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Nikon D2Xs vs Olympus E-M10

The Nikon D2Xs and the Olympus OM-D E-M10 are two digital cameras that were revealed to the public, respectively, in June 2006 and January 2014. The D2Xs is a DSLR, while the E-M10 is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (D2Xs) and a Four Thirds (E-M10) 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 D2Xs
versus
Olympus E-M10
Nikon D2Xs   Olympus E-M10
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 (800 - 3,200) ISO 200-25,600
Optical viewfinder Electronic viewfinder (1440k dots)
2.5 LCD, 230k dots 3.0 LCD, 1037k dots
Fixed screen (not touch-sensitive) Tilting touchscreen
5 shutter flaps per second 8 shutter flaps per second
Lens stabilization onlyIn-body stabilization
Weathersealed bodynot weather sealed
3800 shots per battery charge320 shots per battery charge
158 x 150 x 86 mm, 1252 g 119 x 82 x 46 mm, 396 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon D2Xs and the Olympus OM-D E-M10? 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 side-by-side display below illustrates the physical size and weight of the Nikon D2Xs and the Olympus E-M10. 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 measures are rounded to the nearest millimeter.

The E-M10 can be obtained in two different colors (black, silver), while the D2Xs is only available in black.

Size Nikon D2Xs vs Olympus E-M10
Compare D2Xs versus E-M10 top
Comparison D2Xs or E-M10 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Olympus E-M10 is considerably smaller (59 percent) than the Nikon D2Xs. Moreover, the E-M10 is substantially lighter (68 percent) than the D2Xs. It is worth mentioning in this context that the D2Xs is splash and dust resistant, while the E-M10 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 (D2Xs) and the Micro Four Thirds Lens Catalog (E-M10). Mirrorless cameras, such as the E-M10, 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 D2Xs gets 3800 shots out of its EN-EL4a battery, while the E-M10 can take 320 images on a single charge of its BLS-5 power pack. As can be seen in the images above, the D2Xs 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 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 D2Xs 158 mm 150 mm 86 mm 1252 g 3800 Y Jun 2006 4,699i
2.
 
Olympus E-M10 119 mm 82 mm 46 mm 396 g 320 n Jan 2014 699i
3.
 
Canon 1D Mark III 156 mm 157 mm 80 mm 1155 g 2200 Y Feb 2007 4,499i
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 D40X 124 mm 94 mm 64 mm 522 g 520 n Mar 2007 729i
7.
 
Nikon D300 147 mm 114 mm 74 mm 925 g 1000 Y Aug 2007 1,799i
8.
 
Nikon D80 132 mm 103 mm 77 mm 668 g 600 n Aug 2006 999i
9.
 
Nikon D200 147 mm 113 mm 74 mm 920 g 400 Y Nov 2005 1,699i
10.
 
Nikon D2X 158 mm 150 mm 86 mm 1252 g 3800 Y Sep 2004 4,999i
11.
 
Nikon D1H 157 mm 153 mm 85 mm 1100 g 1200 Y Feb 2001 4,499i
12.
 
Nikon D1 157 mm 153 mm 85 mm 1100 g .. Y Jun 1999 5,499i
13.
 
Olympus E-M10 II 120 mm 83 mm 47 mm 390 g 320 n Aug 2015 649i
14.
 
Olympus E-PL7 115 mm 67 mm 38 mm 357 g 350 n Aug 2014 599i
15.
 
Olympus E-P5 122 mm 69 mm 37 mm 420 g 330 n May 2013 999i
16.
 
Panasonic G6 122 mm 85 mm 71 mm 390 g 340 n Apr 2013 599i
17.
 
Panasonic GX7 123 mm 71 mm 55 mm 402 g 350 n Aug 2013 999i
Notes: 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 listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The E-M10 was launched at a markedly lower price (by 85 percent) than the D2Xs, 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. 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. 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 D2Xs features an APS-C sensor and the Olympus E-M10 a Four Thirds sensor. The sensor area in the E-M10 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 D2Xs has a native 3:2 aspect ratio, while the one in the E-M10 offers a 4:3 aspect.

Nikon D2Xs and Olympus E-M10 sensor measures

Despite having a smaller sensor, the E-M10 offers a higher resolution of 15.9 megapixels, compared with 12.2 MP of the D2Xs. 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 D2Xs). However, it should be noted that the E-M10 is much more recent (by 7 years and 8 months) than the D2Xs, 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-M10 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Olympus E-M10 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the E-M10 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 D2Xs 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 D2Xs has a native sensitivity range from ISO 100 to ISO 800, which can be extended to ISO 800-3200. The corresponding ISO settings for the Olympus OM-D E-M10 are ISO 200 to ISO 25600, with the possibility to increase the ISO range to 100-25600.

D2Xs versus E-M10 MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. 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 E-M10 offers substantially better image quality than the D2Xs (overall score 13 points higher). The advantage is based on 0.6 bits higher color depth, 1.4 EV in additional dynamic range, and 0.9 stops in additional low light sensitivity. The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.

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Sensor Characteristics
    Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Nikon D2Xs APS-C 12.2 4288 2848none22.210.948959
2.
 
