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Nikon D3X vs Olympus E-PL2

The Nikon D3X and the Olympus PEN E-PL2 are two digital cameras that were revealed to the public, respectively, in December 2008 and January 2011. The D3X is a DSLR, while the E-PL2 is a mirrorless interchangeable lens camera. The cameras are based on a full frame (D3X) and a Four Thirds (E-PL2) sensor. The Nikon has a resolution of 24.4 megapixels, whereas the Olympus provides 12.2 MP.

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

Headline Specifications
Nikon D3X   Olympus E-PL2
Nikon D3X Olympus E-PL2
Digital single lens reflex Mirrorless system camera
Nikon F mount lenses Micro Four Thirds lenses
24.4 MP, Full Frame Sensor 12.2 MP, Four Thirds Sensor
no Video 720/30p Video
ISO 100-1600 (50-6400) ISO 200-6400
Optical viewfinder Viewfinder optional
3.0" LCD, 922k dots 3.0" LCD, 460k dots
Fixed screen (not touch-sensitive) Fixed screen (not touch-sensitive)
5 shutter flaps per second 3 shutter flaps per second
Lens stabilization onlyIn-body stabilization
Weathersealed bodyNot weather sealed
4400 shots per battery charge280 shots per battery charge
160 x 157 x 88 mm, 1260 g 114 x 72 x 42 mm, 362 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon D3X and the Olympus PEN E-PL2? 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 D3X and the Olympus E-PL2. 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-PL2 can be obtained in four different colors (black, silver, red, white), while the D3X is only available in black.

Size Nikon D3X vs Olympus E-PL2
Compare D3X versus E-PL2 top
Comparison D3X or E-PL2 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Olympus E-PL2 is considerably smaller (67 percent) than the Nikon D3X. Moreover, the E-PL2 is substantially lighter (71 percent) than the D3X. It is worth mentioning in this context that the D3X is splash and dust resistant, while the E-PL2 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 (D3X) and the Micro Four Thirds Lens Catalog (E-PL2). Mirrorless cameras, such as the E-PL2, 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 D3X gets 4400 shots out of its EN-EL4a battery, while the E-PL2 can take 280 images on a single charge of its BLS-5 power pack. As can be seen in the images above, the D3X has a battery grip built in. This facilitates image-taking in portrait orientation and gives it additional battery power.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. In case you want to display and compare another camera duo, just click on the right or left arrow next to the camera that you would like to inspect. Alternatively, you can also use the CAM-parator to select your camera combination among a larger number of options.

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 D3X» 6.3 in 6.2 in 3.5 in 44.4 oz 4400 Y Dec 2008 7,999- i Nikon D3X
 
Olympus E-PL2« 4.5 in 2.8 in 1.7 in 12.8 oz 280 n Jan 2011 599- i Olympus E-PL2
 
Canon 1Ds Mark III« » 5.9 in 6.3 in 3.1 in 48.9 oz 1800 Y Aug 2007 7,999- i Canon 1Ds Mark III
 
Nikon D5« » 6.3 in 6.3 in 3.6 in 49.9 oz 3780 Y Jan 2016 6,499 i i Nikon D5
 
Nikon D4S« » 6.3 in 6.2 in 3.6 in 47.6 oz 3020 Y Feb 2014 6,499- i Nikon D4S
 
Nikon D750« » 5.6 in 4.4 in 3.1 in 26.5 oz 1230 Y Sep 2014 2,299 i i Nikon D750
 
Nikon D610« » 5.6 in 4.4 in 3.2 in 30.0 oz 900 Y Oct 2013 1,999 i i Nikon D610
 
Nikon D4« » 6.3 in 6.2 in 3.6 in 47.3 oz 2600 Y Jan 2012 5,999- i Nikon D4
 
Nikon D600« » 5.6 in 4.4 in 3.2 in 30.0 oz 900 Y Sep 2012 2,099- i Nikon D600
 
Nikon D3S« » 6.3 in 6.2 in 3.5 in 43.7 oz 4200 Y Oct 2009 5,199- i Nikon D3S
 
Nikon D700« » 5.8 in 4.8 in 3.0 in 37.9 oz 1000 Y Jul 2008 2,999- i Nikon D700
 
Nikon D3« » 6.3 in 6.2 in 3.5 in 45.9 oz 4300 Y Aug 2007 4,999- i Nikon D3
 
Olympus E-P3« » 4.8 in 2.7 in 1.3 in 13.0 oz 330 n Jun 2011 799- i Olympus E-P3
 
Olympus E-PL3« » 4.3 in 2.5 in 1.5 in 11.0 oz 300 n Jun 2011 599- i Olympus E-PL3
 
