV |
| Rear LCD | 3.0″ vari-angle (side-opening), approx. 1.44 million dots, touchscreen |
| Video Recording | 4K UHD up to 120p (10-bit 4:2:2) ; Full HD up to 240p ; Multiple codecs (XAVC-S, XAVC HS, XAVC S-I) |
| RAW / External Output | 16-bit RAW output via HDMI Type A ; 10-bit internal |
| Media Slots | Dual slots: CFexpress Type A + SDXC / SDHC (UHS-II) |
| Connectivity / Ports | USB-C (USB 3.2 Gen 1), Micro-USB, Full-size HDMI A, 3.5 mm mic & headphone jacks, Multi Interface Shoe (digital audio) |
| Wireless | Wi-Fi (2.4 / 5 GHz), Bluetooth |
| Battery | NP-FZ100 Li-ion ; approx. 510 shots (via EVF) / 600 shots (via LCD) |
| Body / Build | Magnesium alloy frame, weather/dust-sealed |
| Dimensions | 129 × 97 × 81 mm |
| Weight (body only) | Approx. 699 g |
Sony A7S III Overview
12.1MP Exmor RS BSI CMOS Sensor with BIONZ XR Processor
The Sony A7S III is built around a newly redesigned 12.1MP full-frame back-illuminated Exmor RS CMOS sensor that delivers stunning image clarity and reduced noise, even in low light. Its expanded ISO range of 40–409,600 makes it a powerhouse for night shoots and challenging lighting conditions.
Working alongside the advanced BIONZ XR image processor, the sensor achieves up to 8x faster performance and significantly cuts rolling shutter distortion by 3x. With 2x faster readout speeds, it captures both stills and video with remarkable accuracy. This combination offers up to 14 stops of dynamic range for photos and 15 stops for video, plus continuous shooting at 10 fps for 1000+ uncompressed RAW images.
UHD 4K 120p Video with 10-Bit 4:2:2 Internal Recording
Designed for filmmakers, the A7S III records 4K video up to 120 fps with full-pixel readout and no binning. It supports internal 10-bit 4:2:2 recording in all modes and even outputs 16-bit RAW via HDMI Type-A for maximum post-production flexibility.
Choose between advanced codecs like XAVC HS (HEVC/H.265) for efficient compression or XAVC S-I intraframe for consistent high-quality performance at bitrates up to 600 Mb/s.
Creative Recording Flexibility
Shoot smooth 4x or 5x slow-motion footage directly in-camera at 4K, or push it further with Full HD 240 fps recording. Unlike many cameras, the A7S III has no recording time limits, and its new heat-dissipating design supports extended recording sessions—up to 60 minutes at 4K60p without overheating.
Advanced Color Science
With S-Cinetone, the A7S III delivers cinematic color straight out of the camera, matching Sony’s FX6, FX9, and VENICE cinema cameras. Expect natural skin tones, soft highlights, and rich mid-tones that are ideal for film and commercial work.
For maximum post-production control, it also supports S-Log2 and S-Log3 profiles, squeezing up to 1300% more dynamic range than standard Rec.709.
Fast Hybrid Autofocus with Real-Time Tracking
The 759 phase-detection and 425 contrast-detection points cover 92% of the frame, ensuring reliable autofocus across any scene. Its Real-time Eye AF works for both humans and animals, locking focus precisely where it matters.
For video shooters, the AF system includes customizable transition speeds and subject shift sensitivity, allowing smooth and cinematic focus pulls.
5-Axis In-Body Image Stabilization
The enhanced 5.5-stop 5-axis SteadyShot INSIDE system stabilizes handheld footage, whether you’re shooting wide-angle landscapes, telephoto close-ups, or macro shots. For video, the Active IS mode adds an extra layer of stabilization for ultra-smooth footage, even without a gimbal.
Professional Viewfinder & Vari-Angle LCD
Framing your shot is effortless with the 9.44m-dot OLED Tru-Finder EVF, offering 0.9x magnification, a wide 41° field of view, and smooth 120 fps refresh rates.
The first A7-series camera with a side-opening 3.0″ vari-angle touchscreen LCD, it makes vlogging, low/high angle shooting, and self-recording intuitive and flexible. The redesigned menu system is now more streamlined and touch-friendly, catering to both stills and video workflows.
Rugged Body & Dual Card Slots
Built with a magnesium alloy chassis, the A7S III is lightweight yet durable, with enhanced weather-sealing against dust and moisture. Its dual card slots support CFexpress Type A and UHS-II SD cards, ensuring fast data handling and flexible storage options.
The camera runs on Sony’s NP-FZ100 battery, delivering up to 600 shots (LCD) or 95 minutes of video recording per charge, making it perfect for long shoots.
Professional Connectivity Options
The A7S III offers all the ports professionals demand:
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Full-size HDMI Type-A for external RAW recording
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USB 3.2 Gen 1 Type-C + Micro-USB for fast tethering and charging
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3.5mm headphone & microphone jacks for audio control
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Multi Interface Shoe for digital audio accessories like the ECM-B1M mic or XLR adapter kits
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Wi-Fi (2.4/5GHz) for remote control, wireless tethering, and instant file sharing
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Optional Ethernet adapter support for 1000BASE-T wired FTP transfers and live production workflows
Why Choose the Sony A7S III?
The Sony A7S III is more than a mirrorless camera—it’s a cinematic powerhouse designed for creators who demand exceptional low-light performance, high frame-rate 4K recording, industry-leading autofocus, and pro-level connectivity. Whether you’re a filmmaker, content creator, or photographer, this camera unlocks new creative possibilities.
In the Box:
Sony a7S III Mirrorless Camera
Sony NP-FZ100 Rechargeable Lithium-Ion Battery (2280mAh)
Sony BC-QZ1 Battery Charger
Sony ALC-B1EM Body Cap for E-Mount Cameras
USB Type-C to Type-A Cable
Cable Protector
Shoulder Strap
Accessory Shoe Cap
Eyepiece Cup















































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