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Nikon Z6 vs Sony A99 II

The Nikon Z6 and the Sony Alpha ALT-A99 II are two digital cameras that were announced, respectively, in August 2018 and September 2016. The Z6 is a mirrorless interchangeable lens camera, while the A99 II is a DSLR. Both cameras are equipped with a full frame sensor. The Nikon has a resolution of 24.3 megapixels, whereas the Sony 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
Nikon Z6
versus
Sony A99 II
Nikon Z6   Sony A99 II
Mirrorless system camera Digital single lens reflex
Nikon Z mount lenses Sony A mount lenses
24.3 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 (3690k dots) Electronic viewfinder (2400k dots)
3.2" LCD – 2100k dots 3.0" LCD – 1229k dots
Tilting touchscreen Fully flexible screen (no touchscreen)
12 shutter flaps per second 12 shutter flaps per second
In-body stabilizationIn-body stabilization
Weathersealed bodyWeathersealed body
310 shots per battery charge490 shots per battery charge
134 x 101 x 67 mm, 675 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 Nikon Z6 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

The physical size and weight of the Nikon Z6 and the Sony A99 II are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All width, height and depth measures are rounded to the nearest millimeter.

Size Nikon Z6 vs Sony A99 II
Compare Z6 versus A99 II top
Comparison Z6 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 (10 percent) than the Nikon Z6. Moreover, the A99 II is markedly heavier (26 percent) than the Z6. 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 Z6 gets 310 shots out of its Nikon EN-EL15b 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 Z6 can be charged via the USB port, so that it is not always necessary to take the battery charger along when travelling.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. In case you want to display and compare another camera duo, you can use the CAM-parator app to select your camera combination among a large number of options.

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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.
 
Nikon Z6 134 mm 101 mm 67 mm 675 g 310 Y Aug 2018 US$ 1 999ebay.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 D750 141 mm 113 mm 78 mm 750 g 1230 Y Sep 2014 US$ 2 299ebay.com
5.
 
Nikon D850 146 mm 124 mm 79 mm 1005 g 1840 Y Jul 2017 US$ 3 299 amazon.com
6.
 
Nikon Z5 134 mm 101 mm 67 mm 675 g 470 Y Jul 2020 US$ 1 399 amazon.com
7.
 
Nikon Z6 II 134 mm 101 mm 70 mm 705 g 410 Y Oct 2020 US$ 1 999 amazon.com
8.
 
Nikon Z7 134 mm 101 mm 67 mm 675 g 330 Y Aug 2018 US$ 3 399ebay.com
9.
 
Nikon Zf 144 mm 103 mm 49 mm 710 g 380 Y Sep 2023 US$ 1 999 amazon.com
10.
 
Panasonic S5 133 mm 98 mm 82 mm 714 g 440 Y Sep 2020 US$ 1 999 amazon.com
11.
 
Sony A7 II 127 mm 96 mm 60 mm 599 g 350 Y Nov 2014 US$ 1 999ebay.com
12.
 
Sony A7 III 127 mm 96 mm 74 mm 650 g 610 Y Feb 2018 US$ 1 999 amazon.com
13.
 
Sony A7R II 127 mm 96 mm 60 mm 625 g 290 Y Jun 2015 US$ 3 199ebay.com
14.
 
Sony A7R IIIA 127 mm 96 mm 74 mm 650 g 650 Y Apr 2021 US$ 3 199 amazon.com
15.
 
Sony A7S II 127 mm 96 mm 60 mm 627 g 370 Y Sep 2015 US$ 2 999ebay.com
16.
 
Sony A9 127 mm 96 mm 63 mm 673 g 650 Y Apr 2017 US$ 4 499ebay.com
17.
 
Sony A9 II 129 mm 96 mm 76 mm 678 g 690 Y Oct 2019 US$ 4 499 amazon.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

Any camera decision will obviously take relative prices into account. 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 Z6 was launched at a markedly lower price (by 38 percent) than the A99 II, which puts it into a different market segment. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. 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.

Sensor comparison

The size of the imaging sensor is a crucial determinant of image quality. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixels in a sensor of the same technological generation. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its 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. 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.

