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Sony Alpha A9 Review | 108 Data compared

Avg. price: ~£2,470
Sensor size: full frame
Lens mount: Sony E
Main camera pixel size: 5.93 µm
Weight: 673 g
Battery life (CIPA): 650 shots

Sony Alpha A9 review. Compare 108 technical specifications and user reviews to see how it ranks among cameras and if it is worth buying.

8.0

Excellent

8.4

Excellent

4.7

Poor

9.4
Professional photography
Score components:
25.0%
9.7
Sensor size
20.0%
7.2
Main camera megapixels
20.0%
10
Dual card slots
15.0%
10
N. of focus points
10.0%
10
RAW photo capture
10.0%
10
Phase-detection autofocus (photos)
6.7
Travel
Score components:
35.0%
4.3
Weight
30.0%
10
Battery life (CIPA)
20.0%
10
Sensor-shift stabilization
15.0%
1.0
GPS
6.2
Beginners
Score components:
30.0%
1.0
Price
20.0%
4.3
Weight
20.0%
10
AF tracking
20.0%
10
Battery life (CIPA)
10.0%
10
Touchscreen
9.1
Landscape photography
Score components:
30.0%
7.2
Main camera megapixels
25.0%
9.7
Sensor size
20.0%
10
Main camera pixel size
15.0%
10
Sensor-shift stabilization
10.0%
10
RAW photo capture
6.8
Street photography
Score components:
30.0%
4.3
Weight
25.0%
5.9
Thickness
20.0%
7.7
AF low-light sensitivity
15.0%
10
Sensor-shift stabilization
10.0%
10
Eye detection AF (human)
9.5
Portraits
Score components:
30.0%
9.7
Sensor size
25.0%
10
Main camera pixel size
20.0%
10
Eye detection AF (human)
15.0%
7.2
Main camera megapixels
10.0%
10
Sensor-shift stabilization
6.0
Hiking
Score components:
30.0%
4.3
Weight
25.0%
10
Battery life (CIPA)
20.0%
2.8
Min operating temperature
15.0%
10
Sensor-shift stabilization
10.0%
1.0
GPS

Best prices in UK

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Best rankings

#14 in Best Sony Cameras
#14 in Best Sony Mirrorless Cameras
#29 in Best Professional Cameras for Photography
#30 in Best Low Light Cameras
#32 in Best Full-Frame Cameras
#33 in Best Travel Cameras
#38 in Best Mirrorless Cameras
#39 in Best Cameras for Landscape Photography
#40 in Best Cameras
#40 in Best Digital Cameras
#40 in Best 4K Cameras
#40 in Best Cameras for Portraits
#48 in Best Cameras for Hiking

Verdict

The Sony Alpha A9 is a professional full-frame mirrorless camera featuring a 24.2MP stacked Exmor RS CMOS sensor and BIONZ X processor, designed specifically for high-speed action and sports photography. Its primary characteristics include a groundbreaking electronic shutter capable of silent, blackout-free continuous shooting at up to 20 fps, supported by a 693-point phase-detection autofocus system covering 93% of the frame. Main pros include its exceptional subject tracking, 5-axis in-body image stabilization, dual SD card slots (one UHS-II), and a high-resolution 3.69m-dot OLED viewfinder with a 120 fps refresh rate. However, notable cons include its limited 5 fps mechanical shutter speed, the absence of S-Log video profiles, and weather sealing that some reviewers consider less robust than rival professional DSLRs.

Technical Specifications of Sony Alpha A9

Overall score

8.0

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Popularity

What it is: An indicator based on the number of reviews received by the camera.

When it matters: When you want to see which cameras attract the most buyer attention and review activity.

Sensor & Image

9.2

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Sensor size

What it is: The sensor format value describes the physical light-collecting area.

When it matters: When you shoot in more difficult lighting.

Importance: HIGH

Good value: Full frame or larger

Main camera megapixels

What it is: The effective resolution of the camera sensor, measured in megapixels (MP). Higher megapixels can capture more detail.

When it matters: When you want high-resolution photos that allow more cropping or larger prints.

Importance: HIGH

Good value: At least 20 MP

Main camera pixel size

What it is: The physical size of individual pixels on the camera sensor, measured in micrometers. Larger pixels typically capture more light for better low-light performance.

When it matters: When you shoot in low light and want reduced noise in your photos.

Importance: HIGH

Good value: At least 3.5 µm

Base ISO

What it is: The native ISO setting that delivers the sensor’s standard balance of image quality and dynamic range.

When it matters: When you want the best native image quality and compare cameras at their most optimal sensitivity setting.

Importance: LOW

Max ISO

What it is: The ISO ceiling shows the highest sensor sensitivity available for darker scenes.

When it matters: When you shoot in more difficult lighting.

Importance: MEDIUM

Good value: At least ISO 25,600

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Photo Features

8.7

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Lens mount

What it is: The mechanical and electronic interface that determines which interchangeable lenses the camera can use.

