Sony α9
| Brand | Sony 2017 |
| Model | ILCE-9 |
| Released Year | 2017 |
| Type | Mirrorless Cameras |
| Series | Alpha |
| Compatible Mountings | Sony E |
| Autofocus | Yes |
| Photo Sensor Resolution | 24.2 MP |
| Video Resolution | 2160p |
| File Format | RAW |
| Status | Active |
Overview
The Sony α9 (model ILCE-9) is a professional-grade mirrorless camera released in 2017, featuring a 24.2-megapixel full-frame stacked CMOS sensor for ultra-fast readout speeds and high image quality. It incorporates a BIONZ X image processor that delivers impressive processing power and supports a blackout-free continuous shooting rate of up to 20 frames per second, critical for sports and wildlife photography. The camera features 693 phase-detection autofocus points covering approximately 93% of the frame, enhancing tracking and focusing speed. Additionally, it offers 4K video recording capabilities, advanced in-body image stabilization with 5-axis sensor-shift technology, and a high-resolution electronic viewfinder. The α9’s robust magnesium alloy body ensures durability while maintaining a lightweight design, making it a favored choice among professionals.
Connectivity options include built-in Wi-Fi, NFC, and Ethernet through a dedicated port for high-speed file transfers. The camera supports dual SD card slots with UHS-II compatibility for faster write speeds and extended storage. Advanced features such as real-time Eye AF, customizable buttons, and extensive lens compatibility via the Sony E-mount system round out the α9’s technical suite.
Specifications
| Built-In Media | Battery Charger, Tripod, Shoulder Strap, Battery, Body Cap, Eyecup, USB Cable |
| Are Batteries Included | Yes |
| External-Memory Size | 64 GB |
| UPC | 649661769538 |
| Item Height | 3.8 inches |
| Manufacturer | Sony |
| Warranty Description | 90 days limited warranty |
| Metering Methods | Evaluative |
| Exposure Control | Program, Aperture Priority, Shutter Priority, Manual |
| White Balance Settings | Auto |
| Screen Size | 3 Inches |
| Display Type | OLED, LCD |
| Dots Per Screen | 1.44m |
| Display Fixture Type | tilting |
| Touch Screen Type | Capacitive |
| Display Resolution Maximum | 24.2 MP |
| Has Color Screen | Yes |
| Flash Memory Type | SD |
| Memory Slots Available | 2 |
| Memory Storage Capacity | 64 GB |
| Write Speed | 300 MB/s |
| Flash Memory Speed Class | C10 (U1) |
| Flash Memory UHS Speed Class | UHS Speed Class 3 |
| Flash Memory Video Speed Class | 60 |
| Flash Memory Bus Interface Type | SD or SDHC |
| Aspect Ratio | 3:2 |
| File Format | RAW |
| Effective Still Resolution | 24.2 MP |
| JPEG Quality Level | Fine |
| Supported Image Format | RAW, JPEG |
| Total Still Resolution | 24.2 MP |
| Maximum Focal Length | 70 Millimeters |
| Lens Type | Standard Zoom |
| Zoom | [NU] |
| Camera Lens | Sony FE 24-70mm f/2.8 GM Lens |
| Minimum Focal Length | 24 Millimeters |
| Real Angle Of View | 26 Degrees |
| Focal Length Description | 70 millimeters |
| Number of Diaphragm Blades | 9 |
| Lens Construction | 12 elements in 9 groups |
| Connectivity Technology | USB |
| Wireless Technology | Bluetooth, Wi-Fi |
| Video Output | HDMI |
| Shooting Modes | [Some of] Common shooting modes (Portrait, Landscape, Sports, etc.) |
| Digital Scene Transition | |
| Digital-Still | Yes |
| Movie Mode | Yes |
| Image Capture Type | Stills & Video |
| Night vision | No |
| Auto Focus Technology | Contrast Detection |
| Focus Features | Autofocus |
| Autofocus Points | 693 |
| Focus Type | Auto Focus |
| Autofocus | Yes |
| Compatible Mountings | Sony E |
| Sensor Type | CMOS |
| Image stabilization | Sensor-shift |
| Photo Sensor Resolution | 24.2 MP |
| Photo Sensor Size | Full Frame (35mm) |
| Minimum Shutter Speed | 0.05 seconds |
| Form Factor | Mirrorless |
| Special Feature | Image Stabilization |
| Item Weight | 8.66 Pounds |
| Video Resolution | 2160p |
| Viewfinder | Electronic |
| Flash Modes | [Auto, On, Off, Slow Synch, Rear Curtain Synch] |
| Camera Flash | no flash |
| Skill Level | Professional |
| Specific Uses For Product | Photography, Videography |
| Continuous Shooting | 20 fps |
| Aperture modes | F2.8 |
| Viewfinder Magnification | 0.78x |
| Video Capture Format | 4k |
| Expanded ISO Maximum | 204800 |
| Audio Output Type | internal |
| Battery Cell Type | Lithium Ion |
| Processor Description | bionz x |
| Water Resistance Level | Water Resistant |
| Frame Rate | 24, 25, 30 FPS |
| Mount Type | Bayonet |
| Minimum Aperture | 2.8 |
| Warranty Type | 90 days limited warranty |
| Shutter Type | Electronic |
| Crop Factor | 1 |
Images
FAQ
What sensor does the Sony α9 use?
The Sony α9 uses a 24.2-megapixel full-frame stacked CMOS sensor that provides high-speed data readout and excellent image quality.
Does the Sony α9 support 4K video recording?
Yes, the Sony α9 supports 4K video recording using full pixel readout without pixel binning.
What autofocus system does the α9 feature?
The α9 features a hybrid autofocus system with 693 phase-detection autofocus points covering 93% of the image area for fast and accurate focusing.
Is there image stabilization in the Sony α9?
Yes, the α9 includes a 5-axis in-body image stabilization system that helps reduce camera shake for both photos and videos.
How fast can the Sony α9 shoot continuously?
The α9 can shoot at speeds up to 20 frames per second with a blackout-free electronic viewfinder.
What kind of memory cards does the α9 support?
It supports dual SD card slots, both UHS-II compatible, allowing for high-speed write performance and backup recording.
Is the Sony α9 still in production?
No, the Sony α9 has been discontinued and replaced by newer models in the Alpha series.
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