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Nikon D5100 vs Olympus E-PL2

The Nikon D5100 and the Olympus PEN E-PL2 are two digital cameras that were officially introduced, respectively, in April 2011 and January 2011. The D5100 is a DSLR, while the E-PL2 is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (D5100) and a Four Thirds (E-PL2) sensor. The Nikon has a resolution of 16.1 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 D5100 VS Olympus E-PL2
Nikon D5100 Olympus E-PL2
Digital single lens reflex Mirrorless system camera
Nikon F mount lenses Micro Four Thirds lenses
16.1 MP, APS-C Sensor 12.2 MP, Four Thirds Sensor
1080/30p Video 720/30p Video
ISO 100-6400 (100-25600) ISO 200-6400
Optical viewfinder Viewfinder optional
3.0" LCD, 921k dots 3.0" LCD, 460k dots
Swivel screen (not touch-sensitive) Fixed screen (not touch-sensitive)
4 shutter flaps per second 3 shutter flaps per second
Lens stabilization onlyIn-body stabilization
660 shots per battery charge280 shots per battery charge
128 x 97 x 79 mm, 560 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 D5100 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

An illustration of the physical size and weight of the Nikon D5100 and the Olympus E-PL2 is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All width, height and depth dimensions are rounded to the nearest millimeter.

The E-PL2 can be obtained in four different colors (black, silver, red, white), while the D5100 is only available in black.

Size Nikon D5100 vs Olympus E-PL2
Compare D5100 versus E-PL2 top
Comparison D5100 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 (34 percent) than the Nikon D5100. Moreover, the E-PL2 is substantially lighter (35 percent) than the D5100. In this context, it is worth noting that neither the D5100 nor the E-PL2 are weather-sealed.

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 (D5100) 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 D5100 gets 660 shots out of its EN-EL14 battery, while the E-PL2 can take 280 images on a single charge of its BLS-5 power pack.

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)
Camera
Model
 
Nikon D5100» 5.0 in 3.8 in 3.1 in 19.8 oz 660 n Apr 2011 749iNikon D5100
 
Olympus E-PL2« 4.5 in 2.8 in 1.7 in 12.8 oz 280 n Jan 2011 599iOlympus E-PL2
 
Canon T2i« » 5.1 in 3.9 in 2.4 in 18.7 oz 440 n Feb 2010 699iCanon T2i
 
Nikon D5600« » 4.9 in 3.8 in 2.8 in 16.4 oz 970 n Nov 2016 699 iNikon D5600
 
Nikon D5300« » 4.9 in 3.9 in 3.0 in 16.9 oz 600 n Oct 2013 799iNikon D5300
 
Nikon D3200« » 4.9 in 3.8 in 3.0 in 17.8 oz 540 n Apr 2012 599iNikon D3200
 
Nikon D5200« » 5.1 in 3.9 in 3.1 in 19.6 oz 500 n Nov 2012 749iNikon D5200
 
Nikon D7000« » 5.2 in 4.1 in 3.0 in 27.5 oz 1050 Y Sep 2010 1,499iNikon D7000
 
Nikon D3100« » 4.9 in 3.8 in 3.0 in 17.8 oz 550 n Aug 2010 599iNikon D3100
 
Nikon D5000« » 5.0 in 4.1 in 3.1 in 20.8 oz 510 n Apr 2009 749iNikon D5000
 
Olympus E-P3« » 4.8 in 2.7 in 1.3 in 13.0 oz 330 n Jun 2011 799iOlympus E-P3
 
Olympus E-PL3« » 4.3 in 2.5 in 1.5 in 11.0 oz 300 n Jun 2011 599iOlympus E-PL3
 
Olympus E-PL1« » 4.5 in 2.8 in 1.7 in 11.8 oz 290 n Feb 2010 599iOlympus E-PL1
 
Olympus E-P2« » 4.8 in 2.8 in 1.4 in 12.5 oz 300 n Nov 2009 799iOlympus E-P2
 
Panasonic G10« » 4.9 in 3.3 in 2.9 in 13.7 oz 380 n Mar 2010 499iPanasonic G10
 
Sony NEX-5R« » 4.4 in 2.3 in 1.5 in 9.7 oz 330 n Aug 2012 749iSony NEX-5R
 
Sony NEX-5N« » 4.4 in 2.3 in 1.5 in 9.5 oz 460 n Aug 2011 699iSony NEX-5N
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 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-PL2 was launched at a somewhat lower price (by 20 percent) than the D5100, which makes it more attractive for photographers on a tight budget. 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.