When it matters: When lens availability, upgrade options, and long-term system compatibility are central to your buying decision.

Importance: LOW

Sony E

Built-in focus motor

What it is: Indicates whether the camera body includes an internal autofocus motor for driving compatible lenses.

When it matters: When you plan to use older or budget lenses that depend on the camera body for autofocus drive.

Importance: LOW

N. of focus points

What it is: The total number of selectable autofocus points available for positioning and tracking focus.

When it matters: When you want more flexibility in placing focus precisely or tracking subjects across the frame.

Importance: HIGH

Good value: At least 200 points

Phase-detection autofocus (photos)

What it is: Autofocus technology that measures phase differences to lock focus quickly and accurately for still photography.

When it matters: When you want faster and more reliable autofocus for still photos, especially with moving subjects.

Importance: HIGH

AF tracking

What it is: An autofocus mode that continuously follows a moving subject to keep it sharp during shooting.

When it matters: When your subjects move unpredictably and you need the camera to keep focus on them automatically.

Importance: MEDIUM

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Video & Audio

7.9

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Max video resolution

What it is: The highest video resolution the camera can record, defining the maximum level of captured image detail.

When it matters: When you care about recording the highest level of detail for cropping, editing, or future-proof video work.

Importance: HIGH

Good value: At least 3840 px

Video bitrate

What it is: The amount of video data recorded per second, which affects file size and potential recording quality.

When it matters: When you compare potential video quality and want fewer compression artifacts in demanding scenes.

Importance: MEDIUM

Good value: At least 200 Mbps

Video bit depth

What it is: The number of bits used per color channel in recorded video, affecting gradation smoothness and editing flexibility.

When it matters: When you color grade video and want smoother gradients with fewer banding issues.

Importance: MEDIUM

Good value: At least 10-bit

Video chroma subsampling

What it is: The color sampling format used in video recording, indicating how much color detail is retained relative to brightness detail.

When it matters: When color grading, keying, or serious post-production work is important in your video workflow.

Importance: LOW

Video codecs

What it is: The video compression formats the camera can use when recording, affecting compatibility, efficiency, and workflow.

When it matters: When compatibility, editing performance, and file efficiency matter in the way you handle video.

Importance: LOW

H.264

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Display & Design

7.0

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Type

What it is: The camera type identifies the overall design, such as mirrorless, DSLR, compact, or bridge.

When it matters: When you want a camera style that matches how you shoot, carry, and swap lenses.

Importance: LOW

mirrorless

Weight

What it is: The total weight of the camera body, which affects comfort while carrying and shooting.

When it matters: When you carry the camera all day, travel often, or prefer a lighter setup.

Importance: MEDIUM

Good value: 500 g or less

Width

What it is: The width of the camera body, measured from side to side.

When it matters: When compact packing, grip comfort, or bag fit matters to you.

Importance: LOW

Height

What it is: The height of the camera body, measured from top to bottom.

When it matters: When you care about how compact the camera feels in a bag or in hand.

Importance: LOW

Thickness

What it is: The depth of the device profile, excluding the camera bump unless specified.

When it matters: When you prefer a sleek, slim profile that slides easily into tight pockets.

Importance: LOW

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Battery & Power

8.9

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Battery life (CIPA)

What it is: The official battery endurance estimate measured under CIPA test methodology, usually expressed in shots per charge.

When it matters: When you need realistic expectations for how many shots you can take before carrying a spare battery.

Importance: MEDIUM

Good value: At least 400 shots

Battery capacity

What it is: The amount of electric charge the battery can hold, measured in milliampere-hours (mAh).

When it matters: When you want a general idea of how large the battery is physically.

Importance: LOW

Good value: At least 1,500 mAh

Removable battery

What it is: Indicates whether the flight battery can be removed and swapped by the user.

When it matters: When you want to swap batteries quickly between flights.

Importance: LOW

USB Power Delivery (PD)

What it is: Support for the USB Power Delivery standard for higher-power charging or external power supply over USB-C.

When it matters: When you want faster USB-C charging or the ability to power the camera externally for longer sessions.

Importance: LOW

Connectivity & Storage

7.6

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Wi-Fi connectivity

What it is: Indicates whether the camera has built-in Wi-Fi for image transfer, remote control, or network features.

When it matters: When you want to transfer photos wirelessly, control the camera from a phone, or use supported network workflows.

Importance: LOW

Wi-Fi version

What it is: The specific generation of Wi-Fi standards supported (e.g., Wi-Fi 6, Wi-Fi 7), determining maximum speed and efficiency.

When it matters: When you have a high-speed router and want faster downloads with less congestion.

Importance: LOW

Bluetooth connectivity

What it is: Indicates whether the camera supports Bluetooth for pairing, remote control, or file transfer.

When it matters: When you want quick wireless pairing with a phone, remote control, or location syncing.

Importance: LOW

Bluetooth version

What it is: The Bluetooth version supported by the camera for wireless pairing and low-power connections.

