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Nikon 1 J4 vs Panasonic GM1

The Nikon 1 J4 and the Panasonic Lumix DMC-GM1 are two digital cameras that were officially introduced, respectively, in April 2014 and October 2013. Both the J4 and the GM1 are mirrorless interchangeable lens cameras that are based on an one-inch (J4) and a Four Thirds (GM1) sensor. The Nikon has a resolution of 18.2 megapixels, whereas the Panasonic provides 15.8 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
Panasonic GM1
Nikon 1 J4   Panasonic GM1
Mirrorless system camera Mirrorless system camera
Nikon 1 mount lenses Micro Four Thirds lenses
18.2 MP – 1" sensor 15.8 MP – Four Thirds sensor
1080/60p Video 1080/60i Video
ISO 160-12,800 ISO 200-25,600
No viewfinder, LCD framing No viewfinder, LCD framing
3.0" LCD – 1037k dots 3.0" LCD – 1036k dots
no rear screen Fixed touchscreen
60 shutter flaps per second 5 shutter flaps per second
300 shots per battery charge230 shots per battery charge
100 x 60 x 29 mm, 232 g 99 x 55 x 30 mm, 204 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 Panasonic Lumix DMC-GM1? 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 Panasonic GM1 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 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 GM1 is available in three color-versions (black, silver, red).

Size Nikon 1 J4 vs Panasonic GM1
Compare J4 versus GM1 top
Comparison J4 or GM1 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic GM1 is notably smaller (9 percent) than the Nikon 1 J4. Moreover, the GM1 is markedly lighter (12 percent) than the J4. In this context, it is worth noting that neither the J4 nor the GM1 are weather-sealed.

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. 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
    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.
 
Panasonic GM1 99 mm 55 mm 30 mm 204 g 230 n Oct 2013 749ebay.com
3.
 
Canon G9 X Mark II 98 mm 58 mm 31 mm 206 g 235 n Jan 2017 529 amazon.com
4.
 
Canon G9 X 98 mm 58 mm 31 mm 209 g 220 n Oct 2015 529ebay.com
5.
 
Canon SL1 117 mm 91 mm 69 mm 407 g 380 n Mar 2013 549ebay.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.
 
Nikon 1 V2 109 mm 82 mm 46 mm 278 g 310 n Oct 2012 799ebay.com
10.
 
Panasonic GF7 107 mm 65 mm 33 mm 266 g 230 n Jan 2015 499ebay.com
11.
 
Panasonic FZ1000 137 mm 99 mm 131 mm 831 g 360 n Jun 2014 899ebay.com
12.
 
Panasonic GM5 99 mm 60 mm 36 mm 211 g 220 n Sep 2014 749ebay.com
13.
 
Panasonic G6 122 mm 85 mm 71 mm 390 g 340 n Apr 2013 599ebay.com
14.
 
Panasonic GX7 123 mm 71 mm 55 mm 402 g 350 n Aug 2013 999ebay.com
15.
 
Panasonic GX1 116 mm 68 mm 39 mm 318 g 320 n Nov 2011 699ebay.com
16.
 
Panasonic GH2 124 mm 90 mm 76 mm 442 g 330 n Sep 2010 899ebay.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 J4 was launched at a markedly lower price (by 27 percent) than the GM1, 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 size of the sensor inside a digital camera is one of the key determinants 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 tend to be associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Nikon 1 J4 features an one-inch sensor and the Panasonic GM1 a Four Thirds sensor. The sensor area in the GM1 is 94 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.7 and 2.0. The sensor in the J4 has a native 3:2 aspect ratio, while the one in the GM1 offers a 4:3 aspect.