 

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. 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 D5100 features an APS-C sensor and the Olympus E-PL2 a Four Thirds sensor. The sensor area in the E-PL2 is 39 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 D5100 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 D5100 and Olympus E-PL2 sensor measures

With 16.1MP, the D5100 offers a higher resolution than the E-PL2 (12.2MP), but the D5100 nevertheless has larger individual pixels (pixel pitch of 4.80μm versus 4.29μm for the E-PL2) due to its larger sensor. It is noteworthy in this context that the two cameras were released in close succession, so that their sensors are from the same technological generation.

The resolution advantage of the Nikon D5100 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the D5100 for good quality output (200 dots per inch) amounts to 24.6 x 16.3 inch or 62.6 x 41.5 cm, for very good quality (250 dpi) 19.7 x 13.1 inch or 50.1 x 33.2 cm, and for excellent quality (300 dpi) 16.4 x 10.9 inch or 41.7 x 27.6 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 D5100 has a native sensitivity range from ISO 100 to ISO 6400, which can be extended to ISO 100-25600. The corresponding ISO settings for the Olympus PEN E-PL2 are ISO 200 to ISO 6400 (no boost).

D5100 versus E-PL2 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 review, the D5100 provides substantially higher image quality than the E-PL2, with an overall score that is 25 points higher. This advantage is based on 2.1 bits higher color depth, 3.4 EV in additional dynamic range, and 1 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.

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 D5100 APS-C 16.1 4928 32641080/30p23.513.6118380Nikon D5100
 
Olympus E-PL2 Four Thirds 12.2 4032 3024720/30p21.410.257355Olympus E-PL2
 
Canon T2i APS-C 17.9 5184 34561080/30p22.111.578466Canon T2i
 
Nikon D5600 APS-C 24.0 6000 40001080/60p24.114.0130684Nikon D5600
 
Nikon D5300 APS-C 24.0 6000 40001080/60p24.013.9133883Nikon D5300
 
Nikon D3200 APS-C 24.1 6016 40001080/30p24.113.2113181Nikon D3200
 
Nikon D5200 APS-C 24.0 6000 40001080/60i24.213.9128484Nikon D5200
 
Nikon D7000 APS-C 16.1 4928 326410800/24p23.513.9116780Nikon D7000
 
Nikon D3100 APS-C 14.2 4608 30721080/24p22.511.391967Nikon D3100
 
Nikon D5000 APS-C 12.2 4288 2848720/24p22.712.586872Nikon D5000
 
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
 
Sony NEX-5R APS-C 16.0 4912 32641080/60i23.713.191078Sony NEX-5R
 
Sony NEX-5N APS-C 16.0 4912 32641080/60i23.612.7107977Sony NEX-5N

Many modern cameras are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the D5100 provides a higher video resolution than the E-PL2. It can shoot video footage at 1080/30p, while the Olympus is limited to 720/30p.

 

Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the D5100 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 adjacent table lists some of the other core features of the Nikon D5100 and Olympus E-PL2 along with similar information for a selection of comparators.

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 D5100optical n 3.0 921 swivel n 1/4000s 4.0 Y n Nikon D5100
 