When it matters: When you want more efficient wireless pairing, better range, or newer Bluetooth features.

Importance: LOW

USB Type-C

What it is: A modern, reversible connector used for charging, data transfer, and sometimes audio or video output.

When it matters: When you want a reversible cable that handles charging, data, and accessories universally.

Importance: LOW

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Sony Alpha A9 vs the average camera

Why is Sony Alpha A9 better than the average camera?

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670 more AF points
Sony Alpha A9 has more focus points than the average camera (693 vs 23). The average camera offers 23 focus points.
What it is: The total number of selectable autofocus points available for positioning and tracking focus.
When it matters: When you want more flexibility in placing focus precisely or tracking subjects across the frame.
Importance: HIGH
Good value: At least 200 points
Sony Alpha A9 has more focus points than the average camera (693 vs 23). The average camera offers 23 focus points.693 vs 23
In-body stabilization
Sony Alpha A9 supports in-body stabilization, the average camera does not.
5-axis in-body stabilization.
What it is: A stabilization system that physically moves the image sensor to reduce shake during handheld shooting.
When it matters: When you often shoot handheld and want sharper results at slower shutter speeds without relying only on lens stabilization.
Importance: MEDIUM
Sony Alpha A9 supports in-body stabilization, the average camera does not.
Phase-detect AF for photos
Sony Alpha A9 supports phase-detection autofocus for photos, the average camera does not.
What it is: Autofocus technology that measures phase differences to lock focus quickly and accurately for still photography.
When it matters: When you want faster and more reliable autofocus for still photos, especially with moving subjects.
Importance: HIGH
Sony Alpha A9 supports phase-detection autofocus for photos, the average camera does not.
44,800 higher max ISO
Sony Alpha A9 has a higher max ISO than the average camera (51,200 vs 6,400). The average camera reaches a max ISO of 6,400.
What it is: The ISO ceiling shows the highest sensor sensitivity available for darker scenes.
When it matters: When you shoot in more difficult lighting.
Importance: MEDIUM
Good value: At least ISO 25,600
Sony Alpha A9 has a higher max ISO than the average camera (51,200 vs 6,400). The average camera reaches a max ISO of 6,400.51,200 vs 6,400
Human eye AF
Sony Alpha A9 supports human eye-detection AF, the average camera does not.
What it is: Autofocus detection designed to identify and prioritize human eyes for portrait and action shooting.
When it matters: When you shoot portraits, weddings, or events and want the camera to prioritize people’s eyes automatically.
Importance: LOW
Sony Alpha A9 supports human eye-detection AF, the average camera does not.
2.59 µm larger main-camera pixels
Sony Alpha A9 has a higher main camera pixel size than the average camera (5.9 µm vs 3.34 µm). The average camera has a main camera pixel size of 3.34 µm.
What it is: The physical size of individual pixels on the camera sensor, measured in micrometers. Larger pixels typically capture more light for better low-light performance.
When it matters: When you shoot in low light and want reduced noise in your photos.
Importance: HIGH
Good value: At least 3.5 µm
Sony Alpha A9 has a higher main camera pixel size than the average camera (5.9 µm vs 3.34 µm). The average camera has a main camera pixel size of 3.34 µm.5.93 µm vs 3.34 µm
2,675 points higher DxOMark Sports score
Sony Alpha A9 has a higher DxOMark sports score than the average camera (3,517 points vs 842 points). The average camera has a DxOMark sports score of 842 points.
What it is: The DxOMark low-light score, reflecting how well the sensor performs at higher sensitivities.
When it matters: When low-light sensor performance is especially important for the way you shoot.
Importance: MEDIUM
Sony Alpha A9 has a higher DxOMark sports score than the average camera (3,517 points vs 842 points). The average camera has a DxOMark sports score of 842 points.3517 points vs 842 points
179,500 higher expanded ISO
Sony Alpha A9 has a higher expanded ISO than the average camera (204,800 vs 25,300). The average camera reaches an expanded ISO of 25,300.
What it is: The highest extended ISO setting available beyond the standard sensitivity range of the sensor.
When it matters: When you shoot in very dark conditions and want the option to push sensitivity beyond the normal ISO range.
Importance: MEDIUM
Sony Alpha A9 has a higher expanded ISO than the average camera (204,800 vs 25,300). The average camera reaches an expanded ISO of 25,300.204,800 vs 25,300
Better viewfinder type
Sony Alpha A9 uses a more advanced viewfinder than the average camera (electronic vs none).
Has a touchscreen
Sony Alpha A9 has a touchscreen, the average camera does not. 36.6% of cameras support touchscreen input.
1330000 dots higher EVF resolution
Sony Alpha A9 has a higher EVF resolution than the average camera (3,690,000 dots vs 2,360,000 dots). The average camera has an EVF resolution of 2,360,000 dots.
60 Hz higher EVF refresh rate