Nikon 1 J4 and Panasonic GM1 sensor measures

Despite having a smaller sensor, the Nikon 1 J4 offers a higher resolution of 18.2 megapixels, compared with 15.8 MP of the Panasonic GM1. This megapixels advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 2.52μm versus 3.77μm for the GM1). However, it should be noted that the J4 is a somewhat more recent model (by 5 months) than the GM1, and its sensor might have benefitted from technological advances during this time that partly offset its pixel-size disadvantage. 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 Nikon 1 J4 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the J4 for good quality output (200 dots per inch) amounts to 26.2 x 17.4 inches or 66.4 x 44.3 cm, for very good quality (250 dpi) 20.9 x 14 inches or 53.2 x 35.4 cm, and for excellent quality (300 dpi) 17.4 x 11.6 inches or 44.3 x 29.5 cm. The corresponding values for the Panasonic GM1 are 23 x 17.2 inches or 58.3 x 43.8 cm for good quality, 18.4 x 13.8 inches or 46.7 x 35 cm for very good quality, and 15.3 x 11.5 inches or 38.9 x 29.2 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 Panasonic Lumix DMC-GM1 are ISO 200 to ISO 25600, with the possibility to increase the ISO range to 125-25600.

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 GM1 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"). Of the two cameras under consideration, the GM1 offers substantially better image quality than the J4 (overall score 13 points higher). The advantage is based on 1.5 bits higher color depth, 1 EV in additional dynamic range, and 0.6 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.
 
Panasonic GM1 Four Thirds 15.8 4592 34481080/60i22.311.766066
3.
 
Canon G9 X Mark II 1-inch 20.0 5472 36481080/60p21.912.552265
4.
 
Canon G9 X 1-inch 20.0 5472 36481080/60p21.512.349563
5.
 
Canon SL1 APS-C 17.9 5184 34561080/30p21.811.384363
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.
 
Nikon 1 V2 1-inch 14.2 4608 30721080/60p20.210.840350
10.
 
Panasonic GF7 Four Thirds 15.8 4592 34481080/60p22.712.387470
11.
 
Panasonic FZ1000 1-inch 20.0 5472 36484K/30p22.111.751764
12.
 
Panasonic GM5 Four Thirds 15.8 4592 34481080/60p22.111.772166
13.
 
Panasonic G6 Four Thirds 15.9 4608 34561080/60p21.311.563961
14.
 
Panasonic GX7 Four Thirds 15.8 4592 34481080/60p22.612.271870
15.
 
Panasonic GX1 Four Thirds 15.8 4592 34481080/60p20.810.670355
16.
 
Panasonic GH2 Four Thirds 15.9 4608 34561080/60i21.211.365560
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, but the J4 provides a higher frame rate than the GM1. It can shoot video footage at 1080/60p, while the Panasonic is limited to 1080/60i.

Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. The J4 and the GM1 are similar in the sense that neither of the two has a viewfinder. The images are, thus, framed using live view on the rear LCD. The adjacent table lists some of the other core features of the Nikon 1 J4 and Panasonic GM1 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.
 
Panasonic GM1none n3.0 / 1036 fixed Y 1/500s 5.0/s Y n
3.
 
Canon G9 X Mark IInone n3.0 / 1040 fixed Y 1/2000s 8.2/s Y Y
4.
 
Canon G9 Xnone n3.0 / 1040 fixed Y 1/2000s 6.0/s Y Y
5.
 
Canon SL1optical n3.0 / 1040 fixed Y 1/4000s 4.9/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.
 
Nikon 1 V21440 n3.0 / 921 fixed n 1/4000s 15.0/s Y n
10.
 
Panasonic GF7none n3.0 / 1040 tilting Y 1/500s 5.8/s Y n
11.
 
Panasonic FZ10002359 n3.0 / 921 swivel n 1/4000s 12.0/s Y Y
12.
 
Panasonic GM51166 n3.0 / 921 fixed Y 1/500s 5.8/s n n
13.
 
Panasonic G61440 n3.0 / 1036 swivel Y 1/4000s 7.0/s Y n
14.
 
Panasonic GX72760 n3.0 / 1040 tilting Y 1/8000s 5.0/s Y Y
15.
 
