First introduced in April, 2017, Sony Alpha A9 is a 24 MP Mirrorless with a Full frame (35.6 x 23.8 mm) sized BSI-CMOS sensor.
Sony replaced Alpha A9 with Sony A9 II. Follow the link to read our detailed comparison of these models:Compare Sony A9 with Sony A9 II
Sony A9 comes with a Full Frame sensor - 35.6 x 23.8 mm BSI-CMOS sensor, which has a diagonal of 42.82 mm
Sensor resolution of Sony A9 ~ 6000 x 4000 pixels.
Sony A9 has Crop Factor: 1.01
The sensor has a surface area of 847.3 mm².
There are approximate 24,000,000 photosites (pixels) on this area.
Get to know this camera closer. Let's look at the features and characteristics of this model. Compare Sony Alpha A9 with competitors in pro mirrorless cameras.
| Pros |
|---|
| Built-in Wireless |
| NFC Connectivity |
| Tilting Screen |
| 3840 x 2160 (4K) Max Video Resolution |
| AF Face Detection |
| 24MP High Resolution Sensor |
| 1440k dots Screen Resolution |
| 1/8000s Max Shutter Speed |
| Manual Focus |
| 1/8000s Electronic Shutter Speed |
| Microphone Port |
| Environmental Sealing |
| 693 Focus Points |
| ±5 AE Bracketing Range |
| Focus Bracketing |
| Bluetooth Connectivity |
| 5-axis Sensor-shift Image Stabilization |
| Touch Screen |
| External Flash |
| RAW Support |
| 51200 Max Native ISO |
| 20.0 fps Continuous Shooting |
| 650 shots Long Battery Life |
| Manual Exposure Mode |
| UHS-II Memory Card Support |
| Headphone Port |
| 3686k dot Viewfinder Resolution |
| 2 Storage Slots |
| Flash Sync Port |
| Remote Control with a Smartphone |
| Cons |
|---|
| No Articulating Screen |
| Weight: 673g |
| Type Scores |
|---|
Sony Alpha A9 has an Overall Score of 90/100 and ranked #18 out of 214 in Mirrorless cameras, and ranked #17 out of 1222 in all cameras.
Here is the front and top view image of Sony Alpha A9 with the dimensions:
| Model | Weight | Alpha A9 | Dimensions | Alpha A9 | |
|---|---|---|---|---|---|
|
Sony A7R III | 657 g | 673 g | 127 x 96 x 74 mm | 127 x 96 x 63 mm |
|
Sony A7R II | 625 g | 673 g | 127 x 96 x 60 mm | 127 x 96 x 63 mm |
|
Sony A7 III | 650 g | 673 g | 127 x 96 x 74 mm | 127 x 96 x 63 mm |
|
Nikon D850 | 1015 g | 673 g | 146 x 124 x 79 mm | 127 x 96 x 63 mm |
|
Canon 5D MIV | 890 g | 673 g | 151 x 116 x 76 mm | 127 x 96 x 63 mm |
|
Canon 1D X II | 1530 g | 673 g | 158 x 168 x 83 mm | 127 x 96 x 63 mm |
|
Nikon D5 | 1415 g | 673 g | 160 x 158.5 x 92 mm | 127 x 96 x 63 mm |
|
Sony A7 II | 599 g | 673 g | 127 x 96 x 60 mm | 127 x 96 x 63 mm |
| General | |
|---|---|
| Brand | Sony |
| Model | Alpha A9 |
| Announced | April, 2017 |
| Body Type | SLR-style mirrorless |
| Lens | |
| Lens Mount | Sony E |
| Manual Focus | |
| Focal Lens Multiplier | 1 |
| Number of Lenses | 116 |
| Macro Focus Range | n/a |
| Screen | |
| Screen Size | 3" |
| Screen Type | Tilting |
| Screen Resolution | 1440k pixels |
| Touch Screen | |
| Live View | |
| Viewfinder | |
| Viewfinder | Electronic |
| Viewfinder Resolution | 3686 |
| Viewfinder Coverage | 100% |
