Next Level Speed
The second generation of speed, the Sony a9 II takes the impressive feature-set of its predecessor and adds enhanced connectivity, a refined body design, and even quicker performance. Utilizing the proven 24.2MP full-frame Exmor RS BSI stacked CMOS sensor and an updated BIONZ X processor, the a9 II sports especially quick and responsive shooting capabilities. And the updated construction now sports a more ergonomic shape, improved weather sealing, and better connectivity and transfer speeds.
Exmor RS BSI Stacked Sensor and BIONZ X Image Processor
24.2MP Full-Frame Stacked CMOS Sensor
Built for speed, the a9 II utilizes a 24.2MP Exmor RS BSI stacked CMOS sensor, along with an updated BIONZ X image processor, that yields impressively quick and responsive performance. Up to 20 fps continuous shooting is possible using an electronic shutter or 10 fps shooting is supported with a mechanical shutter. The sensor's back-illuminated design also affords high sensitivity to an extended ISO 204800 with reduced noise for clean image quality in a variety of lighting conditions. Additionally, uncompressed raw files can be recorded in 14-bit for greater color fidelity and post-production flexibility.
BIONZ X Processing and Electronic Shutter
The BIONZ X processor also works in conjunction with a high-speed front-end LSI to realize faster processing times along with a wide dynamic range with smooth tonal rendering. Benefitting the fast recording capabilities is an equally quick AF/AE metering system that functions at 60 times per second to continuously evaluate the scene in order to lock onto and track moving subjects. Automatic anti-flicker shooting also recognizes and times the shutter action to minimize the flicker effect for more consistent results on still images. Additionally, due to the use of an electronic shutter, totally blackout-free monitoring is possible with the electronic viewfinder for more accurate compositions of moving subjects.
Autofocus and Image Stabilization
Fast Hybrid AF System
Covering 93% of the image area, a Fast Hybrid AF system incorporates 693 phase-detection points along with 425 contrast-detection areas for quick and precise focusing in a variety of lighting conditions with sensitivity down to -3 EV. The density of focusing points from this hybrid AF system also enables High-density Tracking AF Technology, which is adept at tracking moving subjects in a variety of lighting conditions. Updated AF algorithms also benefit maintaining critical focus on erratically or unpredictably moving subjects.
5-Axis SteadyShot INSIDE Image Stabilization
The a9 II incorporates an enhanced 5.5-stop effective 5-axis SteadyShot INSIDE image stabilization system, which compensates for five different types of camera shake encountered during handheld shooting of stills and video. This allows users to confidently use any lens, even adapted lenses, for critical imaging without encountering blur from camera shake.
For long focal lengths, the system will correct for pitch and yaw adjustments. Macro and high-magnification imagery, on the other hand, will benefit from the inclusion of horizontal and vertical shift compensation. All shooting styles will get usage out of the roll compensation. All 5 axes of stabilization will function at all times, even when used with third-party lenses and adapters or lenses with built-in optical stabilization.
UHD 4K Video Recording in XAVC S Format
Internal recording of UHD 4K movies is possible in multiple frame rates up to 30 fps and, based on the Super35mm recording area and effective 6K resolution, oversampling renders greater detail and full pixel readout is possible, that is void of pixel binning, for higher quality imagery with reduced moiré and aliasing. Full-frame 4K recording has also been dramatically improved for improved quality when working at mid to high sensitivities to permit full use of the entire sensor width. Full HD 1080p recording is also supported in frame rates up to 120 fps, and both resolutions utilize the 100 Mbps XAVC S format contained within an MP4 wrapper with 4:2:0 sampling. The high-speed, 120 fps recording also enables 4x and 5x slow-motion movie recording with the frame rate set to either 30p or 24p. In addition to high-resolution internal recording, uncompressed HDMI output also enables the use of an optional external recorder for clean 4K recording with 4:2:2 sampling.
