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Nikon 1 J4 vs Sony A99

The Nikon 1 J4 and the Sony Alpha SLT-A99 are two digital cameras that were revealed to the public, respectively, in April 2014 and September 2012. The J4 is a mirrorless interchangeable lens camera, while the A99 is a DSLR. The cameras are based on an one-inch (J4) and a full frame (A99) sensor. The Nikon has a resolution of 18.2 megapixels, whereas the Sony provides 24 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
Nikon 1 J4   Sony A99
Mirrorless system camera Digital single lens reflex
Nikon 1 mount lenses Sony A mount lenses
18.2 MP – 1" sensor 24 MP – Full Frame sensor
1080/60p Video 1080/60p Video
ISO 160-12,800 ISO 100-25,600
No viewfinder, LCD framing Electronic viewfinder (2359k dots)
3.0" LCD – 1037k dots 3.0" LCD – 1229k dots
no rear screen Fully flexible screen (no touchscreen)
60 shutter flaps per second 6 shutter flaps per second
Lens stabilization onlyIn-body stabilization
not weather sealedWeathersealed body
300 shots per battery charge500 shots per battery charge
100 x 60 x 29 mm, 232 g 147 x 111 x 78 mm, 812 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 SLT-A99? 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.

Body comparison

An illustration of the physical size and weight of the Nikon 1 J4 and the Sony A99 is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive views from the front, the top, and the rear side are shown. All size dimensions are rounded to the nearest millimeter.

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

Size Nikon 1 J4 vs Sony A99
Compare J4 versus A99 top
Comparison J4 or A99 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A99 is considerably larger (172 percent) than the Nikon 1 J4. Moreover, the A99 is substantially heavier (250 percent) than the J4. It is noteworthy in this context that the A99 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 table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. If you want to switch the focus of the display and review another camera pair, you can move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.

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Body Specifications
    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 147 mm 111 mm 78 mm 812 g 500 Y Sep 2012 2,799ebay.com
3.
 
Canon G9 X 98 mm 58 mm 31 mm 209 g 220 n Oct 2015 529ebay.com
4.
 
Canon 100D 117 mm 91 mm 69 mm 407 g 380 n Mar 2013 549ebay.com
5.
 
Canon 700D 133 mm 100 mm 79 mm 580 g 440 n Mar 2013 649ebay.com
6.
 
Nikon P900 140 mm 103 mm 137 mm 899 g 360 n Mar 2015 599ebay.com
7.
 
Nikon 1 J5 98 mm 60 mm 32 mm 231 g 250 n Apr 2015 399ebay.com
8.
 
Nikon 1 V3 111 mm 65 mm 33 mm 381 g 310 n Mar 2014 799ebay.com
9.
 
Panasonic GF7 107 mm 65 mm 33 mm 266 g 230 n Jan 2015 499ebay.com
10.
 
Panasonic G6 122 mm 85 mm 71 mm 390 g 340 n Apr 2013 599ebay.com
11.
 
Panasonic GF6 111 mm 65 mm 38 mm 323 g 340 n Apr 2013 499ebay.com
12.
 
Sony A9 127 mm 96 mm 63 mm 673 g 650 Y Apr 2017 4,499ebay.com
13.
 
Sony A99 II 143 mm 104 mm 76 mm 849 g 490 Y Sep 2016 3,199ebay.com
14.
 
Sony NEX-3N 110 mm 62 mm 35 mm 269 g 480 n Feb 2013 499ebay.com
15.
 
Sony A77 143 mm 104 mm 81 mm 732 g 470 Y Aug 2011 1,399ebay.com
16.
 
Sony A850 156 mm 117 mm 82 mm 895 g 880 Y Aug 2009 1,999ebay.com
17.
 