Olympus E-PL1« » 4.5 in 2.8 in 1.7 in 11.8 oz 290 n Feb 2010 599- i Olympus E-PL1
 
Olympus E-P2« » 4.8 in 2.8 in 1.4 in 12.5 oz 300 n Nov 2009 799- i Olympus E-P2
 
Panasonic G10« » 4.9 in 3.3 in 2.9 in 13.7 oz 380 n Mar 2010 499- i Panasonic G10
Note: Measurements and pricing do not include easily detachable parts, such as 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-PL2 was launched at a markedly lower price (by 93 percent) than the D3X, which puts it into a different market segment. Usually, retail prices stay at first close to the launch price, but after several months, discounts become available. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

 

Sensor comparison

The size of the imaging sensor is a crucial determinant of image quality. A large sensor will generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have richer color-depth than smaller pixels in a sensor of the same technological generation. Moreover, a large sensor camera will give the photographer more control over depth-of-field in the image and, thus, the ability to better isolate a subject from the background. On the downside, larger sensors tend to be more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Nikon D3X features a full frame sensor and the Olympus E-PL2 a Four Thirds sensor. The sensor area in the E-PL2 is 74 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.0 and 2.0. The sensor in the D3X has a native 3:2 aspect ratio, while the one in the E-PL2 offers a 4:3 aspect.

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

Nikon D3X and Olympus E-PL2 sensor measures

With 24.4MP, the D3X offers a higher resolution than the E-PL2 (12.2MP), but the D3X nevertheless has larger individual pixels (pixel pitch of 5.94μm versus 4.29μm for the E-PL2) due to its larger sensor. However, the E-PL2 is a much more recent model (by 2 years and 1 month) than the D3X, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixels.

The resolution advantage of the Nikon D3X implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the D3X for good quality output (200 dots per inch) amounts to 30.2 x 20.2 inch or 76.8 x 51.2 cm, for very good quality (250 dpi) 24.2 x 16.1 inch or 61.4 x 41 cm, and for excellent quality (300 dpi) 20.2 x 13.4 inch or 51.2 x 34.1 cm. The corresponding values for the Olympus E-PL2 are 20.2 x 15.1 inch or 51.2 x 38.4 cm for good quality, 16.1 x 12.1 inch or 41 x 30.7 cm for very good quality, and 13.4 x 10.1 inch or 34.1 x 25.6 cm for excellent quality prints.

The Nikon D3X has a native sensitivity range from ISO 100 to ISO 1600, which can be extended to ISO 50-6400. The corresponding ISO settings for the Olympus PEN E-PL2 are ISO 200 to ISO 6400 (no boost).

D3X versus E-PL2 MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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 review, the D3X provides substantially higher image quality than the E-PL2, with an overall score that is 33 points higher. This advantage is based on 3.3 bits higher color depth, 3.5 EV in additional dynamic range, and 1.8 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.

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 D3X» Full Frame 24.4 6048 4032-24.713.7199288Nikon D3X
 
