Sony Alpha 7R III
| Brand | Sony 2017 |
| Model | ILCE7RM3A/B |
| Released Year | 2017 |
| Type | Mirrorless Cameras |
| Series | a7R IIIA |
| Color | Black |
| Compatible Mountings | Sony E |
| Autofocus | Yes |
| Photo Sensor Resolution | 42.4 MP |
| Video Resolution | <ul><li>4320p</li><li>1080p</li></ul> |
| Optical Zoom | 1 x |
| File Format | <ul><li>JPEG, Raw</li><li>MP4</li></ul> |
| Status | Active |
Overview
The Sony Alpha 7R III (ILCE7RM3A/B) is a high-resolution full-frame mirrorless camera featuring a 42.4MP Exmor R CMOS sensor designed for exceptional image quality and detail. It employs the latest BIONZ X image processor and front-end LSI for improved processing speed and noise reduction, enabling up to 10 fps continuous shooting with silent shutter options.
Featuring 399 phase-detection AF points and 425 contrast AF points, it offers fast and accurate autofocus performance. The camera supports 5-axis in-body image stabilization, compensating for five types of camera shake for sharper images at slower shutter speeds.
The Alpha 7R III includes internal 4K video recording capabilities using full pixel readout without pixel binning, ensuring high-quality video output with enhanced color and detail. It also supports dual SD card slots for extensive storage and backup flexibility.
Connectivity options include USB 3.1 Gen1, HDMI output, Wi-Fi, and NFC, enabling efficient data transfer and remote control. The rear LCD screen is tiltable and has touch capability, improving the user interface experience.
With improved battery life using the NP-FZ100 battery pack, users can capture more shots per charge. The rugged magnesium alloy body offers durability while maintaining a compact and lightweight design suited for professional photographers.
Overall, the Sony Alpha 7R III combines advanced sensor technology, processing power, and versatile features, positioning it as a flagship mirrorless camera for demanding photographic applications.
Specifications
| Built-In Media |
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| Are Batteries Included | Yes |
| Remote Included | No |
| UPC |
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| Item Height |
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| Manufacturer | Sony |
| Warranty Description |
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| Metering Methods |
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| Exposure Control |
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| White Balance Settings |
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| Self Timer |
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| Crop Mode | Full-Frame |
| Screen Size | 3 Inches |
| Display Type | LCD |
| Dots Per Screen | 2,359,296 Dot |
| Display Fixture Type | Tilting |
| Display Resolution Maximum |
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| Has Color Screen | Yes |
| Flash Memory Type |
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| Memory Slots Available | 2 |
| Recording Capacity |
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| Flash Memory Speed Class |
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| Flash Memory UHS Speed Class |
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| Compatible Mountings | Sony E |
| Sensor Type |
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| Image stabilization |
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| Maximum Aperture | 4 f |
| Expanded ISO Minimum | 50 |
| Photo Sensor Resolution | 42.4 MP |
| Photo Sensor Size | Full Frame (35mm) |
| Maximum Shutter Speed | 30 seconds |
| Minimum Shutter Speed | 1/8000 seconds |
| Form Factor | Mirrorless |
| Special Feature |
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| Color | Black |
| Item Weight |
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| Video Resolution |
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| Viewfinder | Electronic |
| Flash Modes | Auto, Fill Flash, Hi-Speed Sync, Off, Rear Sync, Red-Eye Reduction, Slow Sync, Wireless |
| Camera Flash |
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| Skill Level | Professional |
| Specific Uses For Product |
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| Continuous Shooting | 10 fps |
| Viewfinder Magnification | 0.78x |
| Audio Input | Built-in microphone |
| Flash Sync Speed |
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| Video Capture Format |
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| Expanded ISO Maximum | 102400 |
| Battery Weight | 3 Ounces |
| Delay between shots | 0.1 seconds |
| Audio Output Type |
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| Battery Cell Type | Lithium Ion |
| Battery Type | Lithium Ion |
| Aspect Ratio |
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| File Format |
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| Effective Still Resolution | 42.4 MP |
| JPEG Quality Level |
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| Supported Image Format | JPEG, RAW |
| Bit Depth | 14 Bit |
| Total Still Resolution | 42.4 MP |
| Optical Zoom | 1 x |
| Lens Type | Wide Angle |
| Zoom | Digital Zoom |
| Minimum Focal Length | 1.25 Feet |
| Focal Length Description | 24-70 millimeters |
| Digital Zoom | 4 x |
| Number of Diaphragm Blades | 9 |
| Photo Filter Thread Size | 77 Millimeters |
| Lens Construction | 17 Elements in 14 Groups |
| Photo Filter Size | 77 Millimeters |
| Connectivity Technology |
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| Wireless Technology | Bluetooth, Wi-Fi |
| Video Output |
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| Total USB 2.0 Ports | 1 |
| Total USB 3.0 Ports | 1 |
| Total USB Ports |
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| Total Video Out Ports | 1 |
| Shooting Modes |
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| Digital-Still |
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| Movie Mode | Yes |
| Image Capture Type |
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| Night vision | No |
| Auto Focus Technology | Phase Detection, Contrast Detection |
| Focus Features |
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| Autofocus Points |
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| Focus Type |
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| Focus Mode |
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| Autofocus | Yes |
| Memory Storage Capacity | 64 GB |
| Write Speed | 10 fps |
| Flash Memory Video Speed Class | U3 |
| Flash Memory Bus Interface Type | UHS-I |
| Compatible Devices | Desktop |
| Aperture modes | Aperture Priority |
| Processor Description | BIONZ X Image Processor |
| Water Resistance Level | Not Water Resistant |
| Frame Rate | 30 FPS |
| Battery Capacity | 2.28E+3 Milliamp Hours |
| Mount Type | none or NA |
| Microphone Technology | Stereo |
| Warranty Type | 90 days limited warranty |
| Digital Scene Transition |
Images
FAQ
What sensor does the Sony Alpha 7R III use?
It uses a 42.4 megapixel full-frame Exmor R CMOS sensor.
Does the Sony Alpha 7R III support 4K video recording?
Yes, it supports internal 4K UHD video recording with full pixel readout and no pixel binning.
What image stabilization system does the camera have?
The camera features a 5-axis in-body image stabilization system to reduce camera shake.
Is there dual memory card support on this model?
Yes, it has dual SD card slots allowing simultaneous recording or overflow storage.
What kind of autofocus system is implemented?
It has 399 phase-detection and 425 contrast-detection autofocus points for fast and precise focusing.
What battery does the Alpha 7R III use, and how is battery life?
It uses the NP-FZ100 rechargeable battery which offers substantially improved battery life compared to previous models.
Is the Sony Alpha 7R III still in production?
As of now, it is not officially discontinued but newer models have been released offering updated features.
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