Refined Body Design
Connectivity
Imaging
Lens Mount | Sony E |
Sensor Resolution | Actual: 28.3 Megapixel Effective: 24.2 Megapixel (6000 x 4000) |
Sensor Type | 35.6 x 23.8 mm (Full-Frame) CMOS |
Image Stabilization | Sensor-Shift, 5-Axis |
Built-In ND Filter | None |
Capture Type | Stills & Video |
Exposure Control
Shutter Type | Electronic Shutter, Mechanical Focal Plane Shutter |
Shutter Speed | Mechanical Shutter 1/8000 to 30 Seconds Electronic Shutter 1/32000 to 30 Seconds |
Bulb/Time Mode | Bulb Mode |
ISO Sensitivity | Photo 100 to 51,200 (Extended: 50 to 204,800) Video 100 to 51,200 (Extended: 100 to 102,400) |
Metering Method | Center-Weighted Average, Highlight Weighted, Multi-Zone, Spot |
Exposure Modes | Aperture Priority, Manual, Program, Shutter Priority |
Exposure Compensation | -5 to +5 EV (1/3, 1/2 EV Steps) |
Metering Range | -3 to 20 EV |
White Balance | Presets: Auto, Cloudy, Color Temperature, Custom, Daylight, Flash, Fluorescent (Cool White), Fluorescent (Day White), Fluorescent (Daylight), Fluorescent (Warm White), Incandescent, Shade, Underwater |
Continuous Shooting | Up to 20 fps at 24.2 MP for up to 239 Frames (Raw) / 361 Frames (JPEG) Up to 10 fps at 24.2 MP for up to 239 Frames (Raw) / 361 Frames (JPEG) |
Interval Recording | Yes |
Self-Timer | 2/5/10-Second Delay |
Still Image Capture
Image Sizes | 3:2 Raw 6000 x 4000 4:3 Raw 5328 x 4000 16:9 Raw 6000 x 3376 1:1 Raw 4000 x 4000 3:2 JPEG 6000 x 4000 3936 x 2624 3008 x 2000 4:3 JPEG 5328 x 4000 3488 x 2624 2656 x 2000 16:9 JPEG 6000 x 3376 3936 x 2216 3008 x 1688 1:1 JPEG 4000 x 4000 2624 x 2624 |
Aspect Ratio | 1:1, 3:2, 4:3, 16:9 |
Image File Format | JPEG, Raw |
Bit Depth | 14-Bit |
Internal Recording Modes | XAVC S UHD 4K (3840 x 2160) at 24.00/25/29.97 fps [60 to 100 Mb/s] 1920 x 1080p at 24.00/25/29.97/50/59.94/100/ fps [50 to 100 Mb/s] AVCHD 1920 x 1080i at 50/59.94 fps [17 to 24 Mb/s] |
External Recording Modes | 4:2:2 8-Bit via HDMI UHD 4K (3840 x 2160) at 23.98/24.00/25/29.97 fps 1920 x 1080p at 23.98/24.00/50/59.94 fps 1920 x 1080i at 50/59.94 fps |
Broadcast Output | NTSC/PAL |
IP Streaming | None |
Built-In Microphone Type | Stereo |
Audio Recording | AVCHD: 2-Channel AC-3 Audio XAVC S: 2-Channel LPCM Audio |
Interface
Media/Memory Card Slot | Dual Slot: SD/SDHC/SDXC (UHS-II) |
Video I/O | 1 x Micro-HDMI Output |
Audio I/O | 1 x 1/8" / 3.5 mm TRS Stereo Headphone Output 1 x 1/8" / 3.5 mm TRS Stereo Microphone Input |
Power I/O | 1 x USB-C Input/Output |
Other I/O | 1 x Sony Multi/Micro-USB Input/Output (Shared with Remote Input) 1 x USB-C (USB 3.2 / 3.1 Gen 1) Input/Output (Shared with Power Input) 1 x PC Sync Socket Output 1 x RJ45 |
Wireless | Wi-Fi, Bluetooth |
Global Positioning (GPS, GLONASS, etc.) | None |
Monitor
Size | 3.0" |
Resolution | 1,440,000 Dot |
Display Type | Tilting Touchscreen LCD |
Viewfinder
Type | Built-In Electronic (OLED) |
Size | 0.5" |
Resolution | 3,686,400 Dot |
Eye Point | 23 mm |
Coverage | 100% |
Magnification | Approx. 0.78x |
Diopter Adjustment | -4 to +3 |
Focus
Focus Type | Auto and Manual Focus |
Focus Mode | Continuous-Servo AF, Direct Manual Focus, Manual Focus, Single-Servo AF |
Autofocus Points | Phase Detection: 693 Contrast Detection: 425 |
Autofocus Sensitivity | -3 to +20 EV |
Flash
Built-In Flash | No |
Flash Modes | Auto, Fill Flash, Hi-Speed Sync, Off, Rear Sync, Red-Eye Reduction, Slow Sync, Wireless |
Maximum Sync Speed | 1/250 Second |
Flash Compensation | -3 to +3 EV (1/3, 1/2 EV Steps) |
Dedicated Flash System | P-TTL |
External Flash Connection | Intelligent Hot Shoe, PC Terminal |
Environmental
Operating Temperature | 32 to 104°F / 0 to 40°C |
General
Battery Type | 1 x NP-FZ100 Rechargeable Lithium-Ion, 7.2 VDC, 2280 mAh (Approx. 500 Shots) |
Tripod Mounting Thread | 1 x 1/4"-20 Female (Bottom) |
Accessory Mount | 1 x Hot Shoe Mount |
Material of Construction | Magnesium Alloy |
Dimensions (W x H x D) | 5.07 x 3.8 x 3.05" / 128.9 x 96.4 x 77.5 mm |
Weight | 1.49 lb / 678 g (With Battery, Recording Media) |