Sony A900 156 mm 117 mm 82 mm 895 g 880 Y Sep 2008 2,999ebay.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 manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The J4 was launched at a markedly lower price (by 80 percent) than the A99, 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 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 generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have 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 a full frame sensor. The sensor area in the A99 is 634 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 sensor measures

With 24MP, the A99 offers a higher resolution than the J4 (18.2MP), but the A99 nevertheless has larger individual pixels (pixel pitch of 5.96μm versus 2.52μm for the J4) due to its larger sensor. However, the J4 is a somewhat more recent model (by 1 year and 6 months) than the A99, and its sensor might have benefitted from technological advances during this time that enhance the light gathering capacity of its pixel-units. Coming back to sensor resolution, it should be mentioned that the J4 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Sony A99 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A99 for good quality output (200 dots per inch) amounts to 30 x 20 inches or 76.2 x 50.8 cm, for very good quality (250 dpi) 24 x 16 inches or 61 x 40.6 cm, and for excellent quality (300 dpi) 20 x 13.3 inches or 50.8 x 33.9 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 J4 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Nikon 1 J4 has a native sensitivity range from ISO 160 to ISO 12800. The corresponding ISO settings for the Sony Alpha SLT-A99 are ISO 100 to ISO 25600, with the possibility to increase the ISO range to 50-25600.

Technology-wise, both cameras are equipped with CMOS (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.

J4 versus A99 MP

For many cameras, data on sensor performance has been reported by DXO Mark. This service assesses and scores the color depth ("DXO Portrait"), dynamic range ("DXO Landscape"), and low-light sensitivity ("DXO Sports") of camera sensors, and also publishes an overall camera score. Of the two cameras under consideration, the A99 offers substantially better image quality than the J4 (overall score 36 points higher). The advantage is based on 4.2 bits higher color depth, 3.3 EV in additional dynamic range, and 1.9 stops in additional low light sensitivity. 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
    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 Full Frame 24.0 6000 40001080/60p25.014.0155589
3.
 
Canon G9 X 1-inch 20.0 5472 36481080/60p21.512.349563
4.
 
Canon 100D APS-C 17.9 5184 34561080/30p21.811.384363
5.
 
Canon 700D APS-C 17.9 5184 34561080/30p21.711.268161
6.
 
Nikon P900 1/2.3 15.9 4608 34561080/60p20.211.672747
7.
 
Nikon 1 J5 1-inch 20.7 5568 37124K/15p21.112.047965
8.
 
Nikon 1 V3 1-inch 18.2 5232 34881080/60p20.810.738452
9.
 
Panasonic GF7 Four Thirds 15.8 4592 34481080/60p22.712.387470
10.
 
Panasonic G6 Four Thirds 15.9 4608 34561080/60p21.311.563961
11.
 
Panasonic GF6 Four Thirds 15.8 4592 34481080/60i20.710.662254
12.
 
Sony A9 Full Frame 24.0 6000 40004K/30p24.913.3351792
13.
 
Sony A99 II Full Frame 42.2 7952 53044K/30p25.413.4231792
14.
 
Sony NEX-3N APS-C 16.0 4912 32641080/60i22.812.5106774
15.
 
Sony A77 APS-C 24.0 6000 40001080/60p24.013.280178
16.
 
Sony A850 Full Frame 24.4 6048 4032none23.812.2141579
17.
 
Sony A900 Full Frame 24.4 6048 4032none23.712.3143179
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. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, and both provide the same movie specifications (1080/60p).

Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the A99 has an electronic viewfinder (2359k 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 along with similar information for a selection of comparators.

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Core Features
    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 A992359 Y3.0 / 1229 full-flex n 1/8000s 6.0/s n Y
3.
 
Canon G9 Xnone n3.0 / 1040 fixed Y 1/2000s 6.0/s Y Y
4.
 
Canon 100Doptical n3.0 / 1040 fixed Y 1/4000s 4.9/s Y n
5.
 
Canon 700Doptical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
6.
 
Nikon P900921 n3.0 / 921 swivel n 1/4000s 7.0/s Y Y
7.
 
Nikon 1 J5none n3.0 / 1037 tilting Y 1/4000s 60.0/s Y n
8.
 
