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Nikon 1 J4 vs Sony A99 II

The Nikon 1 J4 and the Sony Alpha ALT-A99 II are two digital cameras that were revealed to the public, respectively, in April 2014 and September 2016. The J4 is a mirrorless interchangeable lens camera, while the A99 II is a DSLR. The cameras are based on an one-inch (J4) and a full frame (A99 II) sensor. The Nikon has a resolution of 18.2 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 1 J4
versus
Sony A99 II
Nikon 1 J4   Sony A99 II
Mirrorless system camera Digital single lens reflex
Nikon 1 mount lenses Sony A mount lenses
18.2 MP – 1" sensor 42.2 MP – Full Frame sensor
1080/60p Video 4K/30p Video
ISO 160-12,800 ISO 100-25,600
No viewfinder, LCD framing Electronic viewfinder (2400k dots)
3.0" LCD – 1037k dots 3.0" LCD – 1229k dots
no rear screen Fully flexible screen (no touchscreen)
60 shutter flaps per second 12 shutter flaps per second
Lens stabilization onlyIn-body stabilization
not weather sealedWeathersealed body
300 shots per battery charge490 shots per battery charge
100 x 60 x 29 mm, 232 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 1 J4 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 Nikon 1 J4 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 successive views from the front, the top, and the rear are shown. All width, height and depth dimensions are rounded to the nearest millimeter.

The J4 can be obtained in four different colors (black, silver, orange, white), while the A99 II is only available in black.

Size Nikon 1 J4 vs Sony A99 II
Compare J4 versus A99 II top
Comparison J4 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 considerably larger (148 percent) than the Nikon 1 J4. Moreover, the A99 II is substantially heavier (266 percent) than the J4. It is noteworthy in this context that the A99 II is splash and dust-proof, while the J4 does not feature any corresponding weather-sealing.

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.

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 (USD)
Street
Price
1.
 
Nikon 1 J4 100 mm 60 mm 29 mm 232 g 300 n Apr 2014 549ebay.com
2.
 
Sony A99 II 143 mm 104 mm 76 mm 849 g 490 Y Sep 2016 3,199ebay.com
3.
 
Canon 5DS R 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 3,699ebay.com
4.
 
Canon G9 X 98 mm 58 mm 31 mm 209 g 220 n Oct 2015 529ebay.com
5.
 
Canon G9 X Mark II 98 mm 58 mm 31 mm 206 g 235 n Jan 2017 529ebay.com
6.
 
Canon SL1 117 mm 91 mm 69 mm 407 g 380 n Mar 2013 549ebay.com
7.
 
Nikon 1 J5 98 mm 60 mm 32 mm 231 g 250 n Apr 2015 399ebay.com
8.
 
Nikon 1 V2 109 mm 82 mm 46 mm 278 g 310 n Oct 2012 799ebay.com
9.
 
Nikon 1 V3 111 mm 65 mm 33 mm 381 g 310 n Mar 2014 799ebay.com
10.
 
Nikon D850 146 mm 124 mm 79 mm 1005 g 1840 Y Jul 2017 3,299 amazon.com
11.
 
Nikon P900 140 mm 103 mm 137 mm 899 g 360 n Mar 2015 599ebay.com
12.
 
Panasonic FZ1000 137 mm 99 mm 131 mm 831 g 360 n Jun 2014 899ebay.com
13.
 
Panasonic G6 122 mm 85 mm 71 mm 390 g 340 n Apr 2013 599ebay.com
14.
 
Panasonic GF7 107 mm 65 mm 33 mm 266 g 230 n Jan 2015 499ebay.com
15.
 
Sony A7R II 127 mm 96 mm 60 mm 625 g 290 Y Jun 2015 3,199ebay.com
16.
 
Sony A7R IIIA 127 mm 96 mm 74 mm 650 g 650 Y Apr 2021 3,199 amazon.com
17.
 
Sony A7S II 127 mm 96 mm 60 mm 627 g 370 Y Sep 2015 2,999ebay.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 listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The J4 was launched at a markedly lower price (by 83 percent) than the A99 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.

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. 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.