Panasonic GX1optional n3.0 / 460 fixed Y 1/4000s 4.2/s Y n
16.
 
Panasonic GH21534 n3.0 / 460 swivel n 1/4000s 3.0/s Y n
Notes: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

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, both cameras under consideration feature an 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 Panasonic GM1 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 J4 writes its imaging data to micro SDXC cards, while the GM1 uses SDXC cards. 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 Panasonic Lumix DMC-GM1 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.
 
Panasonic GM1-stereo / mono--micro2.0Y--
3.
 
Canon G9 X Mark II-stereo / mono--micro2.0YYY
4.
 
Canon G9 X-stereo / mono--micro2.0YY-
5.
 
Canon SL1Ymono / 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.
 
Nikon 1 V2-stereo / mono--mini2.0---
10.
 
Panasonic GF7-stereo / mono--micro2.0YY-
11.
 
Panasonic FZ1000Ystereo / monoY-micro2.0YY-
12.
 
Panasonic GM5Ystereo / mono--micro2.0Y--
13.
 
Panasonic G6Ystereo / monoY-mini2.0YY-
14.
 
Panasonic GX7Ystereo / mono--mini2.0YY-
15.
 
Panasonic GX1Ystereo / mono--mini2.0---
16.
 
Panasonic GH2Ystereo / monoY-mini2.0---

Both the J4 and the GM1 have been discontinued, but can regularly be found used on ebay. The GM1 was replaced by the Panasonic GM5, while the J4 was followed by the Nikon 1 J5. Further information on the features and operation of the J4 and GM1 can be found, respectively, in the Nikon 1 J4 Manual (free pdf) or the online Panasonic GM1 Manual.

Review summary

So what is the bottom line? Which of the two cameras – the Nikon 1 J4 or the Panasonic GM1 – has the upper hand? Is one clearly better than the other? The listing below highlights the relative strengths of the two models.

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Advantages of the Nikon 1 J4:

  • More detail: Offers more megapixels (18.2 vs 15.8MP) with a 10% higher linear resolution.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better video: Provides higher movie framerates (1080/60p versus 1080/60i).
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • Faster shutter: Has higher mechanical shutter speed (1/4000s vs 1/500s) to freeze action.
  • Faster burst: Shoots at higher frequency (60 vs 5 flaps/sec) to capture the decisive moment.
  • Longer lasting: Can take more shots (300 versus 230) on a single battery charge.
  • More affordable: Was introduced into a lower priced category (27 percent cheaper at launch).
  • More modern: Is somewhat more recent (announced 5 months after the GM1).

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Arguments in favor of the Panasonic Lumix DMC-GM1:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Better image quality: Scores substantially higher (13 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (1.5 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (1 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (0.6 stops ISO advantage).
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Less heavy: Has a lower weight (by 28g or 12 percent) and is thus easier to take along.
  • More heavily discounted: Has been on the market for longer (launched in October 2013).

If the count of relative strengths (bullet points above) is taken as a measure, the J4 comes out slightly ahead of the GM1 (9 : 8 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding 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 09:08 GM1

How about other alternatives? Do the specifications of the Nikon 1 J4 and the Panasonic GM1 place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera listing 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 J4 or the GM1. At times, user reviews, such as those published at amazon, address these issues in a useful manner, but such feedback is on many occasions incomplete, inconsistent, and unreliable.

Expert reviews

This is where reviews by experts come in. 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
     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.
 
Panasonic GM13/5+..78/1005/54.5/5 Oct 2013 749ebay.com
3.
 
Canon G9 X Mark II4/5..4/575/1004.5/54.5/5 Jan 2017 529 amazon.com
4.
 
Canon G9 X3.5/5+ +....4.5/54.5/5 Oct 2015 529ebay.com
5.
 
Canon SL14/5+..78/1004/54/5 Mar 2013 549ebay.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.
 