Nikon 1 V3optional n3.0 / 1037 tilting Y 1/4000s 60.0/s Y n
9.
 
Panasonic GF7none n3.0 / 1040 tilting Y 1/500s 5.8/s Y n
10.
 
Panasonic G61440 n3.0 / 1036 swivel Y 1/4000s 7.0/s Y n
11.
 
Panasonic GF6none n3.0 / 1040 tilting Y 1/4000s 4.2/s Y n
12.
 
Sony A93686 n3.0 / 1440 tilting Y 1/8000s 20.0/s n Y
13.
 
Sony A99 II2400 Y3.0 / 1229 full-flex n 1/8000s 12.0/s n Y
14.
 
Sony NEX-3Noptional n3.0 / 460 tilting n 1/4000s 4.0/s Y n
15.
 
Sony A772359 Y3.0 / 921 full-flex n 1/8000s 12.0/s Y Y
16.
 
Sony A850optical Y3.0 / 922 fixed n 1/8000s 3.0/s n Y
17.
 
Sony A900optical Y3.0 / 922 fixed n 1/8000s 5.0/s n Y
Notes: *) 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 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 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 uses SDXC or Memory Stick PRO Duo cards. The A99 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.

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 SLT-A99 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
    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 A99Ystereo / monoYYmini2.0---
3.
 
Canon G9 X-stereo / mono--micro2.0YY-
4.
 
Canon 100DYmono / monoY-mini2.0---
5.
 
Canon 700DYstereo / monoY-mini2.0---
6.
 
Nikon P900-stereo / mono--micro2.0YY-
7.
 
Nikon 1 J5-stereo / mono--micro2.0YY-
8.
 
Nikon 1 V3-stereo / monoY-mini2.0Y--
9.
 
Panasonic GF7-stereo / mono--micro2.0YY-
10.
 
Panasonic G6Ystereo / monoY-mini2.0YY-
11.
 
Panasonic GF6-stereo / mono--mini2.0YY-
12.
 
Sony A9Ystereo / monoYYmicro2.0YYY
13.
 
Sony A99 IIYstereo / monoYYmicro2.0YYY
14.
 
Sony NEX-3N-stereo / mono--micro2.0---
15.
 
Sony A77Ystereo / monoY-mini2.0---
16.
 
Sony A850Y- / ---mini2.0---
17.
 
Sony A900Y- / ---mini2.0---

It is notable that the J4 offers wifi support, while the A99 does not. Wifi can be a very convenient means to transfer image data to an off-camera location.

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

Travel and landscape photographers will find it useful that the A99 has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.

Both the J4 and the A99 have been discontinued, but can regularly be found used on ebay. The A99 was replaced by the Sony A99, while the J4 was followed by the Nikon 1 J5. Further information on the features and operation of the J4 and A99 can be found, respectively, in the Nikon 1 J4 Manual (free pdf) or the online Sony A99 Manual.

Review summary

So how do things add up? Which of the two cameras – the Nikon 1 J4 or the Sony A99 – has the upper hand? Is one clearly better than the other? Below is a summary of the relative strengths of each of the two contestants.

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Advantages of the Nikon 1 J4:

  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • Faster burst: Shoots at higher frequency (60 vs 6 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More compact: Is smaller (100x60mm vs 147x111mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 580g or 71 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.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • More affordable: Was introduced into a lower priced category (80 percent cheaper at launch).
  • More modern: Is somewhat more recent (announced 1 year and 6 months after the A99).

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Arguments in favor of the Sony Alpha SLT-A99:

  • More detail: Has more megapixels (24 vs 18.2MP), which boosts linear resolution by 15%.
  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Better image quality: Scores substantially higher (36 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (4.2 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (3.3 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (1.9 stops ISO advantage).
  • 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 (500 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 geotagging: Features an internal GPS sensor to log localization data.
  • 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 2012).

If the number of relative strengths (bullet points above) is taken as a guide, the A99 is the clear winner of the contest (22 : 12 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.