Of the two cameras under consideration, the Nikon 1 J4 features an one-inch sensor and the Sony A99 II a full frame sensor. The sensor area in the A99 II is 643 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.7 and 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Nikon 1 J4 and Sony A99 II sensor measures

With 42.2MP, the A99 II offers a higher resolution than the J4 (18.2MP), but the A99 II nevertheless has larger individual pixels (pixel pitch of 4.52μm versus 2.52μm for the J4) due to its larger sensor. Moreover, the A99 II is a much more recent model (by 2 years and 5 months) than the J4, 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 neither of the two cameras has an anti-alias filter installed, so they are able to capture all the detail the 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 1 J4 are 26.2 x 17.4 inches or 66.4 x 44.3 cm for good quality, 20.9 x 14 inches or 53.2 x 35.4 cm for very good quality, and 17.4 x 11.6 inches or 44.3 x 29.5 cm for excellent quality prints.

The Nikon 1 J4 has a native sensitivity range from ISO 160 to ISO 12800. 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 J4 is build around a 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.

J4 versus A99 II MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. 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"). Of the two cameras under consideration, the A99 II offers substantially better image quality than the J4 (overall score 39 points higher). The advantage is based on 4.6 bits higher color depth, 2.7 EV in additional dynamic range, and 2.4 stops in additional low light sensitivity. The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-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.
 
Nikon 1 J4 1-inch 18.2 5232 34881080/60p20.810.742653
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.
 
Canon G9 X 1-inch 20.0 5472 36481080/60p21.512.349563
5.
 
Canon G9 X Mark II 1-inch 20.0 5472 36481080/60p21.912.552265
6.
 
Canon SL1 APS-C 17.9 5184 34561080/30p21.811.384363
7.
 
Nikon 1 J5 1-inch 20.7 5568 37124K/15p21.112.047965
8.
 
Nikon 1 V2 1-inch 14.2 4608 30721080/60p20.210.840350
9.
 
Nikon 1 V3 1-inch 18.2 5232 34881080/60p20.810.738452
10.
 
Nikon D850 Full Frame 45.4 8256 55044K/30p26.414.82660100
11.
 
Nikon P900 1/2.3 15.9 4608 34561080/60p20.211.672747
12.
 
Panasonic FZ1000 1-inch 20.0 5472 36484K/30p22.111.751764
13.
 
Panasonic G6 Four Thirds 15.9 4608 34561080/60p21.311.563961
14.
 
Panasonic GF7 Four Thirds 15.8 4592 34481080/60p22.712.387470
15.
 
Sony A7R II Full Frame 42.2 7952 53044K/30p26.013.9343498
16.
 
Sony A7R IIIA Full Frame 42.2 7952 53044K/30p26.014.73523100
17.
 
Sony A7S II Full Frame 12.0 4240 28324K/30p23.613.3299385
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, but the A99 II provides a better video resolution than the J4. It can shoot movie footage at 4K/30p, while the Nikon is limited to 1080/60p.

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Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the A99 II has an electronic viewfinder (2400k dots), which can be very helpful when shooting in bright sunlight. In contrast, the J4 relies on live view and the rear LCD for framing. The adjacent table lists some of the other core features of the Nikon 1 J4 and Sony A99 II along with similar information for a selection of comparators.

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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 1 J4none n3.0 / 1037 Fixed Y 1/4000s 60.0/s Y n
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.
 
Canon G9 Xnone n3.0 / 1040 fixed Y 1/2000s 6.0/s Y Y
5.
 
Canon G9 X Mark IInone n3.0 / 1040 fixed Y 1/2000s 8.2/s Y Y
6.
 
Canon SL1optical n3.0 / 1040 fixed Y 1/4000s 4.9/s Y n
7.
 
Nikon 1 J5none n3.0 / 1037 tilting Y 1/4000s 60.0/s Y n
8.
 
Nikon 1 V21440 n3.0 / 921 fixed n 1/4000s 15.0/s Y n
9.
 
Nikon 1 V3optional n3.0 / 1037 tilting Y 1/4000s 60.0/s Y n
10.
 
Nikon D850optical Y3.2 / 2359 tilting Y 1/8000s 9.0/s n n
11.
 
Nikon P900921 n3.0 / 921 swivel n 1/4000s 7.0/s Y Y
12.
 
Panasonic FZ10002359 n3.0 / 921 swivel n 1/4000s 12.0/s Y Y
13.
 
Panasonic G61440 n3.0 / 1036 swivel Y 1/4000s 7.0/s Y n
14.
 
Panasonic GF7none n3.0 / 1040 tilting Y 1/500s 5.8/s Y n
15.
 
Sony A7R II2400 n3.0 / 1229 tilting n 1/8000s 5.0/s n Y
16.
 
Sony A7R IIIA3686 n3.0 / 2340 tilting Y 1/8000s 10.0/s n Y
17.
 