Nikon Z6 and Sony A99 II sensor measures

With 42.2MP, the A99 II offers a higher resolution than the Z6 (24.3MP), but the A99 II has smaller individual pixels (pixel pitch of 4.52μm versus 5.94μm for the Z6). It is noteworthy in this context that the Z6 is a somewhat more recent model (by 1 year and 11 months) than the A99 II, and its sensor might 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 Nikon Z6 are 30.2 x 20.1 inches or 76.8 x 51.1 cm for good quality, 24.2 x 16.1 inches or 61.4 x 40.9 cm for very good quality, and 20.2 x 13.4 inches or 51.2 x 34.1 cm for excellent quality prints.

The Nikon Z6 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.

Technology-wise, both cameras are equipped with BSI-CMOS (Backside Illuminated Complementary Metal–Oxide–Semiconductor) sensors. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

Z6 versus A99 II MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). The Overall DXO ratings for the two cameras under consideration are close, suggesting that they provide similar imaging performance. The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

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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.
 
Nikon Z6 Full Frame 24.3 6048 40244K/30p25.314.3329995
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 D750 Full Frame 24.2 6016 40161080/60p24.814.5295693
5.
 
Nikon D850 Full Frame 45.4 8256 55044K/30p26.414.82660100
6.
 
Nikon Z5 Full Frame 24.2 6016 40164K/30p25.314.3292995
7.
 
Nikon Z6 II Full Frame 24.3 6048 40244K/60p25.014.4330394
8.
 
Nikon Z7 Full Frame 45.4 8256 55044K/30p26.314.6266899
9.
 
Nikon Zf Full Frame 24.3 6048 40244K/60p25.414.7324396
10.
 
Panasonic S5 Full Frame 24.0 6000 40004K/60p25.114.5269794
11.
 
Sony A7 II Full Frame 24.0 6000 40001080/60p24.913.6244990
12.
 
Sony A7 III Full Frame 24.0 6000 40004K/30p25.014.7373096
13.
 
Sony A7R II Full Frame 42.2 7952 53044K/30p26.013.9343498
14.
 
Sony A7R IIIA Full Frame 42.2 7952 53044K/30p26.014.73523100
15.
 
Sony A7S II Full Frame 12.0 4240 28324K/30p23.613.3299385
16.
 
Sony A9 Full Frame 24.0 6000 40004K/30p24.913.3351792
17.
 
Sony A9 II Full Frame 24.0 6000 40004K/30p25.014.0343493
Note: DXO values in italics represent estimates based on sensor size and age.

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 Z6 offers a substantially higher resolution than the one in the A99 II (3690k vs 2400k dots). The table below summarizes some of the other core capabilities of the Nikon Z6 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.
 
Nikon Z63690 Y3.2 / 2100 tilting Y 1/8000s 12.0/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 D750optical Y3.2 / 1229 tilting n 1/4000s 6.0/s Y n
5.
 
Nikon D850optical Y3.2 / 2359 tilting Y 1/8000s 9.0/s n n
6.
 
Nikon Z53690 n3.2 / 1040 tilting Y 1/8000s 4.5/s n Y
7.
 
Nikon Z6 II3690 Y3.2 / 2100 tilting Y 1/8000s 14.0/s n Y
8.
 
Nikon Z73690 Y3.2 / 2100 tilting Y 1/8000s 9.0/s n Y
9.
 
Nikon Zf3690 n3.2 / 2100 swivel Y 1/8000s 14.0/s n Y
10.
 
Panasonic S52360 n3.0 / 1840 swivel Y 1/8000s 7.0/s n Y
11.
 
Sony A7 II2400 n3.0 / 1230 tilting n 1/8000s 5.0/s n Y
12.
 
Sony A7 III2359 n3.0 / 922 tilting Y 1/8000s 10.0/s n Y
13.
 
Sony A7R II2400 n3.0 / 1229 tilting n 1/8000s 5.0/s n Y
14.
 
Sony A7R IIIA3686 n3.0 / 2340 tilting Y 1/8000s 10.0/s n Y
15.
 
Sony A7S II2400 n3.0 / 1229 tilting n 1/8000s 5.0/s n Y
16.
 
Sony A93686 n3.0 / 1440 tilting Y 1/8000s 20.0/s n Y
17.
 
