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Sony A9 II vs A99 II

The Sony Alpha A9 II and the Sony Alpha ALT-A99 II are two professional cameras that were announced, respectively, in October 2019 and September 2016. The A9 II is a mirrorless interchangeable lens camera, while the A99 II is a DSLR. Both cameras are equipped with a full frame sensor. The A9 II has a resolution of 24 megapixels, whereas the A99 II provides 42.2 MP.

Below is an overview of the main specs of the two cameras as a starting point for the comparison.

Headline Specifications
Sony A9 II
versus
Sony A99 II
Sony A9 II   Sony A99 II
Mirrorless system camera Digital single lens reflex
Sony E mount lenses Sony A mount lenses
24 MP – Full Frame sensor 42.2 MP – Full Frame sensor
4K/30p Video 4K/30p Video
ISO 100-51,200 (50 - 204,800) ISO 100-25,600
Electronic viewfinder (3686k dots) Electronic viewfinder (2400k dots)
3.0" LCD – 1440k dots 3.0" LCD – 1229k dots
Tilting touchscreen Fully flexible screen (no touchscreen)
20 shutter flaps per second 12 shutter flaps per second
In-body stabilizationIn-body stabilization
Weathersealed bodyWeathersealed body
690 shots per battery charge490 shots per battery charge
129 x 96 x 76 mm, 678 g 143 x 104 x 76 mm, 849 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Sony Alpha A9 II and the Sony Alpha ALT-A99 II? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.

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Body comparison

An illustration of the physical size and weight of the Sony A9 II and the Sony A99 II is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All size dimensions are rounded to the nearest millimeter.

Size Sony A9 II vs Sony A99 II
Compare A9 II versus A99 II top
Comparison A9 II or A99 II rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A99 II is notably larger (20 percent) than the Sony A9 II. Moreover, the A99 II is markedly heavier (25 percent) than the A9 II. In this context, it is worth noting that both cameras are splash and dust-proof and can, hence, be used in inclement weather conditions or harsh environments.

The above size and weight comparisons are to some extent incomplete since they do not consider the interchangeable lenses that both of these cameras require. Hence, you might want to study and compare the specifications of available lenses in order to get the full picture of the size and weight of the two camera systems.

Concerning battery life, the A9 II gets 690 shots out of its Sony NP-FZ100 battery, while the A99 II can take 490 images on a single charge of its Sony NP-FM500H power pack. The power pack in the A9 II can be charged via the USB port, so that it is not always necessary to take the battery charger along when travelling.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. If you would like to visualize and compare a different camera combination, you can navigate to the CAM-parator app and make your selection from a broad list of cameras there.

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Body Specifications
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price
Street
Price
1.
 
Sony A9 II 129 mm 96 mm 76 mm 678 g 690 Y Oct 2019 US$ 4 499 amazon.com
2.
 
Sony A99 II 143 mm 104 mm 76 mm 849 g 490 Y Sep 2016 US$ 3 199ebay.com
3.
 
Canon 5DS R 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 US$ 3 699ebay.com
4.
 
Nikon D850 146 mm 124 mm 79 mm 1005 g 1840 Y Jul 2017 US$ 3 299 amazon.com
5.
 
Sony A7 II 127 mm 96 mm 60 mm 599 g 350 Y Nov 2014 US$ 1 999ebay.com
6.
 
Sony A7 III 127 mm 96 mm 74 mm 650 g 610 Y Feb 2018 US$ 1 999 amazon.com
7.
 
Sony A7C 124 mm 71 mm 60 mm 509 g 740 Y Sep 2020 US$ 1 799 amazon.com
8.
 
Sony A7R II 127 mm 96 mm 60 mm 625 g 290 Y Jun 2015 US$ 3 199ebay.com
9.
 
Sony A7R III 127 mm 96 mm 74 mm 650 g 650 Y Oct 2017 US$ 3 199ebay.com
10.
 
Sony A7R IIIA 127 mm 96 mm 74 mm 650 g 650 Y Apr 2021 US$ 3 199 amazon.com
11.
 
Sony A7R IV 129 mm 96 mm 78 mm 665 g 670 Y Jul 2019 US$ 3 499ebay.com
12.
 
Sony A7R V 131 mm 97 mm 82 mm 723 g 530 Y Oct 2022 US$ 3 899 amazon.com
13.
 
