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Nikon D2X vs Olympus E-M1

The Nikon D2X and the Olympus OM-D E-M1 are two digital cameras that were announced, respectively, in September 2004 and September 2013. The D2X is a DSLR, while the E-M1 is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (D2X) and a Four Thirds (E-M1) sensor. The Nikon has a resolution of 12.2 megapixels, whereas the Olympus provides 15.9 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
Olympus E-M1
Nikon D2X   Olympus E-M1
Digital single lens reflex Mirrorless system camera
Nikon F mount lenses Micro Four Thirds lenses
12.2 MP – APS-C sensor 15.9 MP – Four Thirds sensor
no Video 1080/30p Video
ISO 100-800 (100 - 3,200) ISO 200-25,600
Optical viewfinder Electronic viewfinder (2360k dots)
2.5" LCD – 235k dots 2.5" LCD – 1037k dots
Fixed screen (not touch-sensitive) Tilting touchscreen
5 shutter flaps per second 10 shutter flaps per second
Lens stabilization onlyIn-body stabilization
Weathersealed bodyWeathersealed body
3800 shots per battery charge350 shots per battery charge
158 x 150 x 86 mm, 1252 g 130 x 94 x 63 mm, 497 g
Nikon D2X:
Check Ebay offers
Olympus E-M1:
Check Ebay offers

Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon D2X and the Olympus OM-D E-M1? 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

The physical size and weight of the Nikon D2X and the Olympus E-M1 are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All size dimensions are rounded to the nearest millimeter.

The E-M1 can be obtained in two different colors (black, silver), while the D2X is only available in black.

Size Nikon D2X vs Olympus E-M1
Compare D2X versus E-M1 top
Comparison D2X or E-M1 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Olympus E-M1 is considerably smaller (48 percent) than the Nikon D2X. Moreover, the E-M1 is substantially lighter (60 percent) than the D2X. In this context, it is worth noting that both cameras are splash and dust-proof and can, hence, be used in inclement weather conditions or harsh environments.

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 (E-M1). Mirrorless cameras, such as the E-M1, 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 EN-EL4a battery, while the E-M1 can take 350 images on a single charge of its BLN-1 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. In order to provide similar functionality for the E-M1, Olympus provides the HLD-7 vertical grip as an optional accessory (see here on eBay).

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. 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 D2X 158 mm 150 mm 86 mm 1252 g 3800 Y Sep 2004 4,999i
2.
 
Olympus E-M1 130 mm 94 mm 63 mm 497 g 350 Y Sep 2013 1,399i
3.
 
Nikon D3S 160 mm 157 mm 88 mm 1240 g 4200 Y Oct 2009 5,199i
4.
 
Nikon D300S 147 mm 115 mm 81 mm 938 g 950 Y Jul 2009 1,799i
5.
 
Nikon D3 160 mm 157 mm 88 mm 1300 g 4300 Y Aug 2007 4,999i
6.
 
Nikon D300 147 mm 114 mm 74 mm 925 g 1000 Y Aug 2007 1,799i
7.
 
Nikon D2Xs 158 mm 150 mm 86 mm 1252 g 3800 Y Jun 2006 4,699i
8.
 
Nikon D200 147 mm 113 mm 74 mm 920 g 400 Y Nov 2005 1,699i
9.
 
Nikon D2H 158 mm 150 mm 86 mm 1070 g 2900 Y Jul 2003 3,499i
10.
 
Nikon D1H 157 mm 153 mm 85 mm 1100 g 1200 Y Feb 2001 4,499i
11.
 
Nikon D1X 157 mm 153 mm 85 mm 1100 g 1200 Y Feb 2001 5,999i
12.
 
Nikon D1 157 mm 153 mm 85 mm 1100 g .. Y Jun 1999 5,499i
13.
 
Olympus E-M1 II 134 mm 91 mm 67 mm 574 g 440 Y Sep 2016 1,999 i
14.
 
Olympus PEN-F 125 mm 72 mm 37 mm 427 g 330 n Jan 2016 1,199i
15.
 
Olympus E-M5 II 124 mm 85 mm 45 mm 469 g 310 Y Feb 2015 1,099i
16.
 