Olympus E-M10 Four Thirds 15.9 4608 34561080/30p22.812.388472
3.
 
Canon 1D Mark III APS-H 10.1 3888 2592none22.711.7107871
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 D40X APS-C 10.0 3872 2592none22.411.451663
7.
 
Nikon D300 APS-C 12.2 4288 2848none22.112.067967
8.
 
Nikon D80 APS-C 10.0 3872 2592none22.111.252461
9.
 
Nikon D200 APS-C 10.0 3872 2592none22.311.558364
10.
 
Nikon D2X APS-C 12.2 4288 2848none22.110.947659
11.
 
Nikon D1H APS-C 2.6 2000 1312none........
12.
 
Nikon D1 APS-C 2.6 2000 1312none........
13.
 
Olympus E-M10 II Four Thirds 15.9 4608 34561080/60p23.112.584273
14.
 
Olympus E-PL7 Four Thirds 15.9 4608 34561080/30p22.712.487372
15.
 
Olympus E-P5 Four Thirds 15.9 4608 34561080/30p22.812.489572
16.
 
Panasonic G6 Four Thirds 15.9 4608 34561080/60p21.311.563961
17.
 
Panasonic GX7 Four Thirds 15.8 4592 34481080/60p22.612.271870

Many modern cameras cannot only take still pictures, but also record videos. The E-M10 indeed provides for movie recording, while the D2Xs does not. The highest resolution format that the E-M10 can use is 1080/30p.

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the E-M10 has an electronic viewfinder (1440k dots), while the D2Xs 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-M10 has a higher magnification than the one of the D2Xs (0.58x 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 D2Xs and Olympus E-M10 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)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Nikon D2Xsoptical Y2.5 / 230 fixed n 1/8000s 5.0 n n
2.
 
Olympus E-M101440 n3.0 / 1037 tilting Y 1/4000s 8.0 Y Y
3.
 
Canon 1D Mark IIIoptical Y3.0 / 230 fixed n 1/8000s 10.0 n n
4.
 
Nikon D300Soptical Y3.0 / 920 fixed n 1/8000s 7.0 Y n
5.
 
Nikon D3optical Y3.0 / 922 fixed n 1/8000s 11.0 n n
6.
 
Nikon D40Xoptical n2.5 / 230 fixed n 1/4000s 3.0 Y n
7.
 
Nikon D300optical Y3.0 / 922 fixed n 1/8000s 6.0 Y n
8.
 
Nikon D80optical n2.5 / 230 fixed n 1/4000s 3.0 Y n
9.
 
Nikon D200optical Y2.5 / 230 fixed n 1/8000s 5.0 Y n
10.
 
Nikon D2Xoptical Y2.5 / 235 fixed n 1/8000s 5.0 n n
11.
 
Nikon D1Hoptical Y2.0 / 120 fixed n 1/16000s 5.0 n n
12.
 
Nikon D1optical Y2.0 / 120 fixed n 1/16000s 1.5 n n
13.
 
Olympus E-M10 II2360 n3.0 / 1040 tilting Y 1/4000s 8.0 Y Y
14.
 
Olympus E-PL7optional n3.0 / 1037 tilting Y 1/4000s 8.0 n Y
15.
 
Olympus E-P5optional n3.0 / 1037 tilting Y 1/8000s 9.0 Y Y
16.
 
Panasonic G61440 n3.0 / 1036 swivel Y 1/4000s 7.0 Y n
17.
 
Panasonic GX72760 n3.0 / 1040 tilting Y 1/8000s 5.0 Y Y

One feature that is present on the D2Xs, but is missing on the E-M10 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 Olympus E-M10 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 D2Xs writes its imaging data to Compact Flash cards, while the E-M10 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 D2Xs and Olympus OM-D E-M10 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 D2XsY- / ----2.0---
2.
 
Olympus E-M10Ystereo / mono--micro2.0Y--
3.
 
Canon 1D Mark IIIY- / ----2.0---
4.
 
Nikon D300SYstereo / monoY-mini2.0---
5.
 
Nikon D3Y- / ---mini2.0---
6.
 
Nikon D40XY- / ----2.0---
7.
 
Nikon D300Y- / ---mini2.0---
8.
 
Nikon D80Y- / ----2.0---
9.
 
Nikon D200Y- / ----2.0---
10.
 
Nikon D2XY- / ----2.0---
11.
 
Nikon D1HY- / ----FW---
12.
 
Nikon D1Y- / ----FW---
13.
 
Olympus E-M10 IIYstereo / mono--micro2.0Y--
14.
 
Olympus E-PL7Ystereo / mono--micro2.0Y--
15.
 
Olympus E-P5Ystereo / mono--micro2.0Y--
16.
 
Panasonic G6Ystereo / monoY-mini2.0YY-
17.
 
Panasonic GX7Ystereo / mono--mini2.0YY-

It is notable that the E-M10 offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the D2Xs does not provide wifi capability.