Sony A7S II 127 mm 96 mm 60 mm 627 g 370 Y Sep 2015 US$ 2 999ebay.com
14.
 
Sony A7S III 127 mm 97 mm 81 mm 699 g 600 Y Jul 2020 US$ 3 499 amazon.com
15.
 
Sony A9 127 mm 96 mm 63 mm 673 g 650 Y Apr 2017 US$ 4 499ebay.com
16.
 
Sony A99 147 mm 111 mm 78 mm 812 g 500 Y Sep 2012 US$ 2 799ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

The price is, of course, an important factor in any camera decision. The retail prices at the time of the camera’s release place the model in the market relative to other models in the producer’s line-up and the competition. The A99 II was launched at a markedly lower price (by 29 percent) than the A9 II, which puts it into a different market segment. Usually, retail prices stay at first close to the launch price, but after several months, discounts become available. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

Sensor comparison

The imaging sensor is at the core of digital cameras and its size is one of the main determining factors of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units in a sensor of the same technological generation. Furthermore, a large sensor camera will give the photographer more possibilities to use shallow depth-of-field in order to isolate a subject from the background. On the downside, larger sensors are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Both cameras under consideration feature a full frame sensor, but their sensors differ slightly in size. The sensor area in the A99 II is 2 percent bigger. They nevertheless have the same format factor of 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Sony A9 II and Sony A99 II sensor measures

With 42.2MP, the A99 II offers a higher resolution than the A9 II (24MP), but the A99 II has smaller individual pixels (pixel pitch of 4.52μm versus 5.94μm for the A9 II). Yet, the A9 II is a much more recent model (by 3 years) than the A99 II, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units. Coming back to sensor resolution, it should be mentioned that the A99 II has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Sony A99 II implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A99 II for good quality output (200 dots per inch) amounts to 39.8 x 26.5 inches or 101 x 67.4 cm, for very good quality (250 dpi) 31.8 x 21.2 inches or 80.8 x 53.9 cm, and for excellent quality (300 dpi) 26.5 x 17.7 inches or 67.3 x 44.9 cm. The corresponding values for the Sony A9 II are 30 x 20 inches or 76.2 x 50.8 cm for good quality, 24 x 16 inches or 61 x 40.6 cm for very good quality, and 20 x 13.3 inches or 50.8 x 33.9 cm for excellent quality prints.

The Sony Alpha A9 II has a native sensitivity range from ISO 100 to ISO 51200, which can be extended to ISO 50-204800. The corresponding ISO settings for the Sony Alpha ALT-A99 II are ISO 100 to ISO 25600, with the possibility to increase the ISO range to 50-25600.

In terms of underlying technology, the A9 II is build around a Stacked BSI-CMOS sensor, while the A99 II uses a BSI-CMOS imager. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

A9 II versus A99 II MP

For many cameras, data on sensor performance has been reported by DXO Mark. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). The Overall DXO ratings for the two cameras under consideration are close, suggesting that they provide similar imaging performance. The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.

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Sensor Characteristics
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Sony A9 II Full Frame 24.0 6000 40004K/30p25.014.0343493
2.
 
Sony A99 II Full Frame 42.2 7952 53044K/30p25.413.4231792
3.
 
Canon 5DS R Full Frame 50.3 8688 57921080/30p24.612.4230886
4.
 
Nikon D850 Full Frame 45.4 8256 55044K/30p26.414.82660100
5.
 
Sony A7 II Full Frame 24.0 6000 40001080/60p24.913.6244990
6.
 
Sony A7 III Full Frame 24.0 6000 40004K/30p25.014.7373096
7.
 
Sony A7C Full Frame 24.0 6000 40004K/30p25.014.7340795
8.
 
Sony A7R II Full Frame 42.2 7952 53044K/30p26.013.9343498
9.
 
Sony A7R III Full Frame 42.2 7952 53044K/30p26.014.73523100
10.
 
Sony A7R IIIA Full Frame 42.2 7952 53044K/30p26.014.73523100
11.
 
Sony A7R IV Full Frame 60.2 9504 63364K/30p26.014.8334499
12.
 
Sony A7R V Full Frame 60.2 9504 63368k/24p26.514.83187100
13.
 
Sony A7S II Full Frame 12.0 4240 28324K/30p23.613.3299385
14.
 
Sony A7S III Full Frame 12.0 4240 28324K/120p23.713.9252086
15.
 