Olympus E-P5 122 mm 69 mm 37 mm 420 g 330 n May 2013 999i
17.
 
Olympus E-M5 122 mm 89 mm 43 mm 425 g 360 Y Feb 2012 1,299i
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 E-M1 was launched at a markedly lower price (by 72 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 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. 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 Olympus E-M1 a Four Thirds sensor. The sensor area in the E-M1 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 E-M1 offers a 4:3 aspect.

In terms of underlying technology, both cameras are build around CMOS sensors.

Nikon D2X and Olympus E-M1 sensor measures

Despite having a smaller sensor, the E-M1 offers a higher resolution of 15.9 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 3.76μm versus 5.52μm for the D2X). However, it should be noted that the E-M1 is much more recent (by 8 years and 11 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. Coming back to sensor resolution, it should be mentioned that the E-M1 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Olympus E-M1 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the E-M1 for good quality output (200 dots per inch) amounts to 23 x 17.3 inches or 58.5 x 43.9 cm, for very good quality (250 dpi) 18.4 x 13.8 inches or 46.8 x 35.1 cm, and for excellent quality (300 dpi) 15.4 x 11.5 inches or 39 x 29.3 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 E-M1 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

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 Olympus OM-D E-M1 are ISO 200 to ISO 25600, with the possibility to increase the ISO range to 100-25600.

D2X versus E-M1 MP

For many cameras, data on sensor performance has been reported by DXO Mark. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). Of the two cameras under consideration, the E-M1 offers substantially better image quality than the D2X (overall score 14 points higher). The advantage is based on 0.9 bits higher color depth, 1.8 EV in additional dynamic range, and 0.7 stops in additional low light sensitivity. The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

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Sensor Characteristics
    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.
 
Olympus E-M1 Four Thirds 15.9 4608 34561080/30p23.012.775773
3.
 
Nikon D3S Full Frame 12.1 4256 2832720/24p23.512.0325382
4.
 
Nikon D300S APS-C 12.2 4288 2848720/24p22.512.278770
5.
 
Nikon D3 Full Frame 12.1 4256 2832none23.512.2229081
6.
 
Nikon D300 APS-C 12.2 4288 2848none22.112.067967
7.
 
Nikon D2Xs APS-C 12.2 4288 2848none22.210.948959
8.
 
Nikon D200 APS-C 10.0 3872 2592none22.311.558364
9.
 
Nikon D2H APS-C 4.0 2464 1632none18.910.035240
10.
 
Nikon D1H APS-C 2.6 2000 1312none........
11.
 
Nikon D1X APS-C 5.9 3008 1960none........
12.
 
Nikon D1 APS-C 2.6 2000 1312none........
13.
 
Olympus E-M1 II Four Thirds 20.2 5184 38884K/30p23.712.8131280
14.
 
Olympus PEN-F Four Thirds 20.2 5184 38881080/60p23.112.489474
15.
 
Olympus E-M5 II Four Thirds 15.9 4608 34561080/60p23.012.584273
16.
 
Olympus E-P5 Four Thirds 15.9 4608 34561080/30p22.812.489572
17.
 
Olympus E-M5 Four Thirds 15.9 4608 34561080/60i22.812.382671

Many modern cameras are not only capable of taking still images, but can also record movies. The E-M1 indeed provides for movie recording, while the D2X does not. The highest resolution format that the E-M1 can use is 1080/30p.

Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the E-M1 has an electronic viewfinder (2360k 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 E-M1 has a higher magnification than the one of the D2X (0.74x vs 0.57x), 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 Olympus E-M1 in connection with corresponding information for a sample of similar cameras.

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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 D2Xoptical Y2.5 / 235 fixed n 1/8000s 5.0/s n n
2.
 
Olympus E-M12360 n3.0 / 1037 tilting Y 1/8000s 10.0/s n Y
3.
 
Nikon D3Soptical Y3.0 / 921 fixed n 1/8000s 11.0/s n n
4.
 
Nikon D300Soptical Y3.0 / 920 fixed n 1/8000s 7.0/s Y n
5.
 
Nikon D3optical Y3.0 / 922 fixed n 1/8000s 11.0/s n n
6.
 