Sony Alpha A9 has a higher EVF refresh rate than the average camera (120 Hz vs 60 Hz). The average camera has an EVF refresh rate of 60 Hz.
11 more customizable buttons
Sony Alpha A9 has more customizable buttons than the average camera (11 vs 0). The average camera offers 0 customizable buttons.
44,800 higher max ISO
Sony Alpha A9 has a higher max ISO than the average camera (51,200 vs 6,400). The average camera reaches a max ISO of 6,400.
2.59 µm larger main-camera pixels
Sony Alpha A9 has a higher main camera pixel size than the average camera (5.9 µm vs 3.34 µm). The average camera has a main camera pixel size of 3.34 µm.
2,675 points higher DxOMark Sports score
Sony Alpha A9 has a higher DxOMark sports score than the average camera (3,517 points vs 842 points). The average camera has a DxOMark sports score of 842 points.
179,500 higher expanded ISO
Sony Alpha A9 has a higher expanded ISO than the average camera (204,800 vs 25,300). The average camera reaches an expanded ISO of 25,300.
Uses a BSI sensor
Sony Alpha A9 uses a BSI sensor, the average camera does not. 34.8% of cameras use a BSI sensor.
Stacked CMOS sensor
Sony Alpha A9 uses a stacked CMOS sensor, the average camera does not.
Larger sensor
Sony Alpha A9 has a larger sensor than the average camera (full frame vs APS-C).
Sensor cleaning system
Sony Alpha A9 includes a sensor cleaning system, the average camera does not.
8 MP higher resolution on the main camera
Sony Alpha A9 has a higher main camera resolution than the average camera (24.2 MP vs 16.2 MP). The average camera has a main camera resolution of 16.2 MP.
19 points higher DxOMark sensor score
Sony Alpha A9 has a higher DxOMark sensor score than the average camera (92 points vs 73 points). The average camera has a DxOMark sensor score of 73 points.
Higher DxOMark portrait score
Sony Alpha A9 has a higher DxOMark portrait score than the average camera (24.9 vs 23.0). The average camera scores 23.0.
Higher DxOMark landscape score
Sony Alpha A9 has a higher DxOMark landscape score than the average camera (13.3 vs 12.4). The average camera scores 12.4.
4 newer
Sony Alpha A9 is newer than the average camera (2017 vs 2013). The average camera was released in 2013.
670 more AF points
Sony Alpha A9 has more focus points than the average camera (693 vs 23). The average camera offers 23 focus points.
In-body stabilization
Sony Alpha A9 supports in-body stabilization, the average camera does not.
Phase-detect AF for photos
Sony Alpha A9 supports phase-detection autofocus for photos, the average camera does not.
Human eye AF
Sony Alpha A9 supports human eye-detection AF, the average camera does not.
Combined stabilization
Sony Alpha A9 supports combined stabilization, the average camera does not.
Animal eye AF
Sony Alpha A9 supports animal eye-detection AF, the average camera does not.
400,000 more shutter cycles
Sony Alpha A9 has a higher shutter durability than the average camera (500,000 vs 100,000). The average camera is rated for 100,000 shutter cycles.
1 stops higher CIPA stabilization rating
Sony Alpha A9 has a higher CIPA stabilization rating than the average camera (5 stops vs 4 stops). The average camera has a CIPA stabilization rating of 4 stops.
Supports touch autofocus
Sony Alpha A9 supports touch autofocus, the average camera does not. 34.9% of cameras support touch autofocus.
Includes headphone output
Sony Alpha A9 includes a headphone output, the average camera does not.
Has microphone input
Sony Alpha A9 has microphone input, the average camera does not.
Supports slow-motion video
Sony Alpha A9 supports slow-motion video, the average camera does not.
1920 px higher video resolution
Sony Alpha A9 records higher-resolution video than the average camera (3,840 px vs 1920 px). The average camera records at 1920 px.
Phase-detect AF in video
Sony Alpha A9 supports phase-detection autofocus in video, the average camera does not.
3.33x higher video bitrate
Sony Alpha A9 has a higher video bitrate than the average camera (100 Mbps vs 30 Mbps). The average camera records at 30 Mbps.
Clean HDMI output
Sony Alpha A9 offers clean HDMI output, the average camera does not.
Supports live streaming
Sony Alpha A9 supports live streaming, the average camera does not.
Built-in timelapse
Sony Alpha A9 includes timelapse capture, the average camera does not.
Supports 24p cinema mode
Sony Alpha A9 supports 24p cinema mode, the average camera does not. 44% of cameras support this mode.
320 shots longer battery life
Sony Alpha A9 has longer battery life than the average camera (650 shots vs 330 shots). The average camera delivers 330 shots per charge.
1,160 mAh larger battery capacity
Sony Alpha A9 has a higher battery capacity than the average camera (2,280 mAh vs 1,120 mAh). The average camera has a battery capacity of 1,120 mAh.
Dual card slots
Sony Alpha A9 offers dual card slots, the average camera does not. 13.3% of cameras offer them.
Has Bluetooth
Sony Alpha A9 supports Bluetooth, the average camera does not. 22.7% of cameras support Bluetooth.
Supports Wi-Fi connectivity
Sony Alpha A9 supports Wi-Fi, the average camera does not. 47.8% of cameras support Wi-Fi.
Smartphone remote control
Sony Alpha A9 supports smartphone remote control, the average camera does not. 46.2% of cameras support smartphone remote control.
Has NFC
Sony Alpha A9 supports NFC, the average camera does not. 15% of cameras support NFC.