Sony A9 Full Frame 24.0 6000 40004K/30p24.913.3351792
16.
 
Sony A99 Full Frame 24.0 6000 40001080/60p25.014.0155589

Many modern cameras cannot only take still pictures, but also record videos. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, and both provide the same movie specifications (4K/30p).

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Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. The two cameras under consideration are similar with respect to both having an electronic viewfinder. However, the one in the A9 II offers a substantially higher resolution than the one in the A99 II (3686k vs 2400k dots). The table below summarizes some of the other core capabilities of the Sony A9 II and Sony A99 II in connection with corresponding information for a sample of similar cameras.

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Core Features
  empty Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Max
Shutter
Speed *
Max
Shutter
Flaps *
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Sony A9 II3686 n3.0 / 1440 tilting Y 1/8000s 20.0/s n Y
2.
 
Sony A99 II2400 Y3.0 / 1229 full-flex n 1/8000s 12.0/s n Y
3.
 
Canon 5DS Roptical Y3.2 / 1040 fixed n 1/8000s 5.0/s n n
4.
 
Nikon D850optical Y3.2 / 2359 tilting Y 1/8000s 9.0/s n n
5.
 
Sony A7 II2400 n3.0 / 1230 tilting n 1/8000s 5.0/s n Y
6.
 
Sony A7 III2359 n3.0 / 922 tilting Y 1/8000s 10.0/s n Y
7.
 
Sony A7C2360 n3.0 / 922 swivel Y 1/4000s 10.0/s n Y
8.
 
Sony A7R II2400 n3.0 / 1229 tilting n 1/8000s 5.0/s n Y
9.
 
Sony A7R III3686 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
10.
 
Sony A7R IIIA3686 n3.0 / 2340 tilting Y 1/8000s 10.0/s n Y
11.
 
Sony A7R IV5760 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
12.
 
Sony A7R V9440 n3.2 / 2100 full-flex Y 1/8000s 10.0/s n Y
13.
 
Sony A7S II2400 n3.0 / 1229 tilting n 1/8000s 5.0/s n Y
14.
 
Sony A7S III9440 n3.0 / 1440 swivel Y 1/8000s 10.0/s n Y
15.
 
Sony A93686 n3.0 / 1440 tilting Y 1/8000s 20.0/s n Y
16.
 
Sony A992359 Y3.0 / 1229 full-flex n 1/8000s 6.0/s n Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The A9 II has a touchscreen, while the A99 II has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

The A99 II has an articulated screen that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in taking selfies. In contrast, the A9 II does not have a selfie-screen.

The reported shutter speed information refers to the use of the mechanical shutter. Yet, some cameras only have an electronic shutter, while others have an electronic shutter in addition to a mechanical one. In fact, the A9 II is one of those camera that have an additional electronic shutter, which makes completely silent shooting possible. However, this mode is less suitable for photographing moving objects (risk of rolling shutter) or shooting under artificial light sources (risk of flickering).

The Sony A9 II has an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.

The A9 II writes its imaging data to SDXC cards, while the A99 II uses SDXC or Memory Stick PRO Duo cards. Both cameras feature dual card slots, which can be very useful in case a memory card fails. The A9 II supports UHS-II cards (on both slots), while the A99 II can use UHS-I cards.

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Connectivity comparison

For some imaging applications, the extent to which a camera can communicate with its environment can be an important aspect in the camera decision process. The table below provides an overview of the connectivity of the Sony Alpha A9 II and Sony Alpha ALT-A99 II and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  empty Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Sony A9 IIYstereo / monoYYmicro3.1YYY
2.
 
Sony A99 IIYstereo / monoYYmicro2.0YYY
3.
 
Canon 5DS RYmono / monoY-mini3.0---
4.
 
Nikon D850Ystereo / monoYYmini3.0YYY
5.
 
Sony A7 IIYstereo / monoYYmicro2.0YY-
6.
 
Sony A7 IIIYstereo / monoYYmicro3.1YYY
7.
 
Sony A7CYstereo / monoYYmicro3.2YYY
8.
 
Sony A7R IIYstereo / monoYYmicro2.0YY-
9.
 
Sony A7R IIIYstereo / monoYYmicro3.1YYY
10.
 
Sony A7R IIIAYstereo / monoYYmicro3.2YYY
11.
 
Sony A7R IVYstereo / monoYYmicro3.1YYY
12.
 
Sony A7R VYstereo / monoYYfull3.2Y-Y
13.
 