Nikon D300optical Y3.0 / 922 fixed n 1/8000s 6.0/s Y n
7.
 
Nikon D2Xsoptical Y2.5 / 230 fixed n 1/8000s 5.0/s n n
8.
 
Nikon D200optical Y2.5 / 230 fixed n 1/8000s 5.0/s Y n
9.
 
Nikon D2Hoptical Y2.5 / 211 fixed n 1/8000s 8.0/s n n
10.
 
Nikon D1Hoptical Y2.0 / 120 fixed n 1/16000s 5.0/s n n
11.
 
Nikon D1Xoptical Y2.0 / 120 fixed n 1/16000s 3.0/s n n
12.
 
Nikon D1optical Y2.0 / 120 fixed n 1/16000s 1.5/s n n
13.
 
Olympus E-M1 II2360 n3.0 / 1037 swivel Y 1/8000s 18.0/s n Y
14.
 
Olympus PEN-F2360 n3.0 / 1037 swivel Y 1/8000s 10.0/s n Y
15.
 
Olympus E-M5 II2360 n3.0 / 1037 swivel Y 1/8000s 10.0/s n Y
16.
 
Olympus E-P5optional n3.0 / 1037 tilting Y 1/8000s 9.0/s Y Y
17.
 
Olympus E-M51440 n3.0 / 610 tilting Y 1/4000s 9.0/s n Y
Notes: *) 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 E-M1 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 E-M1 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 Olympus E-M1 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 E-M1 uses SDXC cards.

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 Olympus OM-D E-M1 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 D2XY- / ----2.0---
2.
 
Olympus E-M1Ystereo / monoY-micro2.0Y--
3.
 
Nikon D3SYstereo / ---mini2.0---
4.
 
Nikon D300SYstereo / monoY-mini2.0---
5.
 
Nikon D3Y- / ---mini2.0---
6.
 
Nikon D300Y- / ---mini2.0---
7.
 
Nikon D2XsY- / ----2.0---
8.
 
Nikon D200Y- / ----2.0---
9.
 
Nikon D2HY- / ----2.0---
10.
 
Nikon D1HY- / ----FW---
11.
 
Nikon D1XY- / ----FW---
12.
 
Nikon D1Y- / ----FW---
13.
 
Olympus E-M1 IIYstereo / monoYYmicro3.0Y--
14.
 
Olympus PEN-FYstereo / mono--micro2.0Y--
15.
 
Olympus E-M5 IIYstereo / monoY-micro2.0Y--
16.
 
Olympus E-P5Ystereo / mono--micro2.0Y--
17.
 
Olympus E-M5Ystereo / mono--mini2.0---

It is notable that the E-M1 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.

Both cameras feature a PC Sync terminal to control professional strobe lights, which will be appreciated by studio photographers.

Both the D2X and the E-M1 have been discontinued, but can regularly be found used on eBay. The D2X was replaced by the Nikon D2Xs, while the E-M1 was followed by the Olympus E-M1 II. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Nikon and Olympus websites.

Review summary

So what conclusions can be drawn? Which of the two cameras – the Nikon D2X or the Olympus E-M1 – 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.

ilogo

Advantages of the Nikon D2X:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • More portrait friendly: Features an integrated vertical grip for easier portrait shooting.
  • Longer lasting: Can take more shots (3800 versus 350) on a single battery charge.
  • More heavily discounted: Has been available for much longer (launched in September 2004).

ilogo

Reasons to prefer the Olympus OM-D E-M1:

  • More detail: Has more megapixels (15.9 vs 12.2MP), which boosts linear resolution by 12%.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better image quality: Scores substantially higher (14 points) in the DXO overall evaluation.
  • More dynamic range: Captures a broader range of light and dark details (1.8 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (0.7 stops ISO advantage).
  • Broader imaging potential: Can capture not only stills but also 1080/30p video.
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.74x 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 (1037k vs 235k dots).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Faster burst: Shoots at higher frequency (10 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 (130x94mm vs 158x150mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 755g or 60 percent) and is thus easier to take along.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • 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 (72 percent cheaper at launch).
  • More modern: Reflects 8 years and 11 months of technical progress since the D2X launch.

