
Sony A9
Brand | Sony 2019 |
Model | a9 II |
Released Year | 2019 |
Type | Mirrorless Cameras |
Series | a9 |
Color | Black |
Compatible Mountings | Sony E |
Autofocus | Yes |
Photo Sensor Resolution | 24.2 MP |
Video Resolution | 4K UHD (3840 x 2160) up to 30p, Full HD up to 120p |
File Format | JPEG, RAW |
Status | Active |
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Overview
The Sony a9 II is a professional-grade full-frame mirrorless camera that builds upon the foundation of its predecessor with enhanced processing power and connectivity options. It features a 24.2-megapixel stacked Exmor RS CMOS sensor that enables fast readout speeds for blackout-free continuous shooting at up to 20 frames per second. The BIONZ X image processor, combined with a front-end LSI, optimizes high-speed data processing and reduces distortion. The autofocus system employs 693 phase-detection AF points with 425 contrast-detection points, delivering high precision and tracking capabilities, especially for fast-moving subjects. Additionally, the camera includes 5-axis in-body image stabilization that compensates up to 5 stops, enhancing handheld shooting performance. Designed for professional workflows, the a9 II offers dual UHS-II SD card slots and improved network connectivity via a 1000BASE-T Ethernet port and built-in Wi-Fi for rapid file transfer and remote control.
Specifications
Age Range Description | Adult |
Built-In Media | Tripod |
Are Batteries Included | No |
Remote Included | No |
Series Number | 2 |
Metering Methods | Evaluative |
Exposure Control | Program (P), Aperture Priority (Av or A), Shutter Priority (Tv or S), Manual (M), Automatic (Auto) |
White Balance Settings | Auto |
Self Timer | 1E+1 seconds |
Crop Mode | 3:2 |
Display Type | LCD |
Dots Per Screen | 24 MP |
Display Fixture Type | Tilting |
Display Resolution Maximum | 24.2 MP |
Has Color Screen | Yes |
Flash Memory Type | SDXC |
Write Speed | 30 fps |
Flash Memory Speed Class | UHS Speed Class 3 or higher |
Flash Memory UHS Speed Class | U3 |
Flash Memory Bus Interface Type | SD bus interface |
Compatible Mountings | Sony E |
Sensor Type | Exmor RS CMOS stacked sensor |
Image stabilization | Digital |
Photo Sensor Resolution | 24.2 MP |
Photo Sensor Size | Full Frame (35mm) |
Minimum Shutter Speed | 0.00025 seconds |
Form Factor | Mirrorless |
Special Feature | Live View |
Color | Black |
Video Resolution | 4K UHD (3840 x 2160) up to 30p, Full HD up to 120p |
Viewfinder | 0.5-inch 3.68M dot OLED electronic viewfinder |
Flash Modes | Auto, On, Off, Slow Sync, Rear Curtain |
Camera Flash | F2.8 |
Skill Level | Professional |
Specific Uses For Product | Sports photography, Photojournalism |
Compatible Devices | Devices with Sony E mount compatibility and SDXC card reader with UHS Speed Class 3 or higher |
Aperture modes | F2.8 |
Viewfinder Magnification | 0.25x |
Flash Sync Speed | 1/4000 |
Video Capture Format | MP4 |
Expanded ISO Maximum | 25600 |
Audio Output Type | Headphones |
Battery Type | Lithium Ion |
Water Resistance Level | Not Water Resistant |
Frame Rate | 30 FPS |
Mount Type | Tripod |
Minimum Aperture | 2.8 |
Warranty Type | Limited |
Shutter Type | Focal Plane Shutter |
Crop Factor | 1 |
Aspect Ratio | 3:2 |
File Format | JPEG, RAW |
Effective Still Resolution | 24.2 MP |
JPEG Quality Level | Fine |
Supported Image Format | JPEG, RAW |
Maximum Image Size | 24 MP |
Total Still Resolution | 24.2 MP |
Maximum Focal Length | 35 Millimeters |
Lens Type | Telephoto |
Zoom | Optical Zoom |
Camera Lens | FE 70-200mm f/2.8 GM OSS Lens: A G Master telephoto zoom lens with a focal length range of 70-200mm, featuring Optical SteadyShot image stabilization for sharp images, even in low light. Known for its extraordinary sharpness and smooth bokeh, this lens is ideal for capturing distant subjects with a constant maximum aperture of f/2.8. |