Olympus E-PL2optional n 3.0 460 fixed n 1/4000s 3.0 Y Y Olympus E-PL2
 
Canon T2ioptical n 3.0 1040 fixed n 1/4000s 3.7 Y n Canon T2i
 
Nikon D5600optical n 3.2 1037 swivel Y 1/4000s 5.0 Y n Nikon D5600
 
Nikon D5300optical n 3.2 1037 swivel n 1/4000s 5.0 Y n Nikon D5300
 
Nikon D3200optical n 3.0 921 fixed n 1/4000s 4.0 Y n Nikon D3200
 
Nikon D5200optical n 3.0 921 swivel n 1/4000s 5.0 Y n Nikon D5200
 
Nikon D7000optical Y 3.0 921 fixed n 1/8000s 6.0 Y n Nikon D7000
 
Nikon D3100optical n 3.0 230 fixed n 1/4000s 3.0 Y n Nikon D3100
 
Nikon D5000optical n 2.7 230 full-flex n 1/4000s 4.0 Y n Nikon D5000
 
Olympus E-P3optional n 3.0 614 fixed Y 1/4000s 3.0 Y Y Olympus E-P3
 
Olympus E-PL3optional n 3.0 460 tilting n 1/4000s 5.5 n Y Olympus E-PL3
 
Olympus E-PL1optional n 2.7 230 fixed n 1/2000s 3.0 Y Y Olympus E-PL1
 
Olympus E-P2optional n 3.0 230 fixed n 1/4000s 3.0 n Y Olympus E-P2
 
Panasonic G10202 n 3.0 460 fixed n 1/4000s 2.6 Y n Panasonic G10
 
Sony NEX-5Roptional n 3.0 920 tilting Y 1/4000s 10.0 n n Sony NEX-5R
 
Sony NEX-5Noptional n 3.0 920 tilting Y 1/4000s 10.0 n n Sony NEX-5N

One feature that differentiates the E-PL2 and the D5100 is in-body image stabilization (IBIS). The E-PL2 reduces the risk of handshake-induced blur with all attached lenses, while the D5100 has to rely on optical image stabilization in OIS-equipped lenses to achieve the same effect.

The D5100 has an articulated LCD that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in snapping selfies. In contrast, the E-PL2 does not have a selfie-screen.

The Nikon D5100 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 D5100 writes its imaging data to SDXC cards, while the E-PL2 uses SDHC cards. The D5100 supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the E-PL2 cannot take advantage of Ultra High Speed SD 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 D5100 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
Port
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
 
Nikon D5100YmonomonoY-mini2.0---Nikon D5100
 
Olympus E-PL2Ystereonone--mini2.0---Olympus E-PL2
 
Canon T2iYstereononeY-mini2.0---Canon T2i
 
Nikon D5600YstereomonoY-mini2.0YYYNikon D5600
 
Nikon D5300YstereomonoY-mini2.0Y--Nikon D5300
 
Nikon D3200YmonomonoY-mini2.0---Nikon D3200
 
Nikon D5200YstereomonoY-mini2.0---Nikon D5200
 
Nikon D7000YmonomonoY-mini2.0---Nikon D7000
 
Nikon D3100Ymonomono--mini2.0---Nikon D3100
 
Nikon D5000Ymonomono--mini2.0---Nikon D5000
 
Olympus E-P3Ystereonone--mini2.0---Olympus E-P3
 
Olympus E-PL3Ystereonone--mini2.0---Olympus E-PL3
 
Olympus E-PL1Ystereonone--mini2.0---Olympus E-PL1
 
Olympus E-P2Ystereonone--mini2.0---Olympus E-P2
 
Panasonic G10Ymononone--mini2.0---Panasonic G10
 
Sony NEX-5RYstereomono--mini2.0Y--Sony NEX-5R
 
Sony NEX-5NYstereomono--mini2.0---Sony NEX-5N

It is notable that the D5100 has a microphone port, which is missing on the E-PL2. Such an external microphone input can help to substantially improve the quality of audio recordings when a good external microphone is used.

Both the D5100 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 D5100 was followed by the Nikon D5200. 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? Is the Nikon D5100 better than the Olympus E-PL2 or vice versa? Below is a summary of the relative strengths of each of the two contestants.

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Advantages of the Nikon D5100:

  • More detail: Offers more megapixels (16.1 vs 12.2MP) with a 17% higher linear resolution.
  • Better image quality: Scores substantially higher (25 points) in the DXO overall assessment.
  • Richer colors: Generates images with noticeably better colors (2.1 bits more color depth).
  • More dynamic range: Captures a larger spectrum of light and dark details (3.4 EV of extra DR).
  • Better low-light sensitivity: Requires less light for good images (1 stops ISO advantage).
  • Better video: Provides higher definition movie capture (1080/30p vs 720/30p).
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • Easier framing: Has an optical viewfinder for image composition and settings control.
  • More detailed LCD: Has a higher resolution rear screen (921k vs 460k dots).
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster burst: Shoots at higher frequency (4 vs 3 flaps/sec) to capture the decisive moment.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Longer lasting: Can take more shots (660 versus 280) on a single battery charge.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.

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Arguments in favor of the Olympus PEN E-PL2:

  • More compact: Is smaller (114x72mm vs 128x97mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 198g or 35 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.
  • More affordable: Was released into a lower priced segment (20 percent cheaper at launch).

If the count of individual advantages (bullet points above) is taken as a guide, the D5100 is the clear winner of the match-up (15 : 5 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 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.