Sony A9 II3686 n3.0 / 1440 tilting Y 1/8000s 20.0/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 Z6 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 Z6 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 Z6 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 Nikon Z6 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 Z6 writes its imaging data to XQD cards, while the A99 II uses SDXC or Memory Stick PRO Duo cards. The A99 II features dual card slots, which can be very useful in case a memory card fails. In contrast, the Z6 only has one slot.

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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 Nikon Z6 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.
 
Nikon Z6Ystereo / monoYYmicro3.1Y-Y
2.
 
Sony A99 IIYstereo / monoYYmicro2.0YYY
3.
 
Canon 5DS RYmono / monoY-mini3.0---
4.
 
Nikon D750Ystereo / monoYYmini2.0Y--
5.
 
Nikon D850Ystereo / monoYYmini3.0YYY
6.
 
Nikon Z5Ystereo / monoYYmicro3.2Y-Y
7.
 
Nikon Z6 IIYstereo / monoYYmicro3.2Y-Y
8.
 
Nikon Z7Ystereo / monoYYmicro3.1Y-Y
9.
 
Nikon ZfYstereo / monoYYmicro3.2Y-Y
10.
 
Panasonic S5Ystereo / monoYYmicro3.2Y-Y
11.
 
Sony A7 IIYstereo / monoYYmicro2.0YY-
12.
 
Sony A7 IIIYstereo / monoYYmicro3.1YYY
13.
 
Sony A7R IIYstereo / monoYYmicro2.0YY-
14.
 
Sony A7R IIIAYstereo / monoYYmicro3.2YYY
15.
 
Sony A7S IIYstereo / monoYYmicro2.0YY-
16.
 
Sony A9Ystereo / monoYYmicro2.0YYY
17.
 
Sony A9 IIYstereo / monoYYmicro3.1YYY

Studio photographers will appreciate that the Sony A99 II (unlike the Z6) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the Z6 and the A99 II have been discontinued, but can regularly be found used on ebay. The Z6 was replaced by the Nikon Z6 II, while the A99 II does not have a direct successor. Further information on the features and operation of the Z6 and A99 II can be found, respectively, in the Nikon Z6 Manual (free pdf) or the online Sony A99 II Manual.

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Review summary

So what is the bottom line? Is there a clear favorite between the Nikon Z6 and the Sony A99 II? Which camera is better? A synthesis of the relative strong points of each of the models is listed below.

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Advantages of the Nikon Z6:

  • 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 (0.9 EV of extra DR).
  • Better low-light sensitivity: Requires less light for good images (0.5 stops ISO advantage).
  • More detailed viewfinder: Has higher resolution electronic viewfinder (3690k vs 2400k dots).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.80x vs 0.78x).
  • Larger screen: Has a bigger rear LCD (3.2" vs 3.0") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (2100k vs 1229k dots).
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Less heavy: Is lighter (by 174g or 20 percent) and hence easier to carry around.
  • 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).
  • More affordable: Was introduced into a lower priced category (38 percent cheaper at launch).
  • More modern: Is somewhat more recent (announced 1 year and 11 months after the A99 II).

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Reasons to prefer the Sony Alpha ALT-A99 II:

  • More detail: Has more megapixels (42.2 vs 24.3MP), which boosts linear resolution by 32%.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • 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.
  • Longer lasting: Gets more shots (490 versus 310) out of a single battery charge.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • More heavily discounted: Has been on the market for longer (launched in September 2016).

If the count of relative strengths (bullet points above) is taken as a measure, the Z6 is the clear winner of the match-up (16 : 9 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 sports photographer will view the differences between cameras in a way that diverges from the perspective of a street photog, and a person interested in family portraits has distinct needs from a landscape shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

Z6 16:09 A99 II

How about other alternatives? Do the specifications of the Nikon Z6 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 specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it remains incomplete and does no justice, for example, to the way the Z6 or the A99 II perform in practice. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.

Expert reviews

This is why hands-on reviews by experts are important. The table below provides a synthesis of the camera assessments of some of the best known photo-gear 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.
 
Nikon Z65/5..5/589/1004.5/55/5 Aug 2018 US$ 1 999ebay.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 D7505/5+ +4/590/1004.5/54.5/5 Sep 2014 US$ 2 299ebay.com
5.
 
Nikon D8504.5/5+ +5/589/1004.5/55/5 Jul 2017 US$ 3 299 amazon.com
6.
 