Display & Design

Battery & Power

Connectivity & Storage

Why is Sony Alpha A9 worse than the average camera?

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70.4% heavier
Sony Alpha A9 is heavier than the average camera (673 g vs 395 g). The average camera weighs 395 g.
0.05 in smaller screen
Sony Alpha A9 has a smaller screen than the average camera (3 in vs 3 in). The average camera has a screen size of 3 in.
No flash
Sony Alpha A9 does not have a built-in flash, the average camera does. 73.4% of cameras have a flash.
21.7 mm taller body
Sony Alpha A9 is taller than the average camera (95.6 mm vs 73.9 mm). The average camera has a height of 73.9 mm.
7 mm wider
Sony Alpha A9 is wider than the average camera (126.9 mm vs 119.9 mm). The average camera has a width of 119.9 mm.
17 mm thicker
Sony Alpha A9 is thicker than the average camera (63 mm vs 46 mm). The average camera has a thickness of 46 mm.
Worse low-light autofocus
Sony Alpha A9 has a worse low-light AF sensitivity than the average camera (-3 EV vs -4 EV). The average camera reaches a low-light AF sensitivity of -4 EV.
Rated with f/2.0 lens.
0.7 fps slower mechanical burst
Sony Alpha A9 has a slower mechanical burst rate than the average camera (5 fps vs 5.7 fps). The average camera shoots at 5.7 fps.
70.4% heavier
Sony Alpha A9 is heavier than the average camera (673 g vs 395 g). The average camera weighs 395 g.
What it is: The total weight of the camera body, which affects comfort while carrying and shooting.
When it matters: When you carry the camera all day, travel often, or prefer a lighter setup.
Importance: MEDIUM
Good value: 500 g or less
Sony Alpha A9 is heavier than the average camera (673 g vs 395 g). The average camera weighs 395 g.673 g vs 395 g
0.05 in smaller screen
Sony Alpha A9 has a smaller screen than the average camera (3 in vs 3 in). The average camera has a screen size of 3 in.
What it is: The physical diagonal measurement of the display area, usually expressed in inches.
When it matters: When you want a larger display for reviewing shots, using menus, or shooting from awkward angles.
Importance: MEDIUM
Good value: At least 3 in
Sony Alpha A9 has a smaller screen than the average camera (3 in vs 3 in). The average camera has a screen size of 3 in.2.95 in vs 3 in
No flash
Sony Alpha A9 does not have a built-in flash, the average camera does. 73.4% of cameras have a flash.
What it is: Indicates the presence of an integrated light source to illuminate subjects in low-light conditions.
When it matters: When you need a quick built-in light for fill flash or simple low-light shots.
Importance: LOW
Sony Alpha A9 does not have a built-in flash, the average camera does. 73.4% of cameras have a flash.
Worse low-light autofocus
Sony Alpha A9 has a worse low-light AF sensitivity than the average camera (-3 EV vs -4 EV). The average camera reaches a low-light AF sensitivity of -4 EV.
Rated with f/2.0 lens.
What it is: The lowest light level at which the autofocus system is rated to work reliably.
When it matters: When you shoot in dim environments and need autofocus that still locks confidently after dark.
Importance: MEDIUM
Sony Alpha A9 has a worse low-light AF sensitivity than the average camera (-3 EV vs -4 EV). The average camera reaches a low-light AF sensitivity of -4 EV.-3 vs -4
8.52x more expensive
Sony Alpha A9 is more expensive than the average camera (£2,470 vs £290).
Sony Alpha A9 is more expensive than the average camera (£2,470 vs £290).£2,470 vs £290
21.7 mm taller body
Sony Alpha A9 is taller than the average camera (95.6 mm vs 73.9 mm). The average camera has a height of 73.9 mm.
What it is: The height of the camera body, measured from top to bottom.
When it matters: When you care about how compact the camera feels in a bag or in hand.
Importance: LOW
Sony Alpha A9 is taller than the average camera (95.6 mm vs 73.9 mm). The average camera has a height of 73.9 mm.95.6 mm vs 73.9 mm
0.7 fps slower mechanical burst
Sony Alpha A9 has a slower mechanical burst rate than the average camera (5 fps vs 5.7 fps). The average camera shoots at 5.7 fps.
What it is: The maximum burst rate the camera can achieve using its mechanical shutter, measured in frames per second.
When it matters: When you photograph sports, wildlife, or action and want more chances to catch the exact moment.
Importance: MEDIUM
Good value: At least 10 fps
Sony Alpha A9 has a slower mechanical burst rate than the average camera (5 fps vs 5.7 fps). The average camera shoots at 5.7 fps.5 fps vs 5.7 fps
70.3% lower user score
Sony Alpha A9 has a lower user score than the average camera (4.70 vs 8.000).
What it is: A rating that combines user reviews and the total number of reviews received by the camera.
When it matters: When real-world owner satisfaction and review volume matter to your decision.
Sony Alpha A9 has a lower user score than the average camera (4.70 vs 8.000).4.7 vs 8