Sony A7S IIYstereo / monoYYmicro2.0YY-
14.
 
Sony A7S IIIYstereo / monoYYfull3.2Y-Y
15.
 
Sony A9Ystereo / monoYYmicro2.0YYY
16.
 
Sony A99Ystereo / monoYYmini2.0---

Both cameras feature a PC Sync terminal to control professional strobe lights, which will be appreciated by studio photographers.

The A9 II is a recent model that features in the current product line-up of Sony. In contrast, the A99 II has been discontinued (but can be found pre-owned on ebay). There has not been a direct replacement model for the A99 II from Sony. Further information on the features and operation of the A9 II and A99 II can be found, respectively, in the Sony A9 II Manual (free pdf) or the online Sony A99 II Manual.

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Review summary

So how do things add up? Is the Sony A9 II better than the Sony A99 II or vice versa? Below is a summary of the relative strengths of each of the two contestants.


Advantages of the Sony Alpha A9 II:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • More dynamic range: Captures a larger spectrum of light and dark details (0.6 EV of extra DR).
  • Better low-light sensitivity: Requires less light for good images (0.6 stops ISO advantage).
  • More detailed viewfinder: Has higher resolution electronic viewfinder (3686k vs 2400k dots).
  • More detailed LCD: Has a higher resolution rear screen (1440k vs 1229k dots).
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • Faster burst: Shoots at higher frequency (20 vs 12 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • More compact: Is smaller (129x96mm vs 143x104mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 171g or 20 percent) and hence easier to carry around.
  • Longer lasting: Can take more shots (690 versus 490) on a single battery charge.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • More legacy lens friendly: Can take a broad range of non-native lenses via adapters.
  • Faster data transfer: Supports a more advanced USB protocol (3.1 vs 2.0).
  • Faster buffer clearing: Supports a more advanced SD data transfer standard (UHS-II vs UHS-I).
  • More modern: Reflects 3 years of technical progress since the A99 II launch.


Reasons to prefer the Sony Alpha ALT-A99 II:

  • More detail: Has more megapixels (42.2 vs 24MP), which boosts linear resolution by 33%.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • More flexible LCD: Has a full-flex screen for odd-angle shots in portrait or landscape orientation.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • More affordable: Was introduced into a lower priced category (29 percent cheaper at launch).
  • More heavily discounted: Has been around for much longer (launched in September 2016).

If the count of relative strengths (bullet points above) is taken as a measure, the A9 II is the clear winner of the match-up (17 : 7 points). However, the pertinence of the various camera strengths will differ across photographers, so that you might want to weigh individual camera traits according to their importance for your own imaging needs before making a camera decision. A professional wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

A9 II 17:07 A99 II

How about other alternatives? Do the specifications of the Sony A9 II and the Sony A99 II place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera and Best DSLR Camera listings whether the two cameras rank among the cream of the crop.

In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the A9 II or the A99 II. User reviews that are available, for instance, at amazon can sometimes shed light on these issues, but such feedback is all too often partial, inconsistent, and inaccurate.

Expert reviews

This is why expert reviews are important. The adjacent summary-table relays the overall verdicts of several of the most popular camera review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

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Expert Camera Reviews
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price
Street
Price
1.
 
Sony A9 II....5/590/1005/55/5 Oct 2019 US$ 4 499 amazon.com
2.
 
Sony A99 II....4.5/585/1004.5/54.5/5 Sep 2016 US$ 3 199ebay.com
3.
 
Canon 5DS R5/5+..83/1005/54.5/5 Feb 2015 US$ 3 699ebay.com
4.
 
Nikon D8504.5/5+ +5/589/1004.5/55/5 Jul 2017 US$ 3 299 amazon.com
5.
 
Sony A7 II5/5+4/582/1004.5/55/5 Nov 2014 US$ 1 999ebay.com
6.
 
Sony A7 III..+ +4.5/589/1005/55/5 Feb 2018 US$ 1 999 amazon.com
7.
 
Sony A7C3.5/5..3.5/586/1004/54/5 Sep 2020 US$ 1 799 amazon.com
8.
 
Sony A7R II5/5+ +5/590/1005/55/5 Jun 2015 US$ 3 199ebay.com
9.
 
Sony A7R III..+ +4/590/1004.5/55/5 Oct 2017 US$ 3 199ebay.com
10.
 
