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Nikon D2X vs Panasonic GM5

The Nikon D2X and the Panasonic Lumix DMC-GM5 are two digital cameras that were officially introduced, respectively, in September 2004 and September 2014. The D2X is a DSLR, while the GM5 is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (D2X) and a Four Thirds (GM5) sensor. The Nikon has a resolution of 12.2 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 D2X
versus
Panasonic GM5
Nikon D2X   Panasonic GM5
Digital single lens reflex Mirrorless system camera
Nikon F mount lenses Micro Four Thirds lenses
12.2 MP – APS-C sensor 15.8 MP – Four Thirds sensor
no Video 1080/60p Video
ISO 100-800 (100 - 3,200) ISO 200-25,600
Optical viewfinder Electronic viewfinder (1166k dots)
2.5" LCD – 235k dots 3.0" LCD – 921k dots
Fixed screen (not touch-sensitive) Fixed touchscreen
5 shutter flaps per second 5.8 shutter flaps per second
Weathersealed bodynot weather sealed
3800 shots per battery charge220 shots per battery charge
158 x 150 x 86 mm, 1252 g 99 x 60 x 36 mm, 211 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon D2X and the Panasonic Lumix DMC-GM5? 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 D2X and the Panasonic GM5 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 measures are rounded to the nearest millimeter.

The GM5 can be obtained in two different colors (black, silver), while the D2X is only available in black.

Size Nikon D2X vs Panasonic GM5
Compare D2X versus GM5 top
Comparison D2X or GM5 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic GM5 is considerably smaller (75 percent) than the Nikon D2X. Moreover, the GM5 is substantially lighter (83 percent) than the D2X. It is worth mentioning in this context that the D2X is splash and dust resistant, while the GM5 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 Nikon Lens Catalog (D2X) and the Micro Four Thirds Lens Catalog (GM5). Mirrorless cameras, such as the GM5, have moreover the advantage that they can use many lenses from other systems via adapters, as they have a relatively short flange to focal plane distance.

Concerning battery life, the D2X gets 3800 shots out of its Nikon EN-EL4a battery, while the GM5 can take 220 images on a single charge of its Panasonic DMW-BLH7 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
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Nikon D2X 158 mm 150 mm 86 mm 1252 g 3800 Y Sep 2004 4,999ebay.com
2.
 
Panasonic GM5 99 mm 60 mm 36 mm 211 g 220 n Sep 2014 749ebay.com
3.
 
Nikon D1 157 mm 153 mm 85 mm 1100 g .. Y Jun 1999 5,499ebay.com
4.
 
Nikon D1H 157 mm 153 mm 85 mm 1100 g 1200 Y Feb 2001 4,499ebay.com
5.
 
Nikon D1X 157 mm 153 mm 85 mm 1100 g 1200 Y Feb 2001 5,999ebay.com
6.
 
Nikon D2H 158 mm 150 mm 86 mm 1070 g 2900 Y Jul 2003 3,499ebay.com
7.
 
Nikon D2Xs 158 mm 150 mm 86 mm 1252 g 3800 Y Jun 2006 4,699ebay.com
8.
 
Nikon D3 160 mm 157 mm 88 mm 1300 g 4300 Y Aug 2007 4,999ebay.com
9.
 
Nikon D3S 160 mm 157 mm 88 mm 1240 g 4200 Y Oct 2009 5,199ebay.com
10.
 
Nikon D200 147 mm 113 mm 74 mm 920 g 400 Y Nov 2005 1,699ebay.com
11.
 
Nikon D300 147 mm 114 mm 74 mm 925 g 1000 Y Aug 2007 1,799ebay.com
12.
 
Nikon D300S 147 mm 115 mm 81 mm 938 g 950 Y Jul 2009 1,799ebay.com
13.
 
Panasonic G6 122 mm 85 mm 71 mm 390 g 340 n Apr 2013 599ebay.com
14.
 
Panasonic G7 125 mm 86 mm 77 mm 410 g 350 n May 2015 649ebay.com
15.
 
Panasonic GH2 124 mm 90 mm 76 mm 442 g 330 n Sep 2010 899ebay.com
16.
 
Panasonic GM1 99 mm 55 mm 30 mm 204 g 230 n Oct 2013 749ebay.com
17.
 
