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Nikon D2Xs vs Olympus E-M1

The Nikon D2Xs and the Olympus OM-D E-M1 are two digital cameras that were officially introduced, respectively, in June 2006 and September 2013. The D2Xs is a DSLR, while the E-M1 is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (D2Xs) 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 D2Xs   Olympus E-M1
Nikon D2Xs 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 (800-3200) ISO 100-25600
Optical viewfinder Electronic viewfinder (2360k dots)
2.5" LCD, 230k dots 3.0" 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

Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon D2Xs 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 D2Xs 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 width, height and depth dimensions are rounded to the nearest millimeter.

The E-M1 can be obtained in two different colors (black, silver), while the D2Xs is only available in black.

Size Nikon D2Xs vs Olympus E-M1
Compare D2Xs versus E-M1 top
Comparison D2Xs 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 D2Xs. Moreover, the E-M1 is substantially lighter (60 percent) than the D2Xs. 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 (D2Xs) 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 D2Xs 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 D2Xs 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 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, just select a new right or left comparator from among the camera models in the table. Alternatively, you can also move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.

Camera Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(yes/no)
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
 
Nikon D2Xs» 6.2 in 5.9 in 3.4 in 44.2 oz 3800 Y Jun 2006 4,699- i Nikon D2Xs
 
Olympus E-M1« 5.1 in 3.7 in 2.5 in 17.5 oz 350 Y Sep 2013 1,399- i Olympus E-M1
 
Canon 1D Mark III« » 6.1 in 6.2 in 3.1 in 40.7 oz 2200 Y Feb 2007 4,499- i Canon 1D Mark III
 
Nikon D300S« » 5.8 in 4.5 in 3.2 in 33.1 oz 950 Y Jul 2009 1,799- i Nikon D300S
 
Nikon D3« » 6.3 in 6.2 in 3.5 in 45.9 oz 4300 Y Aug 2007 4,999- i Nikon D3
 
Nikon D40X« » 4.9 in 3.7 in 2.5 in 18.4 oz 520 n Mar 2007 729- i Nikon D40X
 
Nikon D300« » 5.8 in 4.5 in 2.9 in 32.6 oz 1000 Y Aug 2007 1,799- i Nikon D300
 
Nikon D80« » 5.2 in 4.1 in 3.0 in 23.6 oz 600 n Aug 2006 999- i Nikon D80
 
Nikon D200« » 5.8 in 4.4 in 2.9 in 32.5 oz 400 Y Nov 2005 1,699- i Nikon D200
 
Nikon D2X« » 6.2 in 5.9 in 3.4 in 44.2 oz 3800 Y Sep 2004 4,999- i Nikon D2X
 
Nikon D1H« » 6.2 in 6.0 in 3.3 in 38.8 oz 1200 Y Feb 2001 4,499- i Nikon D1H
 
Nikon D1« » 6.2 in 6.0 in 3.3 in 38.8 oz .. Y Jun 1999 5,499- i Nikon D1
 
Olympus E-M1 II« » 5.3 in 3.6 in 2.6 in 20.2 oz 440 Y Sep 2016 1,999 i i Olympus E-M1 II
 
Olympus PEN-F« » 4.9 in 2.8 in 1.5 in 15.1 oz 330 n Jan 2016 1,199 i i Olympus PEN-F
 
Olympus E-M5 II« » 4.9 in 3.3 in 1.8 in 16.5 oz 310 Y Feb 2015 1,099 i i Olympus E-M5 II
 
Olympus E-P5« » 4.8 in 2.7 in 1.5 in 14.8 oz 330 n May 2013 999- i Olympus E-P5
 
Olympus E-M5« » 4.8 in 3.5 in 1.7 in 15.0 oz 360 Y Feb 2012 1,299- i Olympus E-M5
Note: Measurements and pricing do not include easily detachable parts, such as interchangeable lenses or optional viewfinders.

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 E-M1 was launched at a markedly lower price (by 70 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 imaging sensor is at the core of digital cameras and its size is one of the main determining factors of image quality. A large sensor will generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have richer color-depth than smaller pixels in a sensor of the same technological generation. Furthermore, a large sensor camera will give the photographer more possibilities to use shallow depth-of-field in order to isolate a subject from the background. On the downside, larger sensors tend to be associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Nikon D2Xs 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 D2Xs has a native 3:2 aspect ratio, while the one in the E-M1 offers a 4:3 aspect.

Nikon D2Xs 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 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-M1 is much more recent (by 7 years and 3 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-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 inch or 58.5 x 43.9 cm, for very good quality (250 dpi) 18.4 x 13.8 inch or 46.8 x 35.1 cm, and for excellent quality (300 dpi) 15.4 x 11.5 inch or 39 x 29.3 cm. The corresponding values for the Nikon D2Xs are 21.4 x 14.2 inch or 54.5 x 36.2 cm for good quality, 17.2 x 11.4 inch or 43.6 x 28.9 cm for very good quality, and 14.3 x 9.5 inch 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 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-M1 are ISO 100 to ISO 25600 (no boost).

