Sony A9 image

Sony A9

Quick information
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
Quick view

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

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.

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