Studio photographers will appreciate that the Nikon D2Xs (unlike the E-M10) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the D2Xs and the E-M10 have been discontinued, but can regularly be found used on eBay. The D2Xs was replaced by the Nikon D3X, while the E-M10 was followed by the Olympus E-M10 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 is the bottom line? Which of the two cameras – the Nikon D2Xs or the Olympus E-M10 – has the upper hand? Is one clearly better than the other? Below is a summary of the relative strengths of each of the two contestants.

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Advantages of the Nikon D2Xs:

  • 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.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • More portrait friendly: Features an integrated vertical grip for easier portrait shooting.
  • Longer lasting: Can take more shots (3800 versus 320) 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 June 2006).

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Reasons to prefer the Olympus OM-D E-M10:

  • 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 (13 points) in the DXO overall evaluation.
  • More dynamic range: Captures a broader range of light and dark details (1.4 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (0.9 stops ISO advantage).
  • Broader imaging potential: Can capture not only stills but also 1080/30p video.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.58x 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 230k 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 (8 vs 5 flaps/sec) to capture the decisive moment.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • More compact: Is smaller (119x82mm vs 158x150mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 856g or 68 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 fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • 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 7 years and 8 months of technical progress since the D2Xs launch.

If the count of individual advantages (bullet points above) is taken as a guide, the E-M10 is the clear winner of the contest (22 : 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 sports photographer will view the differences between cameras in a way that diverges from the perspective of a street photog, and a person interested in family portraits has distinct needs from a landscape shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

D2Xs 09:22 E-M10

How about other alternatives? Do the specifications of the Nikon D2Xs and the Olympus E-M10 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 technical specifications can provide a useful overview of the capabilities of different cameras, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the D2Xs or the E-M10. User reviews that are available, for instance, at amazon can sometimes shed light on these issues, but such feedback is all too often partial, inconsistent, and inaccurate.

Expert reviews

This is why expert reviews are important. The following table reports the overall ratings of the cameras as published by some of the major camera review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

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Expert Camera Reviews
     Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Nikon D2Xs............ Jun 2006 4,699i
2.
 
Olympus E-M104/5....80/1005/55/5 Jan 2014 699i
3.
 
Canon 1D Mark III............ Feb 2007 4,499i
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 D40X..79/100..+ +4/54/5 Mar 2007 729i
7.
 
Nikon D300..+ +..+ +5/54.5/5 Aug 2007 1,799i
8.
 
Nikon D80..+..+ +o4.5/5 Aug 2006 999i
9.
 
Nikon D200..+ +..+ +o.. Nov 2005 1,699i
10.
 
Nikon D2X......+ +.... Sep 2004 4,999i
11.
 
Nikon D1H......+ +.... Feb 2001 4,499i
12.
 
Nikon D1......+ +.... Jun 1999 5,499i
13.
 
Olympus E-M10 II4.5/5+ +..80/1005/55/5 Aug 2015 649i
14.
 
Olympus E-PL74/5+....5/54/5 Aug 2014 599i
15.
 
Olympus E-P55/5+ +..78/1004.5/55/5 May 2013 999i
16.
 
Panasonic G64/5+ +....5/54.5/5 Apr 2013 599i
17.
 
Panasonic GX74/5+..79/1005/55/5 Aug 2013 999i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The review scores listed above should be treated with care, though. The ratings are only valid when referring to cameras in the same category and of the same age. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date 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 D2Xs:
Check Ebay offers
Olympus E-M10:
Check Ebay offers

Other camera comparisons

Did this review help to inform your camera decision process? In case you are interested in seeing how other cameras pair up, just make a corresponding selection in the search boxes below. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.

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    Specifications: Nikon D2Xs vs Olympus E-M10

    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 D2Xs Olympus E-M10
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Nikon F mount lenses Micro Four Thirds lenses
    Launch Date June 2006 January 2014
    Launch Price USD 4,699 USD 699
    Sensor Specs Nikon D2Xs Olympus E-M10
    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 800 - 3,200 ISO 100 - 25,600 ISO
    DXO Sensor Quality (score) 59 72
    DXO Color Depth (bits) 22.2 22.8
    DXO Dynamic Range (EV) 10.9 12.3
    DXO Low Light (ISO) 489 884
    Screen Specs Nikon D2Xs Olympus E-M10
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.57x 0.58x
    Viewfinder Resolution 1440k dots
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View
    Rear LCD Size 2.5inch 3.0inch
    LCD Resolution 230k dots 1037k dots
    LCD Attachment Fixed screen Tilting screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Nikon D2Xs Olympus E-M10
    Focus System Phase-detect AF Contrast-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/4000s
    Continuous Shooting 5 shutter flaps/s 8 shutter flaps/s
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash no On-Board Flash Built-in Flash
    Storage Medium CF cards SDXC cards
    Second Storage Option Single card slot Single card slot
    Connectivity Specs Nikon D2Xs Olympus E-M10
    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 D2Xs Olympus E-M10
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type EN-EL4a BLS-5
    Battery Life (CIPA)3800 shots per charge320 shots per charge
    Body Dimensions 158 x 150 x 86 mm
    (6.2 x 5.9 x 3.4 in)
    119 x 82 x 46 mm
    (4.7 x 3.2 x 1.8 in)
    Camera Weight 1252 g (44.2 oz) 396 g (14.0 oz)

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