D2Xs versus E-M1 MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. 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 D2Xs (overall score 14 points higher). The advantage is based on 0.8 bits higher color depth, 1.8 EV in additional dynamic range, and 0.6 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.

Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Camera
Model
 
Nikon D2Xs» APS-C 12.2 4288 2848-22.210.948959Nikon D2Xs
 
Olympus E-M1« Four Thirds 15.9 4608 34561080/30p23.012.775773Olympus E-M1
 
Canon 1D Mark III« » APS-H 10.1 3888 2592-22.711.7107871Canon 1D Mark III
 
Nikon D300S« » APS-C 12.2 4288 2848720/24p22.512.278770Nikon D300S
 
Nikon D3« » Full Frame 12.1 4256 2832-23.512.2229081Nikon D3
 
Nikon D40X« » APS-C 10.0 3872 2592-22.411.451663Nikon D40X
 
Nikon D300« » APS-C 12.2 4288 2848-22.112.067967Nikon D300
 
Nikon D80« » APS-C 10.0 3872 2592-22.111.252461Nikon D80
 
Nikon D200« » APS-C 10.0 3872 2592-22.311.558364Nikon D200
 
Nikon D2X« » APS-C 12.2 4288 2848-22.110.947659Nikon D2X
 
Nikon D1H« » APS-C 2.6 2000 1312-----Nikon D1H
 
Nikon D1« » APS-C 2.6 2000 1312-----Nikon D1
 
Olympus E-M1 II« » Four Thirds 20.2 5184 38884K/30p23.712.8131280Olympus E-M1 II
 
Olympus PEN-F« » Four Thirds 20.2 5184 38881080/60p23.112.489474Olympus PEN-F
 
Olympus E-M5 II« » Four Thirds 15.9 4608 34561080/60p23.012.584273Olympus E-M5 II
 
Olympus E-P5« » Four Thirds 15.9 4608 34561080/30p22.812.489572Olympus E-P5
 
Olympus E-M5« » Four Thirds 15.9 4608 34561080/60i22.812.382671Olympus E-M5

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 D2Xs does not. The highest resolution format that the E-M1 can use is 1080/30p.

 

Feature comparison

Apart from 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 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-M1 has a higher magnification than the one of the D2Xs (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 following table reports on some other key feature differences and similarities of the Nikon D2Xs, the Olympus E-M1, and comparable cameras.

Core Features
  Camera
Model
Viewfinder
(Type or
'000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
('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
Camera
Model
 
Nikon D2Xs»optical Y 2.5 230 fixed n 1/8000s 5.0 n n Nikon D2Xs
 
Olympus E-M1«2360 n 3.0 1037 tilting Y 1/8000s 10.0 n Y Olympus E-M1
 
Canon 1D Mark III« »optical Y 3.0 230 fixed n 1/8000s 10.0 n n Canon 1D Mark III
 
Nikon D300S« »optical Y 3.0 920 fixed n 1/8000s 7.0 Y n Nikon D300S
 
Nikon D3« »optical Y 3.0 922 fixed n 1/8000s 11.0 n n Nikon D3
 
Nikon D40X« »optical n 2.5 230 fixed n 1/4000s 3.0 Y n Nikon D40X
 
Nikon D300« »optical Y 3.0 922 fixed n 1/8000s 6.0 Y n Nikon D300
 
Nikon D80« »optical n 2.5 230 fixed n 1/4000s 3.0 Y n Nikon D80
 
Nikon D200« »optical Y 2.5 230 fixed n 1/8000s 5.0 Y n Nikon D200
 
Nikon D2X« »optical Y 2.5 235 fixed n 1/8000s 5.0 n n Nikon D2X
 
Nikon D1H« »optical Y 2.0 120 fixed n 1/16000s 5.0 n n Nikon D1H
 
Nikon D1« »optical Y 2.0 120 fixed n 1/16000s 1.5 n n Nikon D1
 
Olympus E-M1 II« »2360 n 3.0 1037 swivel Y 1/8000s 18.0 n Y Olympus E-M1 II
 
Olympus PEN-F« »2360 n 3.0 1037 swivel Y 1/8000s 10.0 n Y Olympus PEN-F
 
Olympus E-M5 II« »2360 n 3.0 1037 swivel Y 1/8000s 10.0 n Y Olympus E-M5 II
 
Olympus E-P5« »- n 3.0 1037 tilting Y 1/8000s 9.0 Y Y Olympus E-P5
 
Olympus E-M5« »1440 n 3.0 610 tilting Y 1/4000s 9.0 n Y Olympus E-M5

One feature that is present on the D2Xs, 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 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 D2Xs 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 D2Xs and Olympus OM-D E-M1 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

Input-Output Connections
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Type
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
 