If the number of relative strengths (bullet points above) is taken as a guide, the E-M1 is the clear winner of the contest (23 : 6 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 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 06:23 E-M1

How about other alternatives? Do the specifications of the Nikon D2X and the Olympus E-M1 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 E-M1 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 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 D2X......+ +.... Sep 2004 4,999i
2.
 
Olympus E-M15/5+ +..84/1004.5/54.5/5 Sep 2013 1,399i
3.
 
Nikon D3S5/5....89/1004.5/55/5 Oct 2009 5,199i
4.
 
Nikon D300S5/5+ +..82/1004/54.5/5 Jul 2009 1,799i
5.
 
Nikon D3......+ +5/54.5/5 Aug 2007 4,999i
6.
 
Nikon D300..+ +..+ +5/54.5/5 Aug 2007 1,799i
7.
 
Nikon D2Xs............ Jun 2006 4,699i
8.
 
Nikon D200..+ +..+ +o.. Nov 2005 1,699i
9.
 
Nikon D2H......+ +.... Jul 2003 3,499i
10.
 
Nikon D1H......+ +.... Feb 2001 4,499i
11.
 
Nikon D1X......+ +.... Feb 2001 5,999i
12.
 
Nikon D1......+ +.... Jun 1999 5,499i
13.
 
Olympus E-M1 II5/5+ +5/585/1004.5/54.5/5 Sep 2016 1,999 i
14.
 
Olympus PEN-F....4/582/1004.5/55/5 Jan 2016 1,199i
15.
 
Olympus E-M5 II5/5+ +4.5/581/1005/55/5 Feb 2015 1,099i
16.
 
Olympus E-P55/5+ +..78/1004.5/55/5 May 2013 999i
17.
 
Olympus E-M54/5+ +..80/1004.5/55/5 Feb 2012 1,299i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

Care should be taken when interpreting the review scores above, 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 comparisons of ratings among very different cameras or across long time periods have little meaning. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

Nikon D2X:
Check Ebay offers
Olympus E-M1:
Check Ebay offers

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 D2X vs Olympus E-M1

    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 Olympus E-M1
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Nikon F mount lenses Micro Four Thirds lenses
    Launch Date September 2004 September 2013
    Launch Price USD 4,999 USD 1,399
    Sensor Specs Nikon D2X Olympus E-M1
    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 15.9 Megapixels
    Image Resolution 4288 x 2848 pixels 4608 x 3456 pixels
    Pixel Pitch 5.52 μm 3.76 μm
    Pixel Density 3.28 MP/cm2 7.08 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability no Video 1080/30p 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 73
    DXO Color Depth (bits) 22.1 23.0
    DXO Dynamic Range (EV) 10.9 12.7
    DXO Low Light (ISO) 476 757
    Screen Specs Nikon D2X Olympus E-M1
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.57x 0.74x
    Viewfinder Resolution 2360k dots
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View
    Rear LCD Size 2.5inch 3.0inch
    LCD Resolution 235k dots 1037k dots
    LCD Attachment Fixed screen Tilting screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Nikon D2X Olympus E-M1
    Focus System Phase-detect AF On-Sensor Phase-detect
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/8000s
    Continuous Shooting 5 shutter flaps/s 10 shutter flaps/s
    Shutter Life Expectancy150 000 actuations150 000 actuations
    Electronic Shutterno E-ShutterYES
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium CF cards SDXC cards
    Second Storage Option Single card slot Single card slot
    Connectivity Specs Nikon D2X Olympus E-M1
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket PC Sync socket
    USB Connector USB 2.0 USB 2.0
    HDMI Port no HDMI micro HDMI
    Microphone Port no MIC socket External MIC port
    Wifi Support no Wifi Wifi built-in
    Body Specs Nikon D2X Olympus E-M1
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type EN-EL4a BLN-1
    Battery Life (CIPA)3800 shots per charge350 shots per charge
    Body Dimensions 158 x 150 x 86 mm
    (6.2 x 5.9 x 3.4 in)
    130 x 94 x 63 mm
    (5.1 x 3.7 x 2.5 in)
    Camera Weight 1252 g (44.2 oz) 497 g (17.5 oz)
    Nikon D2X:
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    Olympus E-M1:
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