Sony A7R IIIA..+ +4/590/1004.5/55/5 Apr 2021 US$ 3 199 amazon.com
11.
 
Sony A7R IV5/5+4.5/591/1004.5/55/5 Jul 2019 US$ 3 499ebay.com
12.
 
Sony A7R V5/5+ +4.5/592/100.... Oct 2022 US$ 3 899 amazon.com
13.
 
Sony A7S II5/5+....4.5/55/5 Sep 2015 US$ 2 999ebay.com
14.
 
Sony A7S III4.5/5+ +5/591/1004.5/55/5 Jul 2020 US$ 3 499 amazon.com
15.
 
Sony A95/5+ +4.8/589/1005/55/5 Apr 2017 US$ 4 499ebay.com
16.
 
Sony A995/5....84/1004.5/54.5/5 Sep 2012 US$ 2 799ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

Care should be taken when interpreting the review scores above, though. The ratings are only valid when referring to cameras in the same category and of the same age. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and comparisons of ratings among very different cameras or across long time periods have little meaning. Also, please note that some of the review sites have changed their methodology and reporting over time.

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Other camera comparisons

Did this review help to inform your camera decision process? In case you would like to check on the differences and similarities of other camera models, just make your choice using the following search menu. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Sony A9 II vs Sony A99 II

    Below is a side-by-side comparison of the specs of the two cameras to facilitate a quick review of their differences and common features.

    Camera Specifications
    Camera Model Sony A9 II Sony A99 II
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Sony E mount lenses Sony A mount lenses
    Launch Date October 2019 September 2016
    Launch Price USD 4,499 USD 3,199
    Sensor Specs Sony A9 II Sony A99 II
    Sensor Technology Stacked BSI-CMOS BSI-CMOS
    Sensor Format Full Frame Sensor Full Frame Sensor
    Sensor Size 35.6 x 23.8 mm 35.9 x 24.0 mm
    Sensor Area 847.28 mm2 861.6 mm2
    Sensor Diagonal 42.8 mm 43.2 mm
    Crop Factor 1.0x 1.0x
    Sensor Resolution 24 Megapixels 42.2 Megapixels
    Image Resolution 6000 x 4000 pixels 7952 x 5304 pixels
    Pixel Pitch 5.94 μm 4.52 μm
    Pixel Density 2.83 MP/cm2 4.90 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 4K/30p Video 4K/30p Video
    ISO Setting 100 - 51,200 ISO 100 - 25,600 ISO
    ISO Boost 50 - 204,800 ISO 50 - 25,600 ISO
    Image Processor BIONZ X BIONZ X
    DXO Sensor Quality (score) 93 92
    DXO Color Depth (bits) 25.0 25.4
    DXO Dynamic Range (EV) 14.0 13.4
    DXO Low Light (ISO) 3434 2317
    Screen Specs Sony A9 II Sony A99 II
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.78x 0.78x
    Viewfinder Resolution 3686k dots 2400k dots
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1440k dots 1229k dots
    LCD Attachment Tilting screen Fully flexible screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Sony A9 II Sony A99 II
    Focus System On-Sensor Phase-detect Phase-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/8000s
    Continuous Shooting 20 shutter flaps/s 12 shutter flaps/s
    Shutter Life Expectancy500 000 actuations300 000 actuations
    Electronic Shutterup to 1/32000sno E-Shutter
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image StabilizationIn-body stabilizationIn-body stabilization
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium SDXC cards MS or SDXC cards
    Single or Dual Card Slots Dual card slots Dual card slots
    UHS card support Dual UHS-II UHS-I
    Connectivity Specs Sony A9 II Sony A99 II
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket PC Sync socket
    USB Connector USB 3.1 USB 2.0
    HDMI Port micro HDMI micro HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket Headphone port Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Near-Field Communication NFC built-in NFC built-in
    Bluetooth Support Bluetooth built-in Bluetooth built-in
    Body Specs Sony A9 II Sony A99 II
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type Sony NP-FZ100 Sony NP-FM500H
    Battery Life (CIPA)690 shots per charge490 shots per charge
    In-Camera Charging USB charging no USB charging
    Body Dimensions 129 x 96 x 76 mm
    (5.1 x 3.8 x 3.0 in)
    143 x 104 x 76 mm
    (5.6 x 4.1 x 3.0 in)
    Camera Weight 678 g (23.9 oz) 849 g (29.9 oz)
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