Panasonic GX1 116 mm 68 mm 39 mm 318 g 320 n Nov 2011 699ebay.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 naturally be influenced heavily by the price. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The GM5 was launched at a markedly lower price (by 85 percent) than the D2X, 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

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. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixels in a sensor of the same technological generation. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its background. On the downside, larger sensors tend to be more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Nikon D2X features an APS-C sensor and the Panasonic GM5 a Four Thirds sensor. The sensor area in the GM5 is 40 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.5 and 2.0. The sensor in the D2X has a native 3:2 aspect ratio, while the one in the GM5 offers a 4:3 aspect.

Nikon D2X and Panasonic GM5 sensor measures

Despite having a smaller sensor, the GM5 offers a higher resolution of 15.8 megapixels, compared with 12.2 MP of the 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 GM5 is much more recent (by 10 years) 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 GM5 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the GM5 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 Nikon D2X has a native sensitivity range from ISO 100 to ISO 800, which can be extended to ISO 100-3200. The corresponding ISO settings for the Panasonic Lumix DMC-GM5 are ISO 200 to ISO 25600, with the possibility to increase the ISO range to 100-25600.

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.

D2X versus GM5 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 GM5 has a markedly higher DXO score than the D2X (overall score 7 points higher), which will translate into better image quality. 0.8 EV in additional dynamic range, and 0.6 stops in additional low light sensitivity. The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

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Sensor Characteristics
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Nikon D2X APS-C 12.2 4288 2848none22.110.947659
2.
 
Panasonic GM5 Four Thirds 15.8 4592 34481080/60p22.111.772166
3.
 
Nikon D1 APS-C 2.6 2000 1312none........
4.
 
Nikon D1H APS-C 2.6 2000 1312none........
5.
 
Nikon D1X APS-C 5.9 3008 1960none........
6.
 
Nikon D2H APS-C 4.0 2464 1632none18.910.035240
7.
 
Nikon D2Xs APS-C 12.2 4288 2848none22.210.948959
8.
 
Nikon D3 Full Frame 12.1 4256 2832none23.512.2229081
9.
 
Nikon D3S Full Frame 12.1 4256 2832720/24p23.512.0325382
10.
 
Nikon D200 APS-C 10.0 3872 2592none22.311.558364
11.
 
Nikon D300 APS-C 12.2 4288 2848none22.112.067967
12.
 
Nikon D300S APS-C 12.2 4288 2848720/24p22.512.278770
13.
 
Panasonic G6 Four Thirds 15.9 4608 34561080/60p21.311.563961
14.
 
Panasonic G7 Four Thirds 15.8 4592 34484K/30p22.812.490471
15.
 
Panasonic GH2 Four Thirds 15.9 4608 34561080/60i21.211.365560
16.
 
Panasonic GM1 Four Thirds 15.8 4592 34481080/60i22.311.766066
17.
 
Panasonic GX1 Four Thirds 15.8 4592 34481080/60p20.810.670355
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras are not only capable of taking still images, but also of capturing video footage. The GM5 indeed provides for movie recording, while the D2X does not. The highest resolution format that the GM5 can use is 1080/60p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. For example, the GM5 has an electronic viewfinder (1166k 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 D2X has a higher magnification than the one of the GM5 (0.57x vs 0.46x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The table below summarizes some of the other core capabilities of the Nikon D2X and Panasonic GM5 in connection with corresponding information for a sample of similar cameras.

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Core Features
  empty Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Max
Shutter
Speed *
Max
Shutter
Flaps *
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Nikon D2Xoptical Y2.5 / 235 fixed n 1/8000s 5.0/s n n
2.
 
Panasonic GM51166 n3.0 / 921 fixed Y 1/500s 5.8/s n n
3.
 
Nikon D1optical Y2.0 / 120 fixed n 1/16000s 4.5/s n n
4.
 
Nikon D1Hoptical Y2.0 / 120 fixed n 1/16000s 5.0/s n n
5.
 
Nikon D1Xoptical Y2.0 / 120 fixed n 1/16000s 3.0/s n n
6.
 
Nikon D2Hoptical Y2.5 / 211 fixed n 1/8000s 8.0/s n n
7.
 
Nikon D2Xsoptical Y2.5 / 230 fixed n 1/8000s 5.0/s n n
8.
 
Nikon D3optical Y3.0 / 922 fixed n 1/8000s 11.0/s n n
9.
 
Nikon D3Soptical Y3.0 / 921 fixed n 1/8000s 11.0/s n n
10.
 
Nikon D200optical Y2.5 / 230 fixed n 1/8000s 5.0/s Y n
11.
 
Nikon D300optical Y3.0 / 922 fixed n 1/8000s 6.0/s Y n
12.
 