Sony A7S II2400 n3.0 / 1229 tilting n 1/8000s 5.0/s n Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One difference between the cameras concerns the presence of an on-board flash. The J4 has one, while the A99 II does not. While the built-in flash of the J4 is not very powerful, it can at times be useful as a fill-in light.

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 J4 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 J4 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 J4 writes its imaging data to micro SDXC 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 J4 only has one slot. Both cameras can use UHS-I cards, which provide for Ultra High Speed data transfer of up to 104 MB/s.

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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 1 J4 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 1 J4-stereo / mono--mini2.0Y--
2.
 
Sony A99 IIYstereo / monoYYmicro2.0YYY
3.
 
Canon 5DS RYmono / monoY-mini3.0---
4.
 
Canon G9 X-stereo / mono--micro2.0YY-
5.
 
Canon G9 X Mark II-stereo / mono--micro2.0YYY
6.
 
Canon SL1Ymono / monoY-mini2.0---
7.
 
Nikon 1 J5-stereo / mono--micro2.0YY-
8.
 
Nikon 1 V2-stereo / mono--mini2.0---
9.
 
Nikon 1 V3-stereo / monoY-mini2.0Y--
10.
 
Nikon D850Ystereo / monoYYmini3.0YYY
11.
 
Nikon P900-stereo / mono--micro2.0YY-
12.
 
Panasonic FZ1000Ystereo / monoY-micro2.0YY-
13.
 
Panasonic G6Ystereo / monoY-mini2.0YY-
14.
 
Panasonic GF7-stereo / mono--micro2.0YY-
15.
 
Sony A7R IIYstereo / monoYYmicro2.0YY-
16.
 
Sony A7R IIIAYstereo / monoYYmicro3.2YYY
17.
 
Sony A7S IIYstereo / monoYYmicro2.0YY-

It is notable that the A99 II has a headphone jack, which makes it possible to attach external headphones and monitor the quality of sound during the recording process. The J4 lacks such a headphone port.

Studio photographers will appreciate that the Sony A99 II (unlike the J4) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the J4 and the A99 II have been discontinued, but can regularly be found used on ebay. The J4 was replaced by the Nikon 1 J5, while the A99 II does not have a direct successor. Further information on the features and operation of the J4 and A99 II can be found, respectively, in the Nikon 1 J4 Manual (free pdf) or the online Sony A99 II Manual.

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Review summary

So how do things add up? Is there a clear favorite between the Nikon 1 J4 and the Sony A99 II? Which camera is better? The listing below highlights the relative strengths of the two models.

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Arguments in favor of the Nikon 1 J4:

  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • Faster burst: Shoots at higher frequency (60 vs 12 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More compact: Is smaller (100x60mm vs 143x104mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 617g or 73 percent) and hence easier to carry around.
  • More legacy lens friendly: Can take a broad range of non-native lenses via adapters.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • More affordable: Was introduced into a lower priced category (83 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in April 2014).

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Advantages of the Sony Alpha ALT-A99 II:

  • More detail: Has more megapixels (42.2 vs 18.2MP), which boosts linear resolution by 52%.
  • Better image quality: Scores substantially higher (39 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (4.6 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (2.7 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (2.4 stops ISO advantage).
  • Better video: Provides higher definition movie capture (4K/30p vs 1080/60p).
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • Easier framing: Has an electronic viewfinder for image composition and settings control.
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • More detailed LCD: Has a higher resolution rear screen (1229k vs 1037k dots).
  • 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.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Longer lasting: Gets more shots (490 versus 300) out of a single battery charge.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • 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 modern: Reflects 2 years and 5 months of technical progress since the J4 launch.

If the number of relative strengths (bullet points above) is taken as a guide, the A99 II is the clear winner of the contest (23 : 9 points). However, the relative importance of the various individual camera aspects will vary according to personal preferences and needs, so that you might like to apply corresponding weights to the particular features before making a decision on a new camera. A professional wedding photographer will view the differences between cameras in a way that diverges from the perspective of a travel photog, and a person interested in cityscapes has distinct needs from a macro shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

J4 09:23 A99 II

How about other alternatives? Do the specifications of the Nikon 1 J4 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 technical specifications can provide a useful overview of the capabilities of different cameras, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the J4 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 hands-on reviews by experts 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 (USD)
Street
Price
1.
 
Nikon 1 J43/5......4.5/54/5 Apr 2014 549ebay.com
2.
 
Sony A99 II....4.5/585/1004.5/54.5/5 Sep 2016 3,199ebay.com
3.
 
Canon 5DS R5/5+..83/1005/54.5/5 Feb 2015 3,699ebay.com
4.
 