Nikon D2Xs»Y-----2.0---Nikon D2Xs
 
Olympus E-M1«YstereomonoY-micro2.0Y--Olympus E-M1
 
Canon 1D Mark III« »Y-----2.0---Canon 1D Mark III
 
Nikon D300S« »YstereomonoY-mini2.0---Nikon D300S
 
Nikon D3« »Y----mini2.0---Nikon D3
 
Nikon D40X« »Y-----2.0---Nikon D40X
 
Nikon D300« »Y----mini2.0---Nikon D300
 
Nikon D80« »Y-----2.0---Nikon D80
 
Nikon D200« »Y-----2.0---Nikon D200
 
Nikon D2X« »Y-----2.0---Nikon D2X
 
Nikon D1H« »Y-----FW---Nikon D1H
 
Nikon D1« »Y-----FW---Nikon D1
 
Olympus E-M1 II« »YstereomonoYYmicro3.0Y--Olympus E-M1 II
 
Olympus PEN-F« »Ystereomono--micro2.0Y--Olympus PEN-F
 
Olympus E-M5 II« »YstereomonoY-micro2.0Y--Olympus E-M5 II
 
Olympus E-P5« »Ystereomono--micro2.0Y--Olympus E-P5
 
Olympus E-M5« »Ystereomono--mini2.0---Olympus E-M5

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 D2Xs does not offer wifi capability.

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

Both the D2Xs and the E-M1 have been discontinued, but can regularly be found used on eBay. The D2Xs was replaced by the Nikon D3X, 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 how do things add up? Is the Nikon D2Xs better than the Olympus E-M1 or vice versa? The listing below highlights the relative strengths of the two models.

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Arguments in favor 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.
  • 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 June 2006).

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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 (0.6 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 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 (10 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 (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 (70 percent cheaper at launch).
  • More modern: Reflects 7 years and 3 months of technical progress since the D2Xs launch.

If the count of individual advantages (bullet points above) is taken as a guide, the E-M1 is the clear winner of the contest (22 : 6 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.

D2Xs 06:22 E-M1

How about other alternatives? Do the specifications of the Nikon D2Xs 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 D2Xs 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 following table reports the overall ratings of the cameras as published by some of the major camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, and photographyblog). 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.

Review Scores
  Camera
Model
cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
 
Nikon D2Xs»---o- Jun 2006 4,699- i Nikon D2Xs
 
Olympus E-M1«+ +84/1004.5/54.5/54.5/5 Sep 2013 1,399- i Olympus E-M1
 
Canon 1D Mark III« »---o- Feb 2007 4,499- i Canon 1D Mark III
 
Nikon D300S« »+ +82/1004/55/54.5/5 Jul 2009 1,799- i Nikon D300S
 
Nikon D3« »-+ +5/5o4.5/5 Aug 2007 4,999- i Nikon D3
 
Nikon D40X« »79/100+ +4/5o4/5 Mar 2007 729- i Nikon D40X
 
Nikon D300« »+ ++ +5/5o4.5/5 Aug 2007 1,799- i Nikon D300
 
Nikon D80« »++ +o4.5/54.5/5 Aug 2006 999- i Nikon D80
 
Nikon D200« »+ ++ +o5/5- Nov 2005 1,699- i Nikon D200
 
Nikon D2X« »-+ +-o- Sep 2004 4,999- i Nikon D2X
 
Nikon D1H« »-+ +-o- Feb 2001 4,499- i Nikon D1H
 
Nikon D1« »-+ +--- Jun 1999 5,499- i Nikon D1
 
Olympus E-M1 II« »+ +85/1004.5/55/54.5/5 Sep 2016 1,999 i i Olympus E-M1 II
 
Olympus PEN-F« »-82/1004.5/54.5/55/5 Jan 2016 1,199 i i Olympus PEN-F
 
Olympus E-M5 II« »+ +81/1005/54.5/55/5 Feb 2015 1,099 i i Olympus E-M5 II
 
Olympus E-P5« »+ +78/1004.5/54.5/55/5 May 2013 999- i Olympus E-P5
 
Olympus E-M5« »+ +80/1004.5/55/55/5 Feb 2012 1,299- i Olympus E-M5
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (-) not available.

The above review scores should be interpreted with care, though. The ratings are only valid when referring to cameras in the same category and of the same age. 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.

Nikon D2Xs:
Check Ebay offers
Olympus E-M1:
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 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: Nikon D2Xs 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 D2Xs Olympus E-M1
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Nikon F mount lenses Micro Four Thirds lenses
    Launch Date June 2006 September 2013
    Launch Price USD 4699 USD 1399
    Sensor Specs Nikon D2Xs 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 100-25600 ISO
    ISO Boost 800-3200 ISO no Enhancement
    DXO Sensor Quality (score) 59 73
    DXO Color Depth (bits) 22.2 23.0
    DXO Dynamic Range (EV) 10.9 12.7
    DXO Low Light (ISO) 489 757
    Screen Specs Nikon D2Xs 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 2.5 inch 3.0 inch
    LCD Resolution 230k dots 1037k dots
    LCD Attachment Fixed screen Tilting screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Nikon D2Xs Olympus E-M1
    Autofocus System Phase-detect AF On-Sensor Phase-detect
    Manual Focusing AidNo Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/8000/s 1/8000/s
    Continuous Shooting 5 shutter flaps/s 10 shutter flaps/s
    Shutter Life Expectancy150 000 actuations150 000 actuations
    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 D2Xs 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 D2Xs 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)

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