Display & Design

Graphic comparison of Sony Alpha A9 and

Attribute category

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Third-party reviews

United Kingdom

United States

(Reviews last updated: July 2026)

What customers like about Sony Alpha A9?

Incredible 20fps burst shooting with full AF/AE tracking
Blackout-free electronic viewfinder for seamless subject tracking
Exceptionally fast and accurate 693-point phase-detect autofocus
Silent electronic shutter ideal for quiet environments like weddings
Significantly improved battery life compared to previous mirrorless models
Dual SD card slots for redundant or overflow storage
Excellent high ISO performance and image quality in various conditions

What customers dislike about Sony Alpha A9?

Complex and 'un-user-friendly' menu interface often requiring deep diving
Compact body can feel cramped or unbalanced with large professional lenses
Weather sealing is noted by some reviewers as a point of concern
Only one of the two SD card slots supports faster UHS-II speeds
Touchscreen functionality is limited to focus point selection rather than full menu navigation
Burst speed drops from 20fps to 12fps when shooting uncompressed Raw files
Inability to access main menus while the camera's image buffer is clearing

Expert reviews

dpreview.com

14/06/2017

Sony a9 Full Review: Mirrorless Redefined - DPReview

The DPReview full review highlights the Sony a9 as a groundbreaking, 24-megapixel full-frame mirrorless camera designed for sports, boasting a 20 fps blackout-free electronic shutter, a reliable 693-point AF system, and significantly improved battery life. Key pros include exceptional subject tracking, deep image buffers, and high-quality 4K video, effectively positioning it as a...Read more

techradar.com

21/11/2018

Sony Alpha A9 review

The Sony Alpha A9 is a full-frame mirrorless camera designed to challenge Canon and Nikon in the sports and action photography markets. Equipped with an innovative 24.2MP stacked CMOS sensor, it processes data 20 times faster than standard sensors, enabling blistering continuous shooting speeds of up to 20fps for 241 raw files without experiencing any viewfinder blackout. It...Read more

cameralabs.com

09/04/2018

Sony A9 review | Cameralabs

The Sony Alpha A9 is a 24.2-megapixel full-frame mirrorless camera specifically engineered for professional sports and event photography. It delivers highly confident handling and a revolutionary stacked CMOS sensor that facilitates fast readout speeds. Key advantages include the ability to shoot long bursts at up to 20 frames per second using a silent, vibration-free electronic...Read more

photographylife.com

11/04/2020

The Photography Life review deems the Sony A9 a revolutionary, professional-grade mirrorless camera, specifically praising its 24.2 MP stacked CMOS sensor for 20 fps, blackout-free shooting and a highly accurate 693-point AF system. Enhanced usability is highlighted, featuring a dedicated AF joystick, larger battery, and improved physical dials for sports and event photographers....Read more

ephotozine.com

03/07/2017

Sony Alpha A9 Review | ePHOTOzine

The Sony Alpha A9 is a 24.2-megapixel stacked-sensor mirrorless camera designed for sports, offering blackout-free shooting at 20fps, a 693-point AF system, and 5-axis image stabilization. Key advantages include its silent, vibration-free electronic shutter up to 1/32,000s, 4K video capability, and exceptional tracking performance. Conversely, the review notes that image detail...Read more

sansmirror.com

20/06/2017

Sony A9 Camera Review

The Sony A9 is a 24-megapixel full-frame mirrorless "halo" camera designed primarily for sports photographers and photojournalists. Its standout feature is its ground-breaking 24MP BSI stacked sensor, which enables an incredibly fast 20 frames-per-second continuous shooting rate alongside a massive 241-shot RAW buffer. Crucially, the camera achieves this with a completely silent...Read more

robertopanciatici.com

03/08/2017

Sony a9 real world review with raw samples

The Sony a9 is a 24-megapixel full-frame mirrorless camera that stands out as a lightweight, professional-grade powerhouse, offering an excellent alternative to heavy DSLRs like the Nikon D5 and Canon 1Dx Mk II for travel-heavy wedding photography. Its most definitive advantage is its extraordinary autofocus system, featuring 693 AF points, exceptionally precise eye-tracking, and a...Read more

stevehuffphoto.com

02/06/2017

The Sony A9 Camera Review

Steve Huff describes the Sony A9 as the most technologically advanced 35mm format camera he has ever used, serving as a highly versatile machine for portraits, street, wedding, and low-light photography rather than just an action camera. Built around a 24.2MP full-frame stacked CMOS sensor and a BIONZ X processor, the camera delivers standout image quality with improved...Read more