Canon G9 X3.5/5+ +....4.5/54.5/5 Oct 2015 529ebay.com
5.
 
Canon G9 X Mark II4/5..4/575/1004.5/54.5/5 Jan 2017 529ebay.com
6.
 
Canon SL14/5+..78/1004/54/5 Mar 2013 549ebay.com
7.
 
Nikon 1 J5........4.5/54.5/5 Apr 2015 399ebay.com
8.
 
Nikon 1 V23/5......4.5/54/5 Oct 2012 799ebay.com
9.
 
Nikon 1 V33/5....76/1004.5/54/5 Mar 2014 799ebay.com
10.
 
Nikon D8504.5/5+ +5/589/1004.5/55/5 Jul 2017 3,299 amazon.com
11.
 
Nikon P900......77/1004/54/5 Mar 2015 599ebay.com
12.
 
Panasonic FZ10004/5+ +..82/1004.5/54.5/5 Jun 2014 899ebay.com
13.
 
Panasonic G64/5+ +....5/54.5/5 Apr 2013 599ebay.com
14.
 
Panasonic GF74/5+....4.5/54.5/5 Jan 2015 499ebay.com
15.
 
Sony A7R II5/5+ +5/590/1005/55/5 Jun 2015 3,199ebay.com
16.
 
Sony A7R IIIA..+ +4/590/1004.5/55/5 Apr 2021 3,199 amazon.com
17.
 
Sony A7S II5/5+....4.5/55/5 Sep 2015 2,999ebay.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. Hence, a score should always be seen in the context of the camera's market launch date and its price, 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? In case you would like to check on the differences and similarities of other camera models, just use the search menu below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Nikon 1 J4 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 1 J4 Sony A99 II
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Nikon 1 mount lenses Sony A mount lenses
    Launch Date April 2014 September 2016
    Launch Price USD 549 USD 3,199
    Sensor Specs Nikon 1 J4 Sony A99 II
    Sensor Technology CMOS BSI-CMOS
    Sensor Format 1" Sensor Full Frame Sensor
    Sensor Size 13.2 x 8.8 mm 35.9 x 24.0 mm
    Sensor Area 116.16 mm2 861.6 mm2
    Sensor Diagonal 15.9 mm 43.2 mm
    Crop Factor 2.7x 1.0x
    Sensor Resolution 18.2 Megapixels 42.2 Megapixels
    Image Resolution 5232 x 3488 pixels 7952 x 5304 pixels
    Pixel Pitch 2.52 μm 4.52 μm
    Pixel Density 15.71 MP/cm2 4.90 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 1080/60p Video 4K/30p Video
    ISO Setting 160 - 12,800 ISO 100 - 25,600 ISO
    ISO Boost no Enhancement 50 - 25,600 ISO
    Image Processor EXPEED 4 BIONZ X
    DXO Sensor Quality (score) 53 92
    DXO Color Depth (bits) 20.8 25.4
    DXO Dynamic Range (EV) 10.7 13.4
    DXO Low Light (ISO) 426 2317
    Screen Specs Nikon 1 J4 Sony A99 II
    Viewfinder Type no viewfinder Electronic viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.78x
    Viewfinder Resolution 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 1037k dots 1229k dots
    LCD Attachment Fully flexible screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Nikon 1 J4 Sony A99 II
    Focus System On-Sensor Phase-detect Phase-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/8000s
    Continuous Shooting 60 shutter flaps/s 12 shutter flaps/s
    Electronic Shutterup to 1/16000sno E-Shutter
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash Built-in Flash no On-Board Flash
    Storage Medium mSDXC cards MS or SDXC cards
    Single or Dual Card Slots Single card slot Dual card slots
    UHS card support UHS-I UHS-I
    Connectivity Specs Nikon 1 J4 Sony A99 II
    External Flash no Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI micro HDMI
    Microphone Port no MIC socket External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Near-Field Communication no NFC NFC built-in
    Bluetooth Support no Bluetooth Bluetooth built-in
    Body Specs Nikon 1 J4 Sony A99 II
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type Nikon EN-EL22 Sony NP-FM500H
    Battery Life (CIPA)300 shots per charge490 shots per charge
    Body Dimensions 100 x 60 x 29 mm
    (3.9 x 2.4 x 1.1 in)
    143 x 104 x 76 mm
    (5.6 x 4.1 x 3.0 in)
    Camera Weight 232 g (8.2 oz) 849 g (29.9 oz)
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    Check J4 offers at
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    Check A99 II offers at
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