| Viewfinder Magnification | 0.78 |
| Autofocus | |
| AF Touch | |
| AF Continuous | |
| AF Single | |
| AF Tracking | |
| AF Selective | |
| AF Center | |
| AF Multi Area | |
| AF Live View | |
| AF Face Detection | |
| AF Contrast Detection | |
| AF Phase Detection | |
| Number of Focus Points | 693 |
| Number of Cross Focus Points | 0 |
| Photography Features | |
| RAW Support | |
| Min Shutter Speed | 1/30 sec |
| Max Shutter Speed | 1/8000 sec |
| Continuous Shooting | 20.0 fps |
| Shutter Priority | |
| Aperture Priority | |
| Manual Exposure Mode | |
| Exposure Compensation | |
| Custom White Balance | |
| Image Stabilization | |
| Built-in Flash | |
| Flash Range | no built-in flash |
| Flash Modes | Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction, Wireless, Hi-speed sync |
| External Flash | |
| AE Bracketing | |
| AE Bracketing Range | ±5 EV |
| WB Bracketing | |
| Sensor | |
|---|---|
| Sensor Size | Full frame |
| Sensor Type | BSI-CMOS |
| Sensor Dimensions | 35.6 x 23.8 mm |
| Sensor Area | 847.3 mm² |
| Sensor Resolution | 24 MP |
| Max Image Resolution | 6000 x 4000 |
| Max Native ISO | 51200 |
| Min Native ISO | 100 |
| Max Boosted ISO | 204800 |
| Min Boosted ISO | 50 |
| Video Features | |
| 4K | |
| Max Video Resolution | 3840 x 2160 |
| Video Formats | MPEG-4, AVCHD, H.264 |
| Timelapse Recording | |
| Microphone Port | |
| Headphone Port | |
| Exposure Modes | |
| Multi-Segment | |
| Average | |
| Spot | |
| Partial | |
| AF-Area | |
| Center Weighted | |
| Connectivity | |
| GPS | None |
| Wireless Connectivity | Built-In |
| Bluetooth | |
| HDMI | |
| USB | USB 2.0 (480 Mbit/sec) |
| Battery | |
| Battery Life | 650 shots |
| Battery Type | Battery Pack |
| Battery Model | NP-FZ100 |
| Physical | |
| Weight | 673 g |
| Physical Dimensions | 127 x 96 x 63 mm |
| Environmental Sealing | |
| Water Proof | |
| Dust Proof | |
| Shock Proof | |
| Crush Proof | |
| Freeze Proof | |
| Shock Proof | |
| Storage | Storage Type | Dual SD/SDHC/SDXC slots (UHS-II compatible) |
| Storage Slots | 2 |
| Other Features | |
| Self Timer | |
| Selfie Friendly | |
20MP | Four Thirds CMOS | Micro Four Thirds mount
102MP | Medium format BSI-CMOS | Fujifilm G mount
50MP | Full frame BSI-CMOS | Sony E mount
24MP | Full frame CMOS | Leica L mount
46MP | Full frame BSI-CMOS | Nikon Z mount
25MP | Full frame BSI-CMOS | Nikon Z mount
24MP | Full frame CMOS | Leica L mount
12MP | Full frame BSI-CMOS | Sony E mount
45MP | Full frame CMOS | Canon RF mount
20MP | Full frame CMOS | Canon RF mount
20MP | Four Thirds CMOS | Micro Four Thirds mount
20MP | Four Thirds CMOS | Micro Four Thirds mount
61MP | Full frame BSI-CMOS | Leica L mount
102MP | Medium format BSI-CMOS | Fujifilm G mount
26MP | APS-C BSI-CMOS | Fujifilm X mount
50MP | Full frame BSI-CMOS | Sony E mount
24MP | Full frame CMOS | Leica L mount
26MP | APS-C BSI-CMOS | Fujifilm X mount
25MP | Full frame BSI-CMOS | Nikon Z mount
24MP | APS-C CMOS | Canon EF-M mount
