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Panasonic GX7 vs Nikon D2X

The Panasonic Lumix DMC-GX7 and the Nikon D2X are two digital cameras that were announced, respectively, in August 2013 and September 2004. The GX7 is a mirrorless interchangeable lens camera, while the D2X is a DSLR. The cameras are based on a Four Thirds (GX7) and an APS-C (D2X) sensor. The Panasonic has a resolution of 15.8 megapixels, whereas the Nikon provides 12.2 MP.

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

Headline Specifications
Panasonic GX7
versus
Nikon D2X
Panasonic GX7   Nikon D2X
Mirrorless system camera Digital single lens reflex
Micro Four Thirds lenses Nikon F mount lenses
15.8 MP – Four Thirds sensor 12.2 MP – APS-C sensor
1080/60p Video no Video
ISO 125-25,600 ISO 100-800 (100 - 3,200)
Electronic viewfinder (2760k dots) Optical viewfinder
3.0" LCD – 1040k dots 2.5" LCD – 235k dots
Tilting touchscreen Fixed screen (not touch-sensitive)
5 shutter flaps per second 5 shutter flaps per second
In-body stabilizationLens stabilization only
not weather sealedWeathersealed body
350 shots per battery charge3800 shots per battery charge
123 x 71 x 55 mm, 402 g 158 x 150 x 86 mm, 1252 g
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Check D2X offers at
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Going beyond this snapshot of core features and characteristics, what are the differences between the Panasonic Lumix DMC-GX7 and the Nikon D2X? 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 side-by-side display below illustrates the physical size and weight of the Panasonic GX7 and the Nikon D2X. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All width, height and depth dimensions are rounded to the nearest millimeter.

The GX7 can be obtained in two different colors (black, silver), while the D2X is only available in black.

Size Panasonic GX7 vs Nikon D2X
Compare GX7 versus D2X top
Comparison GX7 or D2X rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Nikon D2X is considerably larger (171 percent) than the Panasonic GX7. Moreover, the D2X is substantially heavier (211 percent) than the GX7. It is noteworthy in this context that the D2X is splash and dust-proof, while the GX7 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. A larger imaging sensor will tend to go along with bigger and heavier lenses, although exceptions exist. You can compare the optics available for the two cameras in the Micro Four Thirds Lens Catalog (GX7) and the Nikon Lens Catalog (D2X). Mirrorless cameras, such as the Panasonic GX7, have moreover the advantage that they have a relatively short flange to focal plane distance and can thus use many lenses from other systems via adapters.

Concerning battery life, the GX7 gets 350 shots out of its Panasonic DMW-BLG10 battery, while the D2X can take 3800 images on a single charge of its Nikon EN-EL4a power pack. As can be seen in the images above, the D2X has a battery grip built in. This facilitates image-taking in portrait orientation and gives it additional battery power.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. 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
# image Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Panasonic GX7 123 mm 71 mm 55 mm 402 g 350 n Aug 2013 999ebay.com
2.
 
Nikon D2X 158 mm 150 mm 86 mm 1252 g 3800 Y Sep 2004 4,999ebay.com
3.
 
Nikon D2Xs 158 mm 150 mm 86 mm 1252 g 3800 Y Jun 2006 4,699ebay.com
4.
 
Nikon D200 147 mm 113 mm 74 mm 920 g 400 Y Nov 2005 1,699ebay.com
5.
 
Nikon D2H 158 mm 150 mm 86 mm 1070 g 2900 Y Jul 2003 3,499ebay.com
6.
 
Nikon D1X 157 mm 153 mm 85 mm 1100 g 1200 Y Feb 2001 5,999ebay.com
7.
 
Nikon D1 157 mm 153 mm 85 mm 1100 g .. Y Jun 1999 5,499ebay.com
8.
 
Olympus E-M10 119 mm 82 mm 46 mm 396 g 320 n Jan 2014 699ebay.com
9.
 
Olympus E-PL7 115 mm 67 mm 38 mm 357 g 350 n Aug 2014 599ebay.com
10.
 