Nikon Z54/5..4/589/1004.5/54/5 Jul 2020 US$ 1 399 amazon.com
7.
 
Nikon Z6 II4.5/5..4/589/1004.5/54.5/5 Oct 2020 US$ 1 999 amazon.com
8.
 
Nikon Z75/5+4.8/589/1004.5/55/5 Aug 2018 US$ 3 399ebay.com
9.
 
Nikon Zf4.5/5..4.5/590/1004.5/55/5 Sep 2023 US$ 1 999 amazon.com
10.
 
Panasonic S54.5/5+ +4.5/588/1004.5/54.5/5 Sep 2020 US$ 1 999 amazon.com
11.
 
Sony A7 II5/5+4/582/1004.5/55/5 Nov 2014 US$ 1 999ebay.com
12.
 
Sony A7 III..+ +4.5/589/1005/55/5 Feb 2018 US$ 1 999 amazon.com
13.
 
Sony A7R II5/5+ +5/590/1005/55/5 Jun 2015 US$ 3 199ebay.com
14.
 
Sony A7R IIIA..+ +4/590/1004.5/55/5 Apr 2021 US$ 3 199 amazon.com
15.
 
Sony A7S II5/5+....4.5/55/5 Sep 2015 US$ 2 999ebay.com
16.
 
Sony A95/5+ +4.8/589/1005/55/5 Apr 2017 US$ 4 499ebay.com
17.
 
Sony A9 II....5/590/1005/55/5 Oct 2019 US$ 4 499 amazon.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The review scores listed above should be treated with care, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and comparisons of ratings among very different cameras or across long time periods have little meaning. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

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Other camera comparisons

Did this review help to inform your camera decision process? If you would like to see a different side-by-side camera review, just make a corresponding selection in the search boxes below. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.

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    Specifications: Nikon Z6 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 Nikon Z6 Sony A99 II
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Nikon Z mount lenses Sony A mount lenses
    Launch Date August 2018 September 2016
    Launch Price USD 1,999 USD 3,199
    Sensor Specs Nikon Z6 Sony A99 II
    Sensor Technology BSI-CMOS BSI-CMOS
    Sensor Format Full Frame Sensor Full Frame Sensor
    Sensor Size 35.9 x 23.9 mm 35.9 x 24.0 mm
    Sensor Area 858.01 mm2 861.6 mm2
    Sensor Diagonal 43.1 mm 43.2 mm
    Crop Factor 1.0x 1.0x
    Sensor Resolution 24.3 Megapixels 42.2 Megapixels
    Image Resolution 6048 x 4024 pixels 7952 x 5304 pixels
    Pixel Pitch 5.94 μm 4.52 μm
    Pixel Density 2.84 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 EXPEED 6 BIONZ X
    DXO Sensor Quality (score) 95 92
    DXO Color Depth (bits) 25.3 25.4
    DXO Dynamic Range (EV) 14.3 13.4
    DXO Low Light (ISO) 3299 2317
    Screen Specs Nikon Z6 Sony A99 II
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.80x 0.78x
    Viewfinder Resolution 3690k dots 2400k dots
    Top-Level Screen Control Panel Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.2inch 3.0inch
    LCD Resolution 2100k dots 1229k dots
    LCD Attachment Tilting screen Fully flexible screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Nikon Z6 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 12 shutter flaps/s 12 shutter flaps/s
    Shutter Life Expectancy200 000 actuations300 000 actuations
    Electronic Shutterup to 1/8000sno 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 XQD cards MS or SDXC cards
    Single or Dual Card Slots Single card slot Dual card slots
    Connectivity Specs Nikon Z6 Sony A99 II
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync 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 no NFC NFC built-in
    Bluetooth Support Bluetooth built-in Bluetooth built-in
    Body Specs Nikon Z6 Sony A99 II
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type Nikon EN-EL15b Sony NP-FM500H
    Battery Life (CIPA)310 shots per charge490 shots per charge
    In-Camera Charging USB charging no USB charging
    Body Dimensions 134 x 101 x 67 mm
    (5.3 x 4.0 x 2.6 in)
    143 x 104 x 76 mm
    (5.6 x 4.1 x 3.0 in)
    Camera Weight 675 g (23.8 oz) 849 g (29.9 oz)
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    Check Z6 offers at
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    Check A99 II offers at
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