D5100 15:05 E-PL2

How about other alternatives? Do the specifications of the Nikon D5100 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 D5100 and the E-PL2 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 hands-on reviews by experts are important. The adjacent summary-table relays the overall verdicts of several of the most popular 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
cam
era
  labs  
dp
re
  view  
e
photo
  zine  
ima
ging
resource
photo
graphy
  blog  
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Camera
Model
 
Nikon D5100+ +76/1004.5/55/54.5/5 Apr 2011 749iNikon D5100
 
Olympus E-PL283/10071/1004.5/54.5/54.5/5 Jan 2011 599iOlympus E-PL2
 
Canon T2i+ +77/1004/55/54.5/5 Feb 2010 699iCanon T2i
 
Nikon D5600..79/1004.5/54.5/54/5 Nov 2016 699 iNikon D5600
 
Nikon D5300+ +79/1004.5/54.5/54.5/5 Oct 2013 799iNikon D5300
 
Nikon D3200+ +73/1004.5/54.5/54.5/5 Apr 2012 599iNikon D3200
 
Nikon D5200+ +79/1004.5/54.5/54.5/5 Nov 2012 749iNikon D5200
 
Nikon D7000..80/1004.5/55/54.5/5 Sep 2010 1,499iNikon D7000
 
Nikon D3100+ +72/1004.5/55/54.5/5 Aug 2010 599iNikon D3100
 
Nikon D5000+ +75/1004/55/54.5/5 Apr 2009 749iNikon D5000
 
Olympus E-P383/10074/1004.5/54.5/54.5/5 Jun 2011 799iOlympus E-P3
 
Olympus E-PL3+ +72/1004.5/5..4/5 Jun 2011 599iOlympus E-PL3
 
Olympus E-PL186/10069/1004/54.5/54.5/5 Feb 2010 599iOlympus E-PL1
 
Olympus E-P2+69/1004/54.5/54.5/5 Nov 2009 799iOlympus E-P2
 
Panasonic G10..70/1004/5..4/5 Mar 2010 499iPanasonic G10
 
Sony NEX-5R....4.5/5..4.5/5 Aug 2012 749iSony NEX-5R
 
Sony NEX-5N+ +79/1004.5/55/54.5/5 Aug 2011 699iSony NEX-5N
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 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 D5100:
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 would like to check on the differences and similarities of other camera models, just use the search menu below. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.

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    Specifications: Nikon D5100 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 D5100 Olympus E-PL2
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Nikon F mount lenses Micro Four Thirds lenses
    Launch Date April 2011 January 2011
    Launch Price USD 749 USD 599
    Sensor Specs Nikon D5100 Olympus E-PL2
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor Four Thirds Sensor
    Sensor Size 23.6 x 15.7 mm 17.3 x 13.0 mm
    Sensor Area 370.52 mm2 224.9 mm2
    Sensor Diagonal 28.3 mm 21.6 mm
    Crop Factor 1.5x 2.0x
    Sensor Resolution 16.1 Megapixels 12.2 Megapixels
    Image Resolution 4928 x 3264 pixels 4032 x 3024 pixels
    Pixel Pitch 4.80 μm 4.29 μm
    Pixel Density 4.34 MP/cm2 5.42 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/30p Video 720/30p Video
    ISO Setting 100-6400 ISO 200-6400 ISO
    ISO Boost 100-25600 ISO no Enhancement
    Image Processor EXPEED 2 Truepic V
    DXO Sensor Quality (score) 80 55
    DXO Color Depth (bits) 23.5 21.4
    DXO Dynamic Range (EV) 13.6 10.2
    DXO Low Light (ISO) 1183 573
    Screen Specs Nikon D5100 Olympus E-PL2
    Viewfinder Type Optical viewfinder Viewfinder optional
    Viewfinder Field of View 95%
    Viewfinder Magnification 0.51x
    LCD Framing Live View Live View
    Rear LCD Size 3.0 inch 3.0 inch
    LCD Resolution 921k dots 460k dots
    LCD Attachment Swivel screen Fixed screen
    Shooting Specs Nikon D5100 Olympus E-PL2
    Focus System Phase-detect AF Contrast-detect AF
    Continuous Shooting 4 shutter flaps/s 3 shutter flaps/s
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash Build-in Flash Build-in Flash
    Storage Medium SDXC cards SDHC cards
    Second Storage Option Single card slot Single card slot
    UHS card support UHS-I no
    Connectivity Specs Nikon D5100 Olympus E-PL2
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI mini HDMI
    Microphone Port External MIC port no MIC socket
    Wifi Support no Wifi no Wifi
    Body Specs Nikon D5100 Olympus E-PL2
    Battery Type EN-EL14 BLS-5
    Battery Life (CIPA)660 shots per charge280 shots per charge
    Body Dimensions 128 x 97 x 79 mm
    (5.0 x 3.8 x 3.1 in)
    114 x 72 x 42 mm
    (4.5 x 2.8 x 1.7 in)
    Camera Weight 560 g (19.8 oz) 362 g (12.8 oz)

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