| Model Name | Sony a7S III Mirrorless Camera |
| Lens Mount | Sony E |
| Sensor Resolution | Actual: 12.9 Megapixel |
| Effective: 12.1 Megapixel (4240 x 2832) | |
| Image Sensor | 35.6 x 23.8 mm (Full-Frame) CMOS |
| Image Stabilization | Sensor-Shift, 5-Axis |
| ISO Sensitivity Range | Photo |
| 80 to 102,400 (Extended: 40 to 409,600) | |
| Video | |
| 80 to 102,400 (Extended: 80 to 409,600) | |
| 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 | |
| Internal Recording Modes | H.265/XAVC HS 4:2:2 10-Bit |
| UHD 4K (3840 x 2160) at 23.98/50/59.94/100/120 fps [50 to 280 Mb/s] | |
| H.265/XAVC HS 4:2:0 10-Bit | |
| UHD 4K (3840 x 2160) at 23.98/50/59.94/100/120 fps [30 to 200 Mb/s] | |
| H.264/XAVC S-I 4:2:2 10-Bit | |
| UHD 4K (3840 x 2160) at 23.98/25/29.97/50/59.94 fps [240 to 600 Mb/s] | |
| 1920 x 1080p at 23.98/25/29.97/50/59.94 fps [89 to 222 Mb/s] | |
| H.264/XAVC S 4:2:2 10-Bit | |
| UHD 4K (3840 x 2160) at 23.98/25/29.97/50/59.94/100/120 fps [100 to 280 Mb/s] | |
| 1920 x 1080p at 23.98/25/29.97/50/59.94 fps [50 Mb/s] | |
| H.264/XAVC S 4:2:0 8-Bit | |
| UHD 4K (3840 x 2160) at 23.98/25/29.97/50/59.94/100/120 fps [60 to 200 Mb/s] | |
| 1920 x 1080p at 23.98/25/29.97/50/59.94/100/120/200/240 fps [16 to 100 Mb/s] | |
| External Recording Modes | Raw 16-Bit via HDMI |
| 4264 x 2408 at 23.98/25/29.97/50/59.94 fps | |
| 4:2:2 10-Bit via HDMI | |
| UHD 4K (3840 x 2160) at 23.98/25/29.97/50/59.94 fps | |
| 1920 x 1080p at 23.98/50/59.94 fps | |
| 1920 x 1080i at 50/59.94 fps | |
| 4:2:0 8-Bit via HDMI | |
| UHD 4K (3840 x 2160) at 23.98/25/29.97/50/59.94 fps | |
| 1920 x 1080p at 23.98/50/59.94 fps | |
| 1920 x 1080i at 50/59.94 fps | |
| Media/Memory Card Slot | Dual Slot: CFexpress Type A / SD (UHS-II) |
| Video I/O | 1x HDMI (Unspecified Signal) Output |
| Audio I/O | 1x 1/8 / 3.5 mm TRS Stereo Microphone Input |
| 1x 1/8 / 3.5 mm TRS Stereo Headphone Output | |
| Power I/O | 1x USB-C Input |
| Other I/O | 1x USB-C (USB 3.2 / 3.1 Gen 1) Data Input/Output (Shared with Power Input) |
| 1x Sony Multi/Micro-USB Control | |
| Wireless | Wi-Fi 4 (802.11n), Bluetooth 5.0, NFC |
| Display Type | Articulating Touchscreen LCD |
| Battery Type | 1x NP-FZ100 Rechargeable Lithium-Ion, 7.2 VDC, 2280 mAh (Approx. 510 Shots) |
| Imaging | |
| Lens Mount | Sony E |
| Sensor Resolution | Actual: 12.9 Megapixel |
| Effective: 12.1 Megapixel (4240 x 2832) | |
| Image Sensor | 35.6 x 23.8 mm (Full-Frame) CMOS |
| Sensor Crop (35mm Equivalent) | Crop Factor: 1x |
| Additional Modes: 1.5x | |
| *Additional Crop Occurs in Select Video Modes | |
| Image Stabilization | Sensor-Shift, 5-Axis |
| Built-In ND Filter | No |
| Capture Type | Stills & Video |
| Exposure Control | |
| Shutter Type | Mechanical Focal Plane Shutter and Electronic Rolling Shutter |
| Shutter Speed | 1/8000 to 30 Seconds |
| 1/8000 to 1/4 Second in Movie Mode | |
| Bulb/Time Mode | Bulb Mode |
| ISO Sensitivity Range | Photo |
| 80 to 102,400 (Extended: 40 to 409,600) | |
| Video | |
| 80 to 102,400 (Extended: 80 to 409,600) | |
| 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 | 2500 to 9900K |
| Presets: ATW, AWB, Auto, Cloudy, Color Temperature, Color Temperature Filter, Custom, Daylight, Flash, Fluorescent, 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 |
| Still Image Capture | |
| Image Sizes | 3:2 Raw |
| 12 MP (4240 x 2832) | |
| 4:3 Raw | |
| 11 MP (3776 x 2832) | |
| 16:9 Raw | |
| 10 MP (4240 x 2384) | |
| 1:1 Raw | |
| 8 MP (2832 x 2832) | |
| 3:2 JPEG | |
| 12 MP (4240 x 2832) | |
| 5.1 MP (2768 x 1848) | |
| 3 MP (2128 x 1416) | |
| 4:3 JPEG | |
| 11 MP (3776 x 2832) | |
| 4.6 MP (2464 x 1848) | |
| 2.7 MP (1888 x 1416) | |
| 16:9 JPEG | |
| 10 MP (4240 x 2384) | |