Olympus E-PL2« Four Thirds 12.2 4032 3024720/30p21.410.257355Olympus E-PL2
 
Canon 1Ds Mark III« » Full Frame 21.0 5616 3744-24.012.0166380Canon 1Ds Mark III
 
Nikon D5« » Full Frame 20.7 5588 37124K/30p25.112.3234388Nikon D5
 
Nikon D4S« » Full Frame 16.2 4928 32801080/60p24.413.3307489Nikon D4S
 
Nikon D750« » Full Frame 24.2 6016 40161080/60p24.814.5295693Nikon D750
 
Nikon D610« » Full Frame 24.2 6016 40161080/30p25.114.4292594Nikon D610
 
Nikon D4« » Full Frame 16.2 4928 32801080/30p24.713.1296589Nikon D4
 
Nikon D600« » Full Frame 24.2 6016 40161080/30p25.114.2298094Nikon D600
 
Nikon D3S« » Full Frame 12.1 4256 2832720/24p23.512.0325382Nikon D3S
 
Nikon D700« » Full Frame 12.1 4256 2832-23.512.2230380Nikon D700
 
Nikon D3« » Full Frame 12.1 4256 2832-23.512.2229081Nikon D3
 
Olympus E-P3« » Four Thirds 12.2 4032 30241080/60i20.810.153651Olympus E-P3
 
Olympus E-PL3« » Four Thirds 12.2 4032 30241080/60i20.910.349952Olympus E-PL3
 
Olympus E-PL1« » Four Thirds 12.2 4032 3024720/30p21.510.148754Olympus E-PL1
 
Olympus E-P2« » Four Thirds 12.2 4032 3024720/30p21.510.450556Olympus E-P2
 
Panasonic G10« » Four Thirds 12.0 4000 3000720/30p21.210.141152Panasonic G10

Many modern cameras are not only capable of taking still images, but also of capturing video footage. The E-PL2 indeed provides for movie recording, while the D3X does not. The highest resolution format that the E-PL2 can use is 720/30p.

 

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the D3X has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the E-PL2 relies on live view and the rear LCD for framing. That said, the E-PL2 can be equipped with an optional viewfinder – the VF-2. The table below summarizes some of the other core capabilities of the Nikon D3X and Olympus E-PL2 in connection with corresponding information for a sample of similar 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 D3X»optical Y 3.0 922 fixed n 1/8000s 5.0 n n Nikon D3X
 
Olympus E-PL2«- n 3.0 460 fixed n 1/4000s 3.0 Y Y Olympus E-PL2
 
Canon 1Ds Mark III« »optical Y 3.0 230 fixed n 1/8000s 5.0 n n Canon 1Ds Mark III
 
Nikon D5« »optical Y 3.2 2359 fixed Y 1/8000s 14.0 n n Nikon D5
 
Nikon D4S« »optical Y 3.2 921 fixed n 1/8000s 11.0 n n Nikon D4S
 
Nikon D750« »optical Y 3.2 1229 tilting n 1/4000s 6.0 Y n Nikon D750
 
Nikon D610« »optical Y 3.2 921 fixed n 1/4000s 6.0 Y n Nikon D610
 
Nikon D4« »optical Y 3.2 921 fixed n 1/8000s 11.0 n n Nikon D4
 
Nikon D600« »optical Y 3.0 921 fixed n 1/4000s 5.5 Y n Nikon D600
 
Nikon D3S« »optical Y 3.0 921 fixed n 1/8000s 11.0 n n Nikon D3S
 
Nikon D700« »optical Y 3.0 922 fixed n 1/8000s 8.0 Y n Nikon D700
 
Nikon D3« »optical Y 3.0 922 fixed n 1/8000s 11.0 n n Nikon D3
 
Olympus E-P3« »- n 3.0 614 fixed Y 1/4000s 3.0 Y Y Olympus E-P3
 
Olympus E-PL3« »- n 3.0 460 tilting n 1/4000s 5.5 n Y Olympus E-PL3
 
Olympus E-PL1« »- n 2.7 230 fixed n 1/2000s 3.0 Y Y Olympus E-PL1
 
Olympus E-P2« »- n 3.0 230 fixed n 1/4000s 3.0 n Y Olympus E-P2
 
Panasonic G10« »202 n 3.0 460 fixed n 1/4000s 2.6 Y n Panasonic G10

One feature that is present on the D3X, but is missing on the E-PL2 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 Nikon D3X 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 D3X writes its imaging data to Compact Flash cards, while the E-PL2 uses SDHC cards. The D3X features dual card slots, which can be very useful in case a memory card fails. In contrast, the E-PL2 only has one slot.

