Dominate low-light conditions and capture breathtaking motion with the Sony Alpha 7S III mirrorless camera. This full-frame marvel features a high-sensitivity sensor for exceptional image quality in darkness, along with blazing-fast autofocus and 4K video recording at up to 120 frames per second, making it a powerful tool for videographers and photographers who push the boundaries of their craft.
Key Features
Model No: ILCE7SM3/B
- UHD 4K 120p Video, 10-Bit 4:2:2 Internal
- 12MP Full-Frame Exmor R BSI CMOS Sensor
- 3.0″ 1.44m-Dot Vari-Angle Touchscreen
- 16-Bit Raw Output, HLG & S-Cinetone
- 759-Point Fast Hybrid AF
- Dual CFexpress Type A/SD Card Slots
- 9.44m-Dot QXGA OLED EVF
- Extended ISO 40-409600, 10 fps Shooting
- 5-Axis SteadyShot Image Stabilization
- REVIEW
- SPECS
Sony Alpha a7S III: A Master of Low-Light and Video for Discerning Videographers and Photographers
The Sony Alpha a7S III is a full-frame mirrorless camera designed for professional and highly demanding videographers and photographers who prioritize low-light performance and exceptional video capabilities. It boasts a unique combination of features that allows for capturing stunning visuals in challenging lighting conditions and producing high-quality cinematic footage.
Unmatched Low-Light Performance
The a7S III features a newly developed 12.1MP full-frame back-illuminated Exmor R CMOS sensor with exceptional low-light sensitivity. It offers a native ISO range of up to 409,600, expandable to a staggering 1,024,000, allowing for capturing clean and detailed images and videos even in near darkness.
Impressive Video Recording Capabilities
The a7S III excels in video recording. It offers 10-bit 4K HDR (HLG) internal recording at up to 120 frames per second for smooth slow-motion effects and professional-looking cinematic footage. Additionally, the camera supports 16-bit RAW output for maximum flexibility in color grading.
Fast and Reliable Performance for Video and Photography
The a7S III is built for speed. It offers fast continuous shooting speeds of up to 10 frames per second with mechanical shutter for capturing fleeting moments and fast-paced action. The camera’s improved BIONZ X image processor contributes to fast image processing and overall responsiveness during both photography and videography.
Enhanced Autofocus System for Precise Focus Tracking
The a7S III features Sony’s advanced Fast Hybrid AF system with 759 phase-detection points covering a wide area of the frame. This system offers fast, accurate, and reliable autofocus performance, ensuring sharp focus on your subjects, even in low-light conditions.
Compact and Durable Design
Despite its powerful video capabilities, the a7S III maintains a relatively compact and lightweight design. It is built with a magnesium alloy body that is weather-sealed for protection against dust and moisture, making it a reliable companion for professional use in various environments.
Customizable Controls and User Experience
The a7S III features a high-resolution OLED electronic viewfinder and a fully-articulating touchscreen LCD monitor for comfortable framing and playback from different angles. The camera also includes customizable control buttons for a personalized shooting experience, particularly beneficial for videographers.
In Conclusion
The Sony Alpha a7S III is a unique and powerful mirrorless camera that prioritizes low-light performance and exceptional video capabilities. With its high ISO sensitivity, impressive video recording features, fast performance, and durable design, the a7S III is a compelling choice for professional and highly demanding videographers and photographers who require exceptional low-light capture and cinematic video production. It is important to note that due to its focus on video and low-light performance, the a7S III might not be the most suitable choice for photographers who prioritize high-resolution image capture.
Specifications
| Lens Mount | Sony E |
| Sensor Type | 35.6 x 23.8 mm (Full-Frame) CMOS |
| Sensor Resolution | Actual: 12.9 Megapixel Effective: 12.1 Megapixel (4240 x 2832) |
| Crop Factor | NaN |
| Aspect Ratio | 1:1, 3:2, 4:3, 16:9 |
| Image File Format | JPEG, Raw, HEIF |
| Bit Depth | 14-Bit |
| Image Stabilization | Sensor-Shift, 5-Axis |
| ISO Sensitivity | Auto, 80 to 102400 (Extended: 40 to 409600) |
| Shutter Speed | 1/8000 to 30 Second Bulb Mode |