Olympus E-P5 122 mm 69 mm 37 mm 420 g 330 n May 2013 999ebay.com
11.
 
Panasonic G85 128 mm 89 mm 74 mm 505 g 330 Y Sep 2016 899ebay.com
12.
 
Panasonic GX85 122 mm 71 mm 44 mm 426 g 290 n Apr 2016 799 amazon.com
13.
 
Panasonic GX8 133 mm 78 mm 63 mm 487 g 330 Y Jul 2015 1,199ebay.com
14.
 
Panasonic GM5 99 mm 60 mm 36 mm 211 g 220 n Sep 2014 749ebay.com
15.
 
Panasonic G6 122 mm 85 mm 71 mm 390 g 340 n Apr 2013 599ebay.com
16.
 
Panasonic G5 120 mm 83 mm 71 mm 396 g 320 n Jul 2012 599ebay.com
17.
 
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.
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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 GX7 was launched at a markedly lower price (by 80 percent) than the D2X, 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 imaging sensor is a crucial determinant 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. Moreover, a large sensor camera will give the photographer more control over depth-of-field in the image and, thus, the ability to better 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 Panasonic GX7 features a Four Thirds sensor and the Nikon D2X an APS-C sensor. The sensor area in the D2X is 65 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.0 and 1.5. The sensor in the GX7 has a native 4:3 aspect ratio, while the one in the D2X offers a 3:2 aspect.

Panasonic GX7 and Nikon D2X sensor measures

Despite having a smaller sensor, the Panasonic GX7 offers a higher resolution of 15.8 megapixels, compared with 12.2 MP of the Nikon D2X. 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 3.77μm versus 5.52μm for the D2X). However, it should be noted that the GX7 is much more recent (by 8 years and 10 months) than the D2X, and its sensor will have benefitted from technological advances during this time that make it possible to gather light more efficiently.

The resolution advantage of the Panasonic GX7 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the GX7 for good quality output (200 dots per inch) amounts to 23 x 17.2 inches or 58.3 x 43.8 cm, for very good quality (250 dpi) 18.4 x 13.8 inches or 46.7 x 35 cm, and for excellent quality (300 dpi) 15.3 x 11.5 inches or 38.9 x 29.2 cm. The corresponding values for the Nikon D2X are 21.4 x 14.2 inches or 54.5 x 36.2 cm for good quality, 17.2 x 11.4 inches or 43.6 x 28.9 cm for very good quality, and 14.3 x 9.5 inches or 36.3 x 24.1 cm for excellent quality prints.

The Panasonic Lumix DMC-GX7 has a native sensitivity range from ISO 125 to ISO 25600. The corresponding ISO settings for the Nikon D2X are ISO 100 to ISO 800, with the possibility to increase the ISO range to 100-3200.

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.

GX7 versus D2X MP

For many cameras, data on sensor performance has been reported by DXO Mark. 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 review, the GX7 provides substantially higher image quality than the D2X, with an overall score that is 11 points higher. This advantage is based on 0.5 bits higher color depth, 1.3 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
# image Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Panasonic GX7 Four Thirds 15.8 4592 34481080/60p22.612.271870
2.
 
Nikon D2X APS-C 12.2 4288 2848none22.110.947659
3.
 
Nikon D2Xs APS-C 12.2 4288 2848none22.210.948959
4.
 
Nikon D200 APS-C 10.0 3872 2592none22.311.558364
5.
 
Nikon D2H APS-C 4.0 2464 1632none18.910.035240
6.
 
Nikon D1X APS-C 5.9 3008 1960none........
7.
 
Nikon D1 APS-C 2.6 2000 1312none........
8.
 
Olympus E-M10 Four Thirds 15.9 4608 34561080/30p22.812.388472
9.
 
Olympus E-PL7 Four Thirds 15.9 4608 34561080/30p22.712.487372
10.
 
Olympus E-P5 Four Thirds 15.9 4608 34561080/30p22.812.489572
11.
 
Panasonic G85 Four Thirds 15.8 4592 34484K/30p22.812.565671
12.
 
Panasonic GX85 Four Thirds 15.8 4592 34484K/30p22.912.666271
13.
 
