Sony A7SIII 4K60p 12MP Mirrorless Camera Body
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- 4K60p 4:2:2 16-bit RAW output
- 12MP Exmor R BSI CMOS
- UHD 4K 120p video recording and internal 10-bit 4:2:2
- 10 fps continuous shooting
- 3.0" 1.44m-dot vari-angle articulating

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The Sony Alpha A7SIII is a full-frame mirrorless camera with 12.1MP Exmor R BSI CMOS sensor and updated BIONZ XR image processor that offers faster performance, improved noise reduction, a wider dynamic range and UHD 4K 120p video recording and internal 10-bit 4:2:2 sampling.
Sony’s Video featured A7SIII has improvements to the sensor and processor to 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.
Recording time limits have been removed, while incorporating HLG for direct HDR production as well as S-Log2/S-Log3 gamma profiles for advanced HDR production with editing.
The updated sensor design also brings improved autofocus performance via 759 phase-detection points.
Intelligent subject tracking and Real-time Eye AF to ensure critical focus on moving subjects in all recording modes.
Expanded range from ISO 40-409600, as well as fast 10 fps continuous shooting for up to 1000 consecutive raw frames.
5-axis SteadyShot INSIDE sensor-shift image stabilization which minimizes the appearance of camera shake by up to 5.5 stops.
The rear LCD with a side-open articulating design and an impressive 9.44m-dot OLED electronic viewfinder.
Featuring dual memory card slots, both support working with CFexpress Type A or SD UHS-II memory cards for flexible and high-speed file storage.
The high-speed, 120 fps recording also enables 4x and 5x slow-motion movie recording with the frame rate playback set to either 30p or 24p.
If moving down to Full HD resolution, an effective 240p frame rate is also available for even greater motion control. structure to promote longer possible recording times
Dual memory card slots both accept either CFexpress Type A or SD-type memory cards.
Imaging
| Lens Mount | Sony E |
| Camera Format | Full-Frame (1x Crop Factor) |
| Pixels | Actual: 12.9 Megapixel Effective: 12.1 Megapixel |
| Maximum Resolution | 4240 x 2832 |
| Aspect Ratio | 1:1, 3:2, 4:3, 16:9 |
| Sensor Type | CMOS |
| Sensor Size | 35.6 x 23.8 mm |
| Image File Format | JPEG, Raw, HEIF |
| Bit Depth | 14-Bit |
| Image Stabilization | Sensor-Shift, 5-Axis |
Exposure Control
| 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 |
Video
| 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 [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 [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
| 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 |
Viewfinder and Monitor
| Viewfinder Type | Electronic (OLED) |
| Viewfinder Size | 0.64″ |
| Viewfinder Resolution | 9,437,184 Dot |
| Viewfinder Eye Point | 25 mm |
| Viewfinder Coverage | 100% |
| Viewfinder Magnification | Approx. 0.9x |
| Diopter Adjustment | -4 to +3 |
| Monitor Size | 3″ |
| Monitor Resolution | 1,440,000 Dot |
| Monitor Type | Articulating Touchscreen LCD |
Flash
| 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 |
Interface
| 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 |
Environmental
| Operating Temperature | 0 to 40°C |
Physical
| Battery | 1 x NP-FZ100 Rechargeable Lithium-Ion, 7.2 VDC, 2280 mAh (Approx. 600 Shots) |
| Dimensions (W x H x D) | 128.9 x 96.9 x 69.7 mm |
| Weight | 614 g (Body Only) |
- Sony A7SIII Mirrorless Camera
- Rechargeable Battery NP-FZ100
- Battery Charger BC-QZ1
- Power cord
- Cable Protector
- Shoulder strap
- Body cap
- Accessory shoe cap
- Eyepiece cup
- USB-A to USB-C cable (USB 3.2)
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