J4 12:22 A99

How about other alternatives? Do the specifications of the Nikon 1 J4 and the Sony A99 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 says little about, for example, the shooting experience and imaging performance of the J4 and the A99 in practical situations. 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 following table reports the overall ratings of the cameras as published by some of the major 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
     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 A995/5....84/1004.5/54.5/5 Sep 2012 2,799ebay.com
3.
 
Canon G9 X3.5/5+ +....4.5/54.5/5 Oct 2015 529ebay.com
4.
 
Canon 100D4/5+..78/1004/54/5 Mar 2013 549ebay.com
5.
 
Canon 700D......76/1004.5/54.5/5 Mar 2013 649ebay.com
6.
 
Nikon P900......77/1004/54/5 Mar 2015 599ebay.com
7.
 
Nikon 1 J5........4.5/54.5/5 Apr 2015 399ebay.com
8.
 
Nikon 1 V33/5....76/1004.5/54/5 Mar 2014 799ebay.com
9.
 
Panasonic GF74/5+....4.5/54.5/5 Jan 2015 499ebay.com
10.
 
Panasonic G64/5+ +....5/54.5/5 Apr 2013 599ebay.com
11.
 
Panasonic GF6..+ +....4.5/54.5/5 Apr 2013 499ebay.com
12.
 
Sony A95/5+ +4.8/589/1005/55/5 Apr 2017 4,499ebay.com
13.
 
Sony A99 II....4.5/585/1004.5/54.5/5 Sep 2016 3,199ebay.com
14.
 
Sony NEX-3N3/5......4.5/54.5/5 Feb 2013 499ebay.com
15.
 
Sony A775/591/100..81/100..5/5 Aug 2011 1,399ebay.com
16.
 
Sony A8503/5....75/100..4.5/5 Aug 2009 1,999ebay.com
17.
 
Sony A900..+ +..+ +4.5/55/5 Sep 2008 2,999ebay.com
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The review scores listed above should be treated with care, though. The assessments were made in relation to similar cameras of the same technological generation. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. 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 are interested in seeing how other cameras pair up, just make a corresponding selection in the search boxes 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

    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
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Nikon 1 mount lenses Sony A mount lenses
    Launch Date April 2014 September 2012
    Launch Price USD 549 USD 2,799
    Sensor Specs Nikon 1 J4 Sony A99
    Sensor Technology CMOS CMOS
    Sensor Format 1" Sensor Full Frame Sensor
    Sensor Size 13.2 x 8.8 mm 35.8 x 23.8 mm
    Sensor Area 116.16 mm2 852.04 mm2
    Sensor Diagonal 15.9 mm 43 mm
    Crop Factor 2.7x 1.0x
    Sensor Resolution 18.2 Megapixels 24 Megapixels
    Image Resolution 5232 x 3488 pixels 6000 x 4000 pixels
    Pixel Pitch 2.52 μm 5.96 μm
    Pixel Density 15.71 MP/cm2 2.82 MP/cm2
    Moiré control no AA filter Anti-Alias filter
    Movie Capability 1080/60p Video 1080/60p 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 89
    DXO Color Depth (bits) 20.8 25.0
    DXO Dynamic Range (EV) 10.7 14.0
    DXO Low Light (ISO) 426 1555
    Screen Specs Nikon 1 J4 Sony A99
    Viewfinder Type no viewfinder Electronic viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.71x
    Viewfinder Resolution 2359k 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
    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 6 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
    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 mini HDMI
    Microphone Port no MIC socket External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support Wifi built-in no Wifi
    Geotagging no internal GPS GPS built-in
    Body Specs Nikon 1 J4 Sony A99
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type EN-EL22 NP-FM500H
    Battery Life (CIPA)300 shots per charge500 shots per charge
    Body Dimensions 100 x 60 x 29 mm
    (3.9 x 2.4 x 1.1 in)
    147 x 111 x 78 mm
    (5.8 x 4.4 x 3.1 in)
    Camera Weight 232 g (8.2 oz) 812 g (28.6 oz)
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    Check A99 offers at
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