Quick facts
Full name: Sony Alpha a9
Original position: Camera; original market position is not yet verifiedProduction status: Production status not verified
Regional aliases
No verified regional aliases
Similar models to distinguish
D850Alpha a7R IIIEOS 6D Mark IIM10 (Typ 3656)
Editorial guidance, not a verified specificationWhy it is still searched
People still search for Sony Alpha a9 to verify its exact model, specifications, and place among comparable cameras.
Core specifications
- Release year
- 2017 · Released about 9 years ago
- Sensor
- 35.6 × 23.8 mm CMOS
- Effective resolution
- 24.2 MP
- Lens
- —
- Zoom
- —
- Weight
- 673 g
- Battery
- NP-FZ100 lithium-ion battery Li-ion battery
- Storage
- SD/SDHC/SDXC/MS PRO Duo
Editorial guidance, not a verified specification
Who it may suit
May suit photographers who need both stills and video, after checking autofocus, recording limits, and lens availability.
What to check before buying used
The checks below are editorial guidance. Verify the individual camera and seller information before buying.
- Inspect the body, screen, doors, seals, and tripod socket for impact or moisture damage.
- Test every button, dial, flash, screen, and viewfinder.
- Photograph a plain bright surface to check for sensor dust, dead pixels, or damage.
- Confirm the battery holds charge and that a compatible charger is included or available.
- Test a supported memory card and inspect the card slot for bent pins or read errors.
- Test video recording, microphones, stabilization, and the ports you expect to use.
Sensor metrics
- Diagonal
- 42.82 mm
- Surface area
- 847 mm²
- Pixel pitch
- 5.92 µm
- Pixel area
- 35.01 µm²
- Pixel density
- 2.86 MP/cm²
Actual sensor size
Rectangles use their physical proportions. Calibrate your display to approximate real-world size.
35.6 × 23.8 mm
Full specifications
Imaging
- Effective pixels
- 24.2 MP
- Total pixels
- 28.3 MP
- Sensor
- 35.6 × 23.8 mm CMOS
- Calculated resolution
- 6,017 × 4,022
- Maximum image
- 6,000 × 4,000
- Crop factor
- 1.01
Exposure & viewing
- ISO
- 50–204,800
- Viewfinder
- Electronic viewfinder
- Display
- 3 in / 1,440,000 dots
- Lens mount
- —
Video & storage
- Maximum video
- 3,840 × 2,160
- Storage media
- SD/SDHC/SDXC/MS PRO Duo
- Battery
- NP-FZ100 lithium-ion battery Li-ion battery
Body
- Weight
- 673 g
- Dimensions
- 126.9 × 95.6 × 63 mm
- Release year
- 2017
DigicamDB
- Aperture Priority
- Yes
- Battery
- NP-FZ100 lithium-ion battery
- Brand
- Sony
- Built In Flash
- —
- Crop Factor
- 1.01
- Depth Of Field
- simulate →
- Digital Zoom
- Yes
- Dimensions
- 126.9 x 95.6 x 63 mm
- Effective Megapixels
- 24.20
- Exposure Compensation
- ±5 EV (in 1/3 EV, 1/2 EV steps)
- External Flash
- ✓
- Focal Length 35mm Equiv
- —
- Gps
- —
- Hdmi
- ✓
- Iso
- Auto, 100-51200 (expandable to 50-204800)
- Macro Focus Range
- —
- Manual Focus
- ✓
- Max Aperture
- —
- Max Aperture 35mm Equiv
- n/a
- Max Image Resolution
- 6000 x 4000
- Max Shutter Speed
- 1/8000 sec
- Max Video Resolution
- 3840x2160 (30p/25p/24p)
- Metering
- Multi, Center-weighted, Highlight-weighted, Spot, Average
- Min Shutter Speed
- 30 sec
- Model
- Alpha a9
- Normal Focus Range
- —
- Optical Zoom
- —
- Raw Support
- ✓
- Screen Resolution
- 1,440,000 dots
- Screen Size
- 3"
- Sensor Resolution
- 6026 x 4017
- Sensor Size
- 35.6 x 23.8 mm
- Sensor Type
- CMOS
- Shutter Priority
- Yes
- Storage Types
- SD/SDHC/SDXC/MS PRO Duo
- Total Megapixels
- 28.30
- Usb
- USB 2.0 (480 Mbit/sec)
- Video Capture
- ✓
- Viewfinder
- Electronic
- Weight
- 673 g
- White Balance Presets
- 10
- Wireless
- ✓
- Year
- 2017
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