davidstubbsphotography.co.uk

21/07/2017

Sony A9 Review for Wedding Photographers

The Sony A9 is a groundbreaking, full-frame mirrorless camera that performs exceptionally well for documentary-style wedding photography. Its standout features include a flawless, zero-blackout Electronic Viewfinder (EVF) and a highly effective flip screen that makes shooting from creative, low, or elevated angles easy. The camera’s autofocus capabilities are superb, featuring 693...Read more

medium.com

29/11/2017

Testing the new Sony 𝛼9

Marius Stuparu’s review of the Sony α9 on Medium highlights the mirrorless camera's exceptional, blackout-free 20 frames per second (fps) continuous shooting mode as a primary pro for sports photography, ensuring crucial moments are captured. The review praises its highly competitive autofocus and technical specifications, which directly challenge traditional heavy-duty DSLR giants....Read more

bhphotovideo.com

28/06/2017

On the Court with the Pro-Caliber Sony Alpha a9 Camera Are you looking for reviews focusing on a specific photography genre, like sports or weddings,...

The B&H Photo Explora review highlights the Sony Alpha a9 as a top-tier mirrorless camera for indoor sports, driven by a highly intelligent, accurate autofocus tracking system. Key advantages include a 20 frames-per-second continuous shooting speed and a completely blackout-free electronic viewfinder, allowing for seamless, fast-paced action tracking. While the camera offers...Read more

the-digital-picture.com

25/07/2017

Sony Alpha 9 Review - The-Digital-Picture.com

The-Digital-Picture.com highlights the Sony Alpha 9 as a specialized tool for professional action photography, driven by a 24-megapixel sensor and a remarkable blackout-free 20 fps continuous shooting rate. Key advantages include the elimination of electronic viewfinder blackout, a 1/32,000 second electronic shutter speed, and significantly improved battery life....Read more

stevehuffphoto.com

02/06/2017

The Sony A9 Camera Review. So much more than an action camera

The Sony A9 is a highly advanced 35mm full-frame mirrorless camera that balances immense technological power with a mature, refined user experience. Built around a 24.2-megapixel stacked CMOS sensor and a fast BIONZ X processor, the camera is a powerhouse of speed. It delivers standout features such as continuous shooting up to 20 frames per second, a totally blackout-free and...Read more

chip.de

09/06/2017

Sony Alpha 9 (DSLM) Review - CHIP

Here is a detailed summary of the Sony Alpha 9 review: Review Summary The Sony Alpha 9 is a highly specialized full-frame mirrorless camera engineered specifically for professional sports, wildlife, and event photographers. Its standout feature is its blistering continuous shooting speed of 240 compressed RAW or 360 JPEG images at 20 frames per second using the electronic shutter....Read more

digitalkamera.de

05/09/2017

Review: Sony Alpha 9 Professional Mirrorless Camera

The Sony Alpha 9 is a robust full-frame mirrorless camera designed for professionals, highlighted by a 20 fps burst rate, blackout-free electronic viewfinder, and an highly accurate autofocus system. Key performance benefits include a massive buffer and superior image quality at high ISOs, alongside improved battery life. Conversely, the camera is heavier than its predecessors and...Read more

fotohits.de

22/07/2026

Sony A9 Camera Review | FOTO HITS Magazine

Sony Alpha 9 Review Summary The Sony Alpha 9 is a high-speed, full-frame mirrorless camera that acts as a serious competitor to professional DSLRs, particularly for sports and reportage photography. Built around a newly developed layered sensor with integrated memory, it achieves data readout speeds up to 20 times faster than previous models. This technology powers an extraordinary...Read more

lesnumeriques.com

06/06/2017

Sony A9 Review: The Full Review

The Sony Alpha 9 (A9) is a professional, full-frame mirrorless camera engineered to challenge high-end sports DSLRs, boasting a 24.2 MP stacked BSI CMOS sensor. Its primary strength is blazing-fast performance, featuring an autofocus system with 693 phase-detection points covering 93% of the frame, paired with a 20 fps silent electronic burst mode. The camera offers a unique,...Read more

leclaireur.fnac.com

08/07/2017

Sony Alpha 9 Review: The King of Speed!