Panasonic GX8 Four Thirds 20.2 5184 38884K/30p23.512.680675
14.
 
Panasonic GM5 Four Thirds 15.8 4592 34481080/60p22.111.772166
15.
 
Panasonic G6 Four Thirds 15.9 4608 34561080/60p21.311.563961
16.
 
Panasonic G5 Four Thirds 15.9 4608 34561080/60p21.411.661861
17.
 
Panasonic GH2 Four Thirds 15.9 4608 34561080/60i21.211.365560
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Many modern cameras are not only capable of taking still images, but can also record movies. The GX7 indeed provides movie recording capabilities, while the D2X does not. The highest resolution format that the GX7 can use is 1080/60p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the GX7 has an electronic viewfinder (2760k dots), while the D2X has an optical one. Both systems have their advantages, with the electronic viewfinder making it possible to project supplementary shooting information into the framing view, whereas the optical viewfinder offers lag-free viewing and a very clear framing image. The viewfinders of both cameras offer the same field of view (100%), but the viewfinder of the GX7 has a higher magnification than the one of the D2X (0.70x vs 0.57x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The adjacent table lists some of the other core features of the Panasonic GX7 and Nikon D2X along with similar information for a selection of comparators.

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Core Features
# image 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.
 
Panasonic GX72760 n3.0 / 1040 tilting Y 1/8000s 5.0/s Y Y
2.
 
Nikon D2Xoptical Y2.5 / 235 fixed n 1/8000s 5.0/s n n
3.
 
Nikon D2Xsoptical Y2.5 / 230 fixed n 1/8000s 5.0/s n n
4.
 
Nikon D200optical Y2.5 / 230 fixed n 1/8000s 5.0/s Y n
5.
 
Nikon D2Hoptical Y2.5 / 211 fixed n 1/8000s 8.0/s n n
6.
 
Nikon D1Xoptical Y2.0 / 120 fixed n 1/16000s 3.0/s n n
7.
 
Nikon D1optical Y2.0 / 120 fixed n 1/16000s 4.5/s n n
8.
 
Olympus E-M101440 n3.0 / 1037 tilting Y 1/4000s 8.0/s Y Y
9.
 
Olympus E-PL7optional n3.0 / 1037 tilting Y 1/4000s 8.0/s n Y
10.
 
Olympus E-P5optional n3.0 / 1037 tilting Y 1/8000s 9.0/s Y Y
11.
 
Panasonic G852360 n3.0 / 1040 swivel Y 1/4000s 9.0/s Y Y
12.
 
Panasonic GX852765 n3.0 / 1040 tilting Y 1/4000s 8.0/s Y Y
13.
 
Panasonic GX82360 n3.0 / 1040 swivel Y 1/8000s 10.0/s n Y
14.
 
Panasonic GM51166 n3.0 / 921 fixed Y 1/500s 5.8/s n n
15.
 
Panasonic G61440 n3.0 / 1036 swivel Y 1/4000s 7.0/s Y n
16.
 
Panasonic G51440 n3.0 / 920 swivel Y 1/4000s 6.0/s Y n
17.
 
Panasonic GH21534 n3.0 / 460 swivel n 1/4000s 3.0/s Y n
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
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One difference between the cameras concerns the presence of an on-board flash. The GX7 has one, while the D2X does not. While the built-in flash of the GX7 is not very powerful, it can at times be useful as a fill-in light.

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 GX7 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 Panasonic GX7 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 GX7 writes its imaging data to SDXC cards, while the D2X uses Compact Flash cards.

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Connectivity comparison

For some imaging applications, the extent to which a camera can communicate with its environment can be an important aspect in the camera decision process. The table below provides an overview of the connectivity of the Panasonic Lumix DMC-GX7 and Nikon D2X and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
# image Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Panasonic GX7Ystereo / mono--mini2.0YY-
2.
 
Nikon D2XY- / ----2.0---
3.
 
Nikon D2XsY- / ----2.0---
4.
 
Nikon D200Y- / ----2.0---
5.
 
Nikon D2HY- / ----2.0---
6.
 