Minimum Focal Length | 7E+1 Millimeters |
Lens Correction Type | Chromatic Aberration, Diffraction, Peripheral Illumination |
Focal Length Description | 35.0 millimeters |
Number of Diaphragm Blades | 9 |
Lens Construction | [~] 15 elements; ~10 groups |
Connectivity Technology | USB |
Wireless Technology | Wi-Fi |
Shooting Modes | Sports |
Digital Scene Transition | False |
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 phase-detection AF, 425 contrast AF points |
Focus Type | Auto Focus |
Focus Mode | Continuous-Servo AF (AF-C) |
Autofocus | Yes |
Release Year | 2019 |
Sensor Size | 35.6 x 23.8 mm (Full-frame) |
Megapixels | 24.2 effective megapixels |
Image Processor | BIONZ X with front-end LSI |
ISO Sensitivity | ISO 100-51200 (expandable to 50-204800) |
Autofocus System | Fast hybrid AF with Real-time Eye AF and tracking |
Continuous Shooting Speed | Up to 20 fps with autofocus and exposure tracking |
Image Stabilization | 5-axis in-body image stabilization (up to 5 stops) |
Display | 3.0-inch tilting LCD with 1.44M dots |
Storage Media | Dual SD card slots (UHS-II compatible) |
Connectivity | Wi-Fi (2.4/5 GHz), Bluetooth 5.0, USB Type-C, HDMI Type-A, 1000BASE-T Ethernet |
Battery | NP-FZ100 rechargeable battery |
Dimensions | 128.9 x 96.4 x 77.5 mm |
Weight | Approximately 678 grams (body only) |
Body Material | Magnesium alloy with dust and moisture resistance |
Images
Key Advantages
The Sony a9 II excels in speed and reliability, providing up to 20fps blackout-free shooting ideal for sports and action photography. Its advanced autofocus system offers extensive coverage and precise tracking, significantly improving subject acquisition and retention. The 5-axis in-body image stabilization allows for sharper images in low-light and handheld scenarios. Enhanced connectivity features like Ethernet and Wi-Fi streamline professional workflow and quick file sharing. Dual UHS-II SD card slots support simultaneous backup or extended shooting sessions. The camera's durable magnesium alloy body with weather sealing ensures robustness in challenging environments.
Limitations
The Sony a9 II has a relatively high price point, making it less accessible for hobbyists or entry-level users. While it offers 24.2MP resolution, some competitors provide higher megapixel counts for larger print requirements. The menu system can be complex and may require time to master for new users. Battery life, though improved over previous models, may demand carrying extra batteries during extended shoots. The absence of a built-in flash limits flexibility in some lighting conditions. Additionally, the camera’s interface and controls, while extensive, may overwhelm photographers transitioning from simpler DSLR models.
FAQ
What is the sensor size of the Sony a9 II?
The Sony a9 II features a 35.6 x 23.8 mm full-frame stacked Exmor RS CMOS sensor.
Does the Sony a9 II support 4K video recording?
Yes, the Sony a9 II records 4K UHD video at up to 30 frames per second.
How fast can the Sony a9 II shoot continuously?
It can shoot up to 20 frames per second with full autofocus and auto exposure.
What autofocus system does the Sony a9 II use?
The camera uses a hybrid AF system with 693 phase-detection points and 425 contrast-detection points.
What types of memory cards are compatible with the Sony a9 II?
It supports SD/SDHC/SDXC cards with UHS-II compatibility in both dual card slots.
Is the Sony a9 II weather-sealed?
Yes, it features a magnesium alloy body with sealing to protect against dust and moisture.
What connectivity options are available on the Sony a9 II?
Connectivity includes built-in Wi-Fi, Bluetooth, USB Type-C, HDMI output, and a 1000BASE-T Ethernet port.
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