| 4.3 MP (2768 x 1560) | |
| 2.6 MP (2128 x 1200) | |
| 1:1 JPEG | |
| 8 MP (2832 x 2832) | |
| 3.4 MP (1840 x 1840) | |
| 2 MP (1408 x 1408) | |
| Aspect Ratio | 1:1, 3:2, 4:3, 16:9 |
| Image File Format | HEIF, JPEG, Raw |
| Bit Depth | 14-Bit |
| Video Capture | |
| Internal Recording Modes | H.265/XAVC HS 4:2:2 10-Bit |
| UHD 4K (3840 x 2160) at 23.98/50/59.94/100/120 fps [50 to 280 Mb/s] | |
| H.265/XAVC HS 4:2:0 10-Bit | |
| UHD 4K (3840 x 2160) at 23.98/50/59.94/100/120 fps [30 to 200 Mb/s] | |
| H.264/XAVC S-I 4:2:2 10-Bit | |
| UHD 4K (3840 x 2160) at 23.98/25/29.97/50/59.94 fps [240 to 600 Mb/s] | |
| 1920 x 1080p at 23.98/25/29.97/50/59.94 fps [89 to 222 Mb/s] | |
| H.264/XAVC S 4:2:2 10-Bit | |
| UHD 4K (3840 x 2160) at 23.98/25/29.97/50/59.94/100/120 fps [100 to 280 Mb/s] | |
| 1920 x 1080p at 23.98/25/29.97/50/59.94 fps [50 Mb/s] | |
| H.264/XAVC S 4:2:0 8-Bit | |
| UHD 4K (3840 x 2160) at 23.98/25/29.97/50/59.94/100/120 fps [60 to 200 Mb/s] | |
| 1920 x 1080p at 23.98/25/29.97/50/59.94/100/120/200/240 fps [16 to 100 Mb/s] | |
| External Recording Modes | Raw 16-Bit via HDMI |
| 4264 x 2408 at 23.98/25/29.97/50/59.94 fps | |
| 4:2:2 10-Bit via HDMI | |
| UHD 4K (3840 x 2160) at 23.98/25/29.97/50/59.94 fps | |
| 1920 x 1080p at 23.98/50/59.94 fps | |
| 1920 x 1080i at 50/59.94 fps | |
| 4:2:0 8-Bit via HDMI | |
| UHD 4K (3840 x 2160) at 23.98/25/29.97/50/59.94 fps | |
| 1920 x 1080p at 23.98/50/59.94 fps | |
| 1920 x 1080i at 50/59.94 fps | |
| Fast-/Slow-Motion Support | Yes |
| Gamma Curve | HDR-HLG, Sony S-Log 2, Sony S-Log 3 |
| Recording Limit | No |
| IP Streaming | No |
| Built-In Microphone | Stereo |
| Audio Recording | XAVC: 2-Channel 16-Bit 48 kHz LPCM Audio |
| MP4: 2-Channel AAC Audio | |
| Interface | |
| Media/Memory Card Slot | Dual Slot: CFexpress Type A / SD (UHS-II) |
| Video I/O | 1x HDMI (Unspecified Signal) Output |
| Audio I/O | 1x 1/8 / 3.5 mm TRS Stereo Microphone Input |
| 1x 1/8 / 3.5 mm TRS Stereo Headphone Output | |
| Power I/O | 1x USB-C Input |
| Other I/O | 1x USB-C (USB 3.2 / 3.1 Gen 1) Data Input/Output (Shared with Power Input) |
| 1x Sony Multi/Micro-USB Control | |
| Wireless | Wi-Fi 4 (802.11n), Bluetooth 5.0, NFC |
| Mobile App Compatible | Yes: Android & iOS |
| App Name: Imaging Edge Mobile | |
| Functionality: Access Stored Files, Adjust Settings, Remote Control | |
| Global Positioning (GPS, GLONASS, etc.) | GPS |
| *Via Connected Smartphone | |
| Monitor | |
| Display Size | 3.0 |
| Resolution | 1,440,000 Dot |
| Display Type | Articulating Touchscreen LCD |
| Viewfinder | |
| Type | Built-In Electronic (OLED) |
| Size | 0.64 |
| Resolution | 9,437,184 Dot |
| Eye Point | 25 mm |
| Coverage | 1 |
| Magnification | Approx. 0.9x |
| Diopter Adjustment | -4 to +3 |
| Focus | |
| Focus Type | Auto and Manual Focus |
| Focus Mode | Continuous-Servo AF, Direct Manual Focus, Manual Focus, Single-Servo AF |
| Autofocus Points | Phase Detection: 759 |
| Contrast Detection: 425 | |
| Autofocus Sensitivity | -6 to +20 EV |
| Flash | |
| Built-In Flash/Light | 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 | Shoe Mount |
| Environmental | |
| Operating Temperature | 32 to 104°F / 0 to 40°C |
| Storage Temperature | -4 to 131°F / -20 to 55°C |
| General | |
| Battery Type | 1x NP-FZ100 Rechargeable Lithium-Ion, 7.2 VDC, 2280 mAh (Approx. 510 Shots) |
| Shoe Mount | 1x Intelligent Hot Shoe |
| Tripod Mounting Thread | 1x 1/4-20 Female (Bottom) |
| Dimensions (W x H x D) | 5.1 x 3.8 x 3.2 / 128.9 x 96.9 x 80.8 mm |
| Weight | 1.5 lb / 699 g (With Battery, Recording Media) |
| 1.35 lb / 614 g (Body Only) | |
| Packaging Info | |
| Package Weight | 3.12 lb |
| Box Dimensions (LxWxH) | 10 x 6.1 x 5.6 |