Nikon D300Soptical Y3.0 / 920 fixed n 1/8000s 7.0/s Y n
13.
 
Panasonic G61440 n3.0 / 1036 swivel Y 1/4000s 7.0/s Y n
14.
 
Panasonic G72360 n3.0 / 1040 swivel Y 1/4000s 7.0/s Y n
15.
 
Panasonic GH21534 n3.0 / 460 swivel n 1/4000s 3.0/s Y n
16.
 
Panasonic GM1none n3.0 / 1036 fixed Y 1/500s 5.0/s Y n
17.
 
Panasonic GX1optional n3.0 / 460 fixed Y 1/4000s 4.2/s Y n
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One feature that is present on the D2X, but is missing on the GM5 is a top-level LCD. While being, of course, smaller than the rear screen, the control panel conveys some of the essential shooting information and can be convenient for quick and easy settings verification.

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 GM5 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 GM5 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 D2X writes its imaging data to Compact Flash cards, while the GM5 uses SDXC 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 Nikon D2X and Panasonic Lumix DMC-GM5 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 D2XY- / ----2.0---
2.
 
Panasonic GM5Ystereo / mono--micro2.0Y--
3.
 
Nikon D1Y- / ----FW---
4.
 
Nikon D1HY- / ----FW---
5.
 
Nikon D1XY- / ----FW---
6.
 
Nikon D2HY- / ----2.0---
7.
 
Nikon D2XsY- / ----2.0---
8.
 
Nikon D3Y- / ---mini2.0---
9.
 
Nikon D3SYstereo / ---mini2.0---
10.
 
Nikon D200Y- / ----2.0---
11.
 
Nikon D300Y- / ---mini2.0---
12.
 
Nikon D300SYstereo / monoY-mini2.0---
13.
 
Panasonic G6Ystereo / monoY-mini2.0YY-
14.
 
Panasonic G7Ystereo / monoY-micro2.0Y--
15.
 
Panasonic GH2Ystereo / monoY-mini2.0---
16.
 
Panasonic GM1-stereo / mono--micro2.0Y--
17.
 
Panasonic GX1Ystereo / mono--mini2.0---

It is notable that the GM5 offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the D2X does not provide wifi capability.

Studio photographers will appreciate that the Nikon D2X (unlike the GM5) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the D2X and the GM5 have been discontinued, but can regularly be found used on ebay. The D2X was replaced by the Nikon D2Xs, while the GM5 does not have a direct successor. Further information on the features and operation of the D2X and GM5 can be found, respectively, in the Nikon D2X Manual (free pdf) or the online Panasonic GM5 Manual.

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Review summary

So what is the bottom line? Which of the two cameras – the Nikon D2X or the Panasonic GM5 – 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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Reasons to prefer the Nikon D2X:

  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.57x vs 0.46x).
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/500s) to freeze action.
  • More portrait friendly: Features an integrated vertical grip for easier portrait shooting.
  • Longer lasting: Can take more shots (3800 versus 220) on a single battery charge.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • More heavily discounted: Has been available for much longer (launched in September 2004).

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Advantages of the Panasonic Lumix DMC-GM5:

  • More detail: Has more megapixels (15.8 vs 12.2MP), which boosts linear resolution by 12%.
  • Better image quality: Scores markedly higher (7 points) in the DXO overall evaluation.
  • More dynamic range: Captures a broader range of light and dark details (0.8 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (0.6 stops ISO advantage).
  • Broader imaging potential: Can capture not only stills but also 1080/60p video.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • 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 (921k vs 235k dots).
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Faster burst: Shoots at higher frequency (5.8 vs 5 flaps/sec) to capture the decisive moment.
  • 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 (99x60mm vs 158x150mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 1041g or 83 percent) and is thus easier to take along.
  • More legacy lens friendly: Can use many non-native lenses via adapters.
  • 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 (85 percent cheaper at launch).
  • More modern: Reflects 10 years of technical progress since the D2X launch.

If the count of relative strengths (bullet points above) is taken as a measure, the GM5 is the clear winner of the contest (18 : 9 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.

D2X 09:18 GM5

How about other alternatives? Do the specifications of the Nikon D2X and the Panasonic GM5 place the cameras among the top in their class? Find out in the latest Best DSLR Camera and Best Mirrorless Interchangeable Lens Camera listings 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 says little about, for example, the shooting experience and imaging performance of the D2X and the GM5 in practical situations. 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 why expert reviews are important. The table below provides a synthesis of the camera assessments of some of the best known photo-gear review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

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Expert Camera Reviews
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Nikon D2X......+ +.... Sep 2004 4,999ebay.com
2.
 