Nikon D1XY- / ----FW---
7.
 
Nikon D1Y- / ----FW---
8.
 
Olympus E-M10Ystereo / mono--micro2.0Y--
9.
 
Olympus E-PL7Ystereo / mono--micro2.0Y--
10.
 
Olympus E-P5Ystereo / mono--micro2.0Y--
11.
 
Panasonic G85Ystereo / monoY-micro2.0Y--
12.
 
Panasonic GX85Ystereo / mono--micro2.0Y--
13.
 
Panasonic GX8Ystereo / monoY-micro2.0YY-
14.
 
Panasonic GM5Ystereo / mono--micro2.0Y--
15.
 
Panasonic G6Ystereo / monoY-mini2.0YY-
16.
 
Panasonic G5Ystereo / mono--mini2.0---
17.
 
Panasonic GH2Ystereo / monoY-mini2.0---
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It is notable that the GX7 offers wifi support, while the D2X does not. Wifi can be a very convenient means to transfer image data to an off-camera location.

Studio photographers will appreciate that the Nikon D2X (unlike the GX7) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the GX7 and the D2X have been discontinued, but can regularly be found used on ebay. The D2X was replaced by the Nikon D2Xs, while the GX7 was followed by the Panasonic GX85. Further information on the features and operation of the GX7 and D2X can be found, respectively, in the Panasonic GX7 Manual (free pdf) or the online Nikon D2X Manual.

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Review summary

So what is the bottom line? Which of the two cameras – the Panasonic GX7 or the Nikon D2X – has the upper hand? Is one clearly better than the other? A synthesis of the relative strong points of each of the models is listed below.

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Arguments in favor of the Panasonic Lumix DMC-GX7:

  • More detail: Offers more megapixels (15.8 vs 12.2MP) with a 12% higher linear resolution.
  • Better image quality: Scores substantially higher (11 points) in the DXO overall assessment.
  • More dynamic range: Captures a larger spectrum of light and dark details (1.3 EV of extra DR).
  • Better low-light sensitivity: Requires less light for good images (0.6 stops ISO advantage).
  • Broader imaging potential: Can record not only still images but also 1080/60p movies.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.70x vs 0.57x).
  • Larger screen: Has a bigger rear LCD (3.0" vs 2.5") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1040k vs 235k dots).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • 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.
  • More compact: Is smaller (123x71mm vs 158x150mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 850g or 68 percent) and hence easier to carry around.
  • Sharper images: Has hand-shake reducing image stabilization built-in.
  • 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.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • More affordable: Was introduced into a lower priced category (80 percent cheaper at launch).
  • More modern: Reflects 8 years and 10 months of technical progress since the D2X launch.

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Advantages of the Nikon D2X:

  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • More portrait friendly: Features an integrated vertical grip for easier portrait shooting.
  • Longer lasting: Gets more shots (3800 versus 350) out of a single battery charge.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • More heavily discounted: Has been around for much longer (launched in September 2004).

If the count of relative strengths (bullet points above) is taken as a measure, the GX7 is the clear winner of the match-up (22 : 7 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 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.

GX7 22:07 D2X

How about other alternatives? Do the specifications of the Panasonic GX7 and the Nikon D2X 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 incomplete and does no justice, for example, to the way the GX7 or the D2X perform in practice. 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 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
# image  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Panasonic GX74/5+..79/1005/55/5 Aug 2013 999ebay.com
2.
 
Nikon D2X......+ +.... Sep 2004 4,999ebay.com
3.
 
Nikon D2Xs............ Jun 2006 4,699ebay.com
4.
 
Nikon D200..+ +..+ +o.. Nov 2005 1,699ebay.com
5.
 
Nikon D2H......+ +.... Jul 2003 3,499ebay.com
6.
 
Nikon D1X......+ +.... Feb 2001 5,999ebay.com
7.
 
Nikon D1......+ +.... Jun 1999 5,499ebay.com
8.
 
Olympus E-M104/5....80/1005/55/5 Jan 2014 699ebay.com
9.
 
Olympus E-PL74/5+....5/54/5 Aug 2014 599ebay.com
10.
 