Nikon 1 V23/5......4.5/54/5 Oct 2012 799ebay.com
10.
 
Panasonic GF74/5+....4.5/54.5/5 Jan 2015 499ebay.com
11.
 
Panasonic FZ10004/5+ +..82/1004.5/54.5/5 Jun 2014 899ebay.com
12.
 
Panasonic GM53.5/5+..77/1005/54.5/5 Sep 2014 749ebay.com
13.
 
Panasonic G64/5+ +....5/54.5/5 Apr 2013 599ebay.com
14.
 
Panasonic GX74/5+..79/1005/55/5 Aug 2013 999ebay.com
15.
 
Panasonic GX13/5+..77/1004.5/54.5/5 Nov 2011 699ebay.com
16.
 
Panasonic GH25/5+ +..79/1004.5/55/5 Sep 2010 899ebay.com
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted with care, though. The ratings are only valid when referring to cameras in the same category and of the same age. Hence, a score should always be seen in the context of the camera's market launch date and its price, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date 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? If you would like to see a different side-by-side camera review, 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 Panasonic GM1

    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 Panasonic GM1
    Camera Type Mirrorless system camera Mirrorless system camera
    Camera Lens Nikon 1 mount lenses Micro Four Thirds lenses
    Launch Date April 2014 October 2013
    Launch Price USD 549 USD 749
    Sensor Specs Nikon 1 J4 Panasonic GM1
    Sensor Technology CMOS CMOS
    Sensor Format 1" Sensor Four Thirds Sensor
    Sensor Size 13.2 x 8.8 mm 17.3 x 13.0 mm
    Sensor Area 116.16 mm2 224.9 mm2
    Sensor Diagonal 15.9 mm 21.6 mm
    Crop Factor 2.7x 2.0x
    Sensor Resolution 18.2 Megapixels 15.8 Megapixels
    Image Resolution 5232 x 3488 pixels 4592 x 3448 pixels
    Pixel Pitch 2.52 μm 3.77 μm
    Pixel Density 15.71 MP/cm2 7.04 MP/cm2
    Moiré control no AA filter Anti-Alias filter
    Movie Capability 1080/60p Video 1080/60i Video
    ISO Setting 160 - 12,800 ISO 200 - 25,600 ISO
    ISO Boost no Enhancement 125 - 25,600 ISO
    Image Processor EXPEED 4 Venus IX
    DXO Sensor Quality (score) 53 66
    DXO Color Depth (bits) 20.8 22.3
    DXO Dynamic Range (EV) 10.7 11.7
    DXO Low Light (ISO) 426 660
    Screen Specs Nikon 1 J4 Panasonic GM1
    Viewfinder Type no viewfinder no viewfinder
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1037k dots 1036k dots
    LCD Attachment Fixed screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Nikon 1 J4 Panasonic GM1
    Focus System On-Sensor Phase-detect Contrast-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/500s
    Continuous Shooting 60 shutter flaps/s 5 shutter flaps/s
    Electronic Shutterup to 1/16000sup to 1/16000s
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Fill Flash Built-in Flash Built-in Flash
    Storage Medium mSDXC cards SDXC cards
    Single or Dual Card Slots Single card slot Single card slot
    UHS card support UHS-I UHS-I
    Connectivity Specs Nikon 1 J4 Panasonic GM1
    External Flash no Hotshoe no Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI micro HDMI
    Wifi Support Wifi built-in Wifi built-in
    Body Specs Nikon 1 J4 Panasonic GM1
    Battery Type EN-EL22 DMW-BLH7
    Battery Life (CIPA)300 shots per charge230 shots per charge
    Body Dimensions 100 x 60 x 29 mm
    (3.9 x 2.4 x 1.1 in)
    99 x 55 x 30 mm
    (3.9 x 2.2 x 1.2 in)
    Camera Weight 232 g (8.2 oz) 204 g (7.2 oz)
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