 

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 D3X and Olympus PEN E-PL2 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 D3X»Y----mini2.0---Nikon D3X
 
Olympus E-PL2«Ystereo---mini2.0---Olympus E-PL2
 
Canon 1Ds Mark III« »Y-----2.0---Canon 1Ds Mark III
 
Nikon D5« »YstereomonoYYmini3.0---Nikon D5
 
Nikon D4S« »YmonomonoYYmini2.0---Nikon D4S
 
Nikon D750« »YstereomonoYYmini2.0Y--Nikon D750
 
Nikon D610« »YmonomonoYYmini2.0---Nikon D610
 
Nikon D4« »Ymonomono--micro2.0---Nikon D4
 
Nikon D600« »YmonomonoYYmini2.0---Nikon D600
 
Nikon D3S« »Ystereo---mini2.0---Nikon D3S
 
Nikon D700« »Y----mini2.0---Nikon D700
 
Nikon D3« »Y----mini2.0---Nikon D3
 
Olympus E-P3« »Ystereo---mini2.0---Olympus E-P3
 
Olympus E-PL3« »Ystereo---mini2.0---Olympus E-PL3
 
Olympus E-PL1« »Ystereo---mini2.0---Olympus E-PL1
 
Olympus E-P2« »Ystereo---mini2.0---Olympus E-P2
 
Panasonic G10« »Ymono---mini2.0---Panasonic G10

Studio photographers will appreciate that the Nikon D3X (unlike the E-PL2) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the D3X and the E-PL2 have been discontinued, but can regularly be found used on eBay. The E-PL2 was replaced by the Olympus E-PL3, while the D3X does not have a direct successor. 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? Is the Nikon D3X better than the Olympus E-PL2 or vice versa? A synthesis of the relative strong points of each of the models is listed below.

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Reasons to prefer the Nikon D3X:

  • More detail: Offers more megapixels (24.4 vs 12.2MP) with a 44% higher linear resolution.
  • Better image quality: Scores substantially higher (33 points) in the DXO overall assessment.
  • Richer colors: Generates images with noticeably better colors (3.3 bits more color depth).
  • More dynamic range: Captures a larger spectrum of light and dark details (3.5 EV of extra DR).
  • Better low-light sensitivity: Requires less light for good images (1.8 stops ISO advantage).
  • Easier framing: Has an optical viewfinder for image composition and settings control.
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • More detailed LCD: Has a higher resolution rear screen (922k vs 460k dots).
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (5 vs 3 flaps/sec) to capture the decisive moment.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • More portrait friendly: Features an integrated vertical grip for easier portrait shooting.
  • Longer lasting: Can take more shots (4400 versus 280) 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.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • More heavily discounted: Has been available for much longer (launched in December 2008).

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Advantages of the Olympus PEN E-PL2:

  • Broader imaging potential: Can capture not only stills but also 720/30p video.
  • More compact: Is smaller (114x72mm vs 160x157mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 898g or 71 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.
  • More affordable: Was introduced into a lower priced category (93 percent cheaper at launch).
  • More modern: Reflects 2 years and 1 month of technical progress since the D3X launch.

If the count of relative strengths (bullet points above) is taken as a measure, the D3X is the clear winner of the match-up (17 : 8 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.

D3X 17:08 E-PL2

How about other alternatives? Do the specifications of the Nikon D3X and the Olympus E-PL2 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 specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it says little about, for example, the shooting experience and imaging performance of the D3X and the E-PL2 in practical situations. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.

Expert reviews

This is why hands-on reviews by experts 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 D3X»-86/1004/55/55/5 Dec 2008 7,999- i Nikon D3X
 