| Metering Method | Center-Weighted Average, Highlight Weighted, Multiple, Spot |
| Exposure Modes | Aperture Priority, Manual, Program, Shutter Priority |
| Exposure Compensation | -5 to +5 EV (1/3 EV Steps) |
| Metering Range | -3 to 20 EV |
| White Balance | Auto, Cloudy, Color Temperature, Color Temperature Filter, Custom, Daylight, Flash, Fluorescent (Cool White), Fluorescent (Day White), Fluorescent (Daylight), Fluorescent (Warm White), Incandescent, Shade, Underwater |
| Continuous Shooting | Up to 10 fps at 12.1 MP for up to 1000 Frames (Raw) / 1000 Frames (JPEG) Up to 8 fps at 12.1 MP Up to 6 fps at 12.1 MP Up to 3 fps at 12.1 MP |
| Interval Recording | Yes |
| Self-Timer | 2/5/10-Second Delay |
| Recording Modes | H.265/XAVC HS 4:2:2 10-Bit UHD 4K (3840 x 2160) at 23.976p/25p/29.97p/50p/59.94p/100p/119.88p [50 to 280 Mb/s] H.265/XAVC HS 4:2:0 10-Bit UHD 4K (3840 x 2160) at 23.976p/25p/29.97p/50p/59.94p/100p/119.88p [30 to 200 Mb/s] H.264/XAVC S-I 4:2:2 10-Bit UHD 4K (3840 x 2160) at 23.976p/25p/29.97p/50p/59.94p [240 to 600 Mb/s] Full HD (1920 x 1080) at 23.976p/25p/29.97p/50p/59.94p [89 to 222 Mb/s] H.264/XAVC S 4:2:2 10-Bit UHD 4K (3840 x 2160) at 23.976p/25p/29.97p/50p/59.94p/100p/119.88p [100 to 280 Mb/s] Full HD (1920 x 1080) at 23.976p/25p/29.97p/50p/59.94p/100p/119.88p/200p/239.76p [50 Mb/s] H.264/XAVC S 4:2:0 8-Bit UHD 4K (3840 x 2160) at 23.976p/25p/29.97p/50p/59.94p/100p/119.88p [60 to 200 Mb/s] Full HD (1920 x 1080) at 23.976p/25p/29.97p/50p/59.94p/100p/119.88p/200p/239.76p [16 to 100 Mb/s] |
| External Recording Modes | Raw 16-Bit 4.2K (4264 x 2408) up to 59.94p 4:2:2 10-Bit UHD 4K (3840 x 2160) at 23.976p/25p/29.97p/50p/59.94p Full HD (1920 x 1080) at 23.976p/50p/59.94p Full HD (1920 x 1080) at 50i/59.94i 4:2:0 8-Bit UHD 4K (3840 x 2160) at 23.976p/25p/29.97p/50p/59.94p Full HD (1920 x 1080) at 23.976p/50p/59.94p Full HD (1920 x 1080) at 50i/59.94i |
| Recording Limit | Unlimited |
| Video Encoding | NTSC/PAL |
| Audio Recording | Built-In Microphone (Stereo) External Microphone Input |
| Audio File Format | AAC LC, AC3, Dolby Digital 2ch, Linear PCM (Stereo) |
| Live Streaming | Yes |
| Webcam Functionality | Yes |
| Focus Type | Auto and Manual Focus |
| Focus Mode | Continuous-Servo AF (C), Direct Manual Focus (DMF), Manual Focus (M), Single-Servo AF (S) |
| Autofocus Points | Phase Detection: 759 Contrast Detection: 425 |
| Autofocus Sensitivity | -6 to +20 EV |
| ISO Sensitivity | Auto, 80 to 102400 (Extended: 40 to 409600) |
| Shutter Speed | 1/8000 to 30 Second Bulb Mode |
| Metering Method | Center-Weighted Average, Highlight Weighted, Multiple, Spot |
| Exposure Modes | Aperture Priority, Manual, Program, Shutter Priority |
| Exposure Compensation | -5 to +5 EV (1/3 EV Steps) |
| Metering Range | -3 to 20 EV |
| White Balance | Auto, Cloudy, Color Temperature, Color Temperature Filter, Custom, Daylight, Flash, Fluorescent (Cool White), Fluorescent (Day White), Fluorescent (Daylight), Fluorescent (Warm White), Incandescent, Shade, Underwater |
| Continuous Shooting | Up to 10 fps at 12.1 MP for up to 1000 Frames (Raw) / 1000 Frames (JPEG) Up to 8 fps at 12.1 MP Up to 6 fps at 12.1 MP Up to 3 fps at 12.1 MP |
| Interval Recording | Yes |
| Self-Timer | 2/5/10-Second Delay |
| Viewfinder Type | Electronic (OLED) |
| Viewfinder Size | 0.64″ |
| Viewfinder Resolution | 9,437,184 Dot |
| Viewfinder Eye Point | 25 mm |
| Viewfinder Coverage | 1 |
| Viewfinder Magnification | Approx. 0.9x |
| Diopter Adjustment | -4 to +3 |
| Size | 3.0″ |
| Resolution | 1,440,000 Dot |
| Display Type | Articulating Touchscreen LCD |
| Built-In Flash | No |
| Flash Modes | Auto, Fill Flash, Hi-Speed Sync, Off, Rear Sync, Red-Eye Reduction, Slow Sync |
| Maximum Sync Speed | 1/250 Second |
| Flash Compensation | -3 to +3 EV (1/3, 1/2 EV Steps) |
| Dedicated Flash System | TTL |
| External Flash Connection | Hot Shoe |
| Media/Memory Card Slot | Dual Slot: CFexpress Type A / SD |
| Connectivity | HDMI A (Full Size), USB Type-C (USB 3.2 Gen 1), USB Micro-B (USB 2.0), 3.5mm Microphone, 3.5mm Headphone |
| Wireless | Wi-Fi Bluetooth |
| GPS | No |
| Operating Temperature | 32 to 104°F / 0 to 40°C |
| Battery | 1 x NP-FZ100 Rechargeable Lithium-Ion, 7.2 VDC, 2280 mAh (Approx. 600 Shots) |
| Dimensions (W x H x D) | 5.07 x 3.81 x 2.74″ / 128.9 x 96.9 x 69.7 mm |
| Weight | 1.35 lb / 614 g (Body Only) |
| Package Weight | 3.15 lb |
| Box Dimensions (LxWxH) | 9.6 x 6.1 x 5.6″ |