The Sony Alpha 9 is an exceptionally fast mirrorless camera designed primarily for professional sports and action photography, acting as a direct competitor to high-end DSLRs. Built around a 24.2-megapixel full-frame stacked CMOS sensor with integrated RAM and paired with a BionZ X processor, the camera delivers blisteringly fast performance. Its standout features include a...Read more

lesnumeriques.com

06/06/2017

Sony Alpha 9 Review: A New Speed Beast is Born

The Les Numériques review characterizes the Sony Alpha 9 (A9) as a groundbreaking "racing beast" designed to challenge professional Canon and Nikon DSLRs in sports photography. The core strength of this mirrorless camera lies in its revolutionary 24.2 MP BSI CMOS Exmor RS stacked sensor with integrated DRAM, which enables a blistering electronic burst speed of up to 21 frames per...Read more

dzoom.org.es

22/07/2017

Sony Alpha A9: In-Depth Review

The Sony Alpha A9 is reviewed as a highly innovative full-frame mirrorless camera positioned to challenge top professional DSLRs in speed and performance. Its standout feature is the world's first 24.2 MP stacked Exmor RS CMOS sensor paired with a BIONZ X processor, which allows the camera to push data 20 times faster than previous models. This architecture enables a blazing-fast...Read more

xatakafoto.com

19/04/2017

Sony A9: Sony's new full-frame mirrorless camera sets a very high bar

The Sony Alpha A9 is a full-frame mirrorless camera designed primarily to meet the needs of professional sports, action, and event photographers. The review highlights its groundbreaking speed and capabilities, which are driven by the market's first 24.2-megapixel stacked Exmor RS CMOS sensor paired with an updated BIONZ X processor. This combination allows the camera to achieve...Read more

xatakafoto.com

17/07/2017

Sony A9 review: ready to reign at full speed

The Sony A9 is a 24.2-megapixel full-frame stacked CMOS mirrorless camera built for elite speed and professional performance, particularly targeting sports, action, and wedding photographers. The review praises its groundbreaking autofocus system, which features 693 phase-detection points and provides exceptional subject tracking. It delivers blisteringly fast continuous shooting...Read more

photolari.com

20/04/2017

Sony A9: First Impressions

The article by Iker Morán on Photolari shares first impressions of the Sony A9 after a brief hands-on test at a London launch event. Breaking away from expectations of a high-megapixel landscape model, the 24-megapixel full-frame mirrorless camera is built as an aggressive, direct competitor to flagship professional sports DSLRs like the Nikon D5 and Canon EOS-1D X Mark II. Priced...Read more

sony.com.ar

Sin fecha específica

Luis Licona puts the Alpha 9 to the test

Photojournalist Luis Licona labels the Sony Alpha 9 as his most reliable camera for sports, highlighting its exceptional speed, precision, and lightweight design. The 24-megapixel sensor is praised for delivering high-quality images while enabling rapid, real-time wireless transfers essential for tight deadlines. Sony Argentina Despite the praise, Licona initially found the compact...Read more

nadir.it

ND

Sony A9: The revenge of mirrorless. Field test and review

The Sony A9 is a high-performance, full-frame mirrorless camera designed primarily for sports, action, and event photographers who require elite speed and autofocus capabilities. A key strength is its advanced stacked sensor and BIONZ-X processor, which deliver an incredible 20 frames per second burst rate with continuous autofocus, a silent shutter mode, and a blackout-free...Read more

magazine.discorsifotografici.it

08/03/2019

Sony A9 Review - Discorsi Fotografici Magazine

The Sony A9 is a groundbreaking full-frame mirrorless camera tailored specifically for sports, action, and event photography. Its standout feature is a 24-megapixel back-illuminated (BSI) stacked CMOS sensor featuring integrated memory. This technology makes the camera 20 times faster than models without the chip. It delivers an astonishing blackout-free continuous shooting speed of...Read more

fotografiastore.it

ND

Sony A9 Review - FotografiaStore.it

The Progresso Fotografico Lab Test review highlights the Sony A9 (introduced in 2017) as a high-performance, well-balanced mirrorless camera explicitly targeted at professional photographers. Built around a brand-new 24 Megapixel Full Frame sensor, the camera is evaluated through precise technical measurements conducted by the Centro Studi Progresso Fotografico. These evaluations...Read more

frankwandelt.nl

2017-2018

Sony A9: professional mirrorless camera with monstrous speed

The reviewed Sony A9 is a highly acclaimed, professional full-frame mirrorless camera specifically designed for sports, action, and event photography. Reviewers unanimously praise its groundbreaking 24.2 MP stacked CMOS sensor which delivers a blistering continuous shooting speed of 20 frames per second with complete autofocus and exposure tracking. Crucially, it eliminates the...Read more

photofacts.nl

04/01/2019

Putting the Sony A9 through its paces

This review from Photofacts evaluates the Sony A9 mirrorless camera during an indoor horse jumping event. The reviewer praises the camera's exceptional, high-performing capabilities. Key pros include its lightweight design that significantly reduces physical fatigue, a massive and rapid image buffer, and a highly logical, tabbed menu structure. Its electronic viewfinder (EVF) is...Read more

nandoonline.com

08/10/2017

Nando describes the Sony A9 as a fantastic, high-speed mirrorless camera with revolutionary autofocus and improved ergonomics, though it is not deemed perfect. While offering immense continuous shooting speeds for professional workflows, the camera has specific, notable drawbacks, according to the reviewer. However, the review concludes that for dedicated action and sports...Read more

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