Olympus E-PL2«83/10071/1004.5/54.5/54.5/5 Jan 2011 599- i Olympus E-PL2
 
Canon 1Ds Mark III« »-+ +4.5/5-- Aug 2007 7,999- i Canon 1Ds Mark III
 
Nikon D5« »-89/1004.5/55/55/5 Jan 2016 6,499 i i Nikon D5
 
Nikon D4S« »--4.5/55/54.5/5 Feb 2014 6,499- i Nikon D4S
 
Nikon D750« »+ +90/1004.5/55/54.5/5 Sep 2014 2,299 i i Nikon D750
 
Nikon D610« »+ +87/1004.5/54.5/54.5/5 Oct 2013 1,999 i i Nikon D610
 
Nikon D4« »--4.5/5-4.5/5 Jan 2012 5,999- i Nikon D4
 
Nikon D600« »+ +87/1005/54.5/54.5/5 Sep 2012 2,099- i Nikon D600
 
Nikon D3S« »-89/1004.5/55/55/5 Oct 2009 5,199- i Nikon D3S
 
Nikon D700« »89/100+ +4.5/55/54.5/5 Jul 2008 2,999- i Nikon D700
 
Nikon D3« »-+ +5/5o4.5/5 Aug 2007 4,999- i Nikon D3
 
Olympus E-P3« »83/10074/1004.5/54.5/54.5/5 Jun 2011 799- i Olympus E-P3
 
Olympus E-PL3« »+ +72/1004.5/5-4/5 Jun 2011 599- i Olympus E-PL3
 
Olympus E-PL1« »86/10069/1004/54.5/54.5/5 Feb 2010 599- i Olympus E-PL1
 
Olympus E-P2« »+69/1004/54.5/54.5/5 Nov 2009 799- i Olympus E-P2
 
Panasonic G10« »-70/1004/5-4/5 Mar 2010 499- i Panasonic G10
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (-) not available.

Care should be taken when interpreting the review scores above, though. The assessments were made in relation to similar cameras of the same technological generation. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

Nikon D3X:
Check Ebay offers
Olympus E-PL2:
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 D3X vs Olympus E-PL2

    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 D3X Olympus E-PL2
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Nikon F mount lenses Micro Four Thirds lenses
    Launch Date December 2008 January 2011
    Launch Price USD 7999 USD 599
    Sensor Specs Nikon D3X Olympus E-PL2
    Sensor Technology CMOS CMOS
    Sensor Format Full Frame Sensor Four Thirds Sensor
    Sensor Size 35.9 x 24.0 mm 17.3 x 13.0 mm
    Sensor Area 861.6 mm2 224.9 mm2
    Sensor Diagonal 43.2 mm 21.6 mm
    Crop Factor 1.0x 2.0x
    Sensor Resolution 24.4 Megapixels 12.2 Megapixels
    Image Resolution 6048 x 4032 pixels 4032 x 3024 pixels
    Pixel Pitch 5.94 μm 4.29 μm
    Pixel Density 2.83 MP/cm2 5.42 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability no Video 720/30p Video
    ISO Setting 100-1600 ISO 200-6400 ISO
    ISO Boost 50-6400 ISO no Enhancement
    Image Processor EXPEED Truepic V
    DXO Sensor Quality (score) 88 55
    DXO Color Depth (bits) 24.7 21.4
    DXO Dynamic Range (EV) 13.7 10.2
    DXO Low Light (ISO) 1992 573
    Screen Specs Nikon D3X Olympus E-PL2
    Viewfinder Type Optical viewfinder Viewfinder optional
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.70x
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.0 inch 3.0 inch
    LCD Resolution 922k dots 460k dots
    LCD Attachment Fixed screen Fixed screen
    Shooting Specs Nikon D3X Olympus E-PL2
    Autofocus System Phase-detect AF Contrast-detect AF
    Continuous Shooting 5 shutter flaps/s 3 shutter flaps/s
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash no On-Board Flash Build-in Flash
    Storage Medium CF cards SDHC cards
    Second Storage Option Dual card slots Single card slot
    Connectivity Specs Nikon D3X Olympus E-PL2
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI mini HDMI
    Wifi Support no Wifi no Wifi
    Body Specs Nikon D3X Olympus E-PL2
    Environmental SealingWeathersealed bodyNot weather sealed
    Battery Type EN-EL4a BLS-5
    Battery Life (CIPA)4400 shots per charge280 shots per charge
    Body Dimensions 160 x 157 x 88 mm
    (6.3 x 6.2 x 3.5 in)
    114 x 72 x 42 mm
    (4.5 x 2.8 x 1.7 in)
    Camera Weight 1260 g (44.4 oz) 362 g (12.8 oz)

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