Olympus E-P55/5+ +..78/1004.5/55/5 May 2013 999ebay.com
11.
 
Panasonic G85..+ +..84/1005/54.5/5 Sep 2016 899ebay.com
12.
 
Panasonic GX854.5/5+ +..82/1005/55/5 Apr 2016 799 amazon.com
13.
 
Panasonic GX85/5+..82/1004.5/54.5/5 Jul 2015 1,199ebay.com
14.
 
Panasonic GM53.5/5+..77/1005/54.5/5 Sep 2014 749ebay.com
15.
 
Panasonic G64/5+ +....5/54.5/5 Apr 2013 599ebay.com
16.
 
Panasonic G53/5+ +....4.5/54.5/5 Jul 2012 599ebay.com
17.
 
Panasonic GH25/5+ +..79/1004.5/55/5 Sep 2010 899ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
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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 comparisons of ratings among very different cameras or across long time periods have little meaning. Also, please note that some of the review sites have changed their methodology and reporting over time.

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Other camera comparisons

Did this review help to inform your camera decision process? In case you are interested in seeing how other cameras pair up, just make your choice using the following search menu. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Panasonic GX7 vs Nikon D2X

    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 Panasonic GX7 Nikon D2X
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Micro Four Thirds lenses Nikon F mount lenses
    Launch Date August 2013 September 2004
    Launch Price USD 999 USD 4,999
    Sensor Specs Panasonic GX7 Nikon D2X
    Sensor Technology CMOS CMOS
    Sensor Format Four Thirds Sensor APS-C Sensor
    Sensor Size 17.3 x 13.0 mm 23.7 x 15.7 mm
    Sensor Area 224.9 mm2 372.09 mm2
    Sensor Diagonal 21.6 mm 28.4 mm
    Crop Factor 2.0x 1.5x
    Sensor Resolution 15.8 Megapixels 12.2 Megapixels
    Image Resolution 4592 x 3448 pixels 4288 x 2848 pixels
    Pixel Pitch 3.77 μm 5.52 μm
    Pixel Density 7.04 MP/cm2 3.28 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/60p Video no Video
    ISO Setting 125 - 25,600 ISO 100 - 800 ISO
    ISO Boost no Enhancement 100 - 3,200 ISO
    DXO Sensor Quality (score) 70 59
    DXO Color Depth (bits) 22.6 22.1
    DXO Dynamic Range (EV) 12.2 10.9
    DXO Low Light (ISO) 718 476
    Screen Specs Panasonic GX7 Nikon D2X
    Viewfinder Type Electronic viewfinder Optical viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.70x 0.57x
    Viewfinder Resolution 2760k dots
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View
    Rear LCD Size 3.0inch 2.5inch
    LCD Resolution 1040k dots 235k dots
    LCD Attachment Tilting screen Fixed screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Panasonic GX7 Nikon D2X
    Focus System Contrast-detect AF Phase-detect AF
    Manual Focusing AidFocus Peakingno Peaking Feature
    Continuous Shooting 5 shutter flaps/s 5 shutter flaps/s
    Electronic Shutterup to 1/8000sno E-Shutter
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image StabilizationIn-body stabilizationLens stabilization only
    Fill Flash Built-in Flash no On-Board Flash
    Storage Medium SDXC cards CF cards
    Single or Dual Card Slots Single card slot Single card slot
    Connectivity Specs Panasonic GX7 Nikon D2X
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI no HDMI
    Wifi Support Wifi built-in no Wifi
    Near-Field Communication NFC built-in no NFC
    Body Specs Panasonic GX7 Nikon D2X
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type Panasonic DMW-BLG10 Nikon EN-EL4a
    Battery Life (CIPA)350 shots per charge3800 shots per charge
    Body Dimensions 123 x 71 x 55 mm
    (4.8 x 2.8 x 2.2 in)
    158 x 150 x 86 mm
    (6.2 x 5.9 x 3.4 in)
    Camera Weight 402 g (14.2 oz) 1252 g (44.2 oz)
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    Check GX7 offers at
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    Check D2X offers at
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