Panasonic GM53.5/5+..77/1005/54.5/5 Sep 2014 749ebay.com
3.
 
Nikon D1......+ +.... Jun 1999 5,499ebay.com
4.
 
Nikon D1H......+ +.... Feb 2001 4,499ebay.com
5.
 
Nikon D1X......+ +.... Feb 2001 5,999ebay.com
6.
 
Nikon D2H......+ +.... Jul 2003 3,499ebay.com
7.
 
Nikon D2Xs............ Jun 2006 4,699ebay.com
8.
 
Nikon D3......+ +5/54.5/5 Aug 2007 4,999ebay.com
9.
 
Nikon D3S5/5....89/1004.5/55/5 Oct 2009 5,199ebay.com
10.
 
Nikon D200..+ +..+ +o.. Nov 2005 1,699ebay.com
11.
 
Nikon D300..+ +..+ +5/54.5/5 Aug 2007 1,799ebay.com
12.
 
Nikon D300S5/5+ +..82/1004/54.5/5 Jul 2009 1,799ebay.com
13.
 
Panasonic G64/5+ +....5/54.5/5 Apr 2013 599ebay.com
14.
 
Panasonic G74/5+ +3.5/580/1005/54.5/5 May 2015 649ebay.com
15.
 
Panasonic GH25/5+ +..79/1004.5/55/5 Sep 2010 899ebay.com
16.
 
Panasonic GM13/5+..78/1005/54.5/5 Oct 2013 749ebay.com
17.
 
Panasonic GX13/5+..77/1004.5/54.5/5 Nov 2011 699ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted 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. Thus, a score needs to be put into the context of the launch date and the launch price 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 your choice using the following search menu. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.

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    Specifications: Nikon D2X vs Panasonic GM5

    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 D2X Panasonic GM5
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Nikon F mount lenses Micro Four Thirds lenses
    Launch Date September 2004 September 2014
    Launch Price USD 4,999 USD 749
    Sensor Specs Nikon D2X Panasonic GM5
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor Four Thirds Sensor
    Sensor Size 23.7 x 15.7 mm 17.3 x 13.0 mm
    Sensor Area 372.09 mm2 224.9 mm2
    Sensor Diagonal 28.4 mm 21.6 mm
    Crop Factor 1.5x 2.0x
    Sensor Resolution 12.2 Megapixels 15.8 Megapixels
    Image Resolution 4288 x 2848 pixels 4592 x 3448 pixels
    Pixel Pitch 5.52 μm 3.77 μm
    Pixel Density 3.28 MP/cm2 7.04 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability no Video 1080/60p Video
    ISO Setting 100 - 800 ISO 200 - 25,600 ISO
    ISO Boost 100 - 3,200 ISO 100 - 25,600 ISO
    DXO Sensor Quality (score) 59 66
    DXO Color Depth (bits) 22.1 22.1
    DXO Dynamic Range (EV) 10.9 11.7
    DXO Low Light (ISO) 476 721
    Screen Specs Nikon D2X Panasonic GM5
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.57x 0.46x
    Viewfinder Resolution 1166k dots
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View
    Rear LCD Size 2.5inch 3.0inch
    LCD Resolution 235k dots 921k dots
    LCD Attachment Fixed screen Fixed screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Nikon D2X Panasonic GM5
    Focus System Phase-detect AF Contrast-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/500s
    Continuous Shooting 5 shutter flaps/s 5.8 shutter flaps/s
    Electronic Shutterno E-Shutterup to 1/16000s
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium CF cards SDXC cards
    Single or Dual Card Slots Single card slot Single card slot
    Connectivity Specs Nikon D2X Panasonic GM5
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 2.0 USB 2.0
    HDMI Port no HDMI micro HDMI
    Wifi Support no Wifi Wifi built-in
    Body Specs Nikon D2X Panasonic GM5
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type Nikon EN-EL4a Panasonic DMW-BLH7
    Battery Life (CIPA)3800 shots per charge220 shots per charge
    Body Dimensions 158 x 150 x 86 mm
    (6.2 x 5.9 x 3.4 in)
    99 x 60 x 36 mm
    (3.9 x 2.4 x 1.4 in)
    Camera Weight 1252 g (44.2 oz) 211 g (7.4 oz)
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    Check D2X offers at
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    Check GM5 offers at
    ebay.com

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