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Olympus E-P2 vs Sony A5100

The Olympus PEN E-P2 and the Sony Alpha A5100 are two digital cameras that were announced, respectively, in November 2009 and August 2014. Both the E-P2 and the A5100 are mirrorless interchangeable lens cameras that are based on a Four Thirds (E-P2) and an APS-C (A5100) sensor. The Olympus has a resolution of 12.2 megapixels, whereas the Sony provides 24 MP.

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

Headline Specifications
Olympus E-P2 versus Sony A5100
Olympus E-P2 Sony A5100
Mirrorless system camera Mirrorless system camera
Micro Four Thirds lenses Sony E mount lenses
12.2 MP, Four Thirds Sensor 24 MP, APS-C Sensor
720/30p Video 1080/60p Video
ISO 100-6,400 ISO 100-25,600
Viewfinder optional No viewfinder, LCD framing
3.0 LCD, 230k dots 3.0 LCD, 922k dots
Fixed screen (not touch-sensitive) Tilting touchscreen
3 shutter flaps per second 6 shutter flaps per second
In-body stabilizationLens stabilization only
300 shots per battery charge400 shots per battery charge
121 x 70 x 36 mm, 355 g 110 x 63 x 36 mm, 283 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Olympus PEN E-P2 and the Sony Alpha A5100? 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 Olympus E-P2 and the Sony A5100 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-P2 can be obtained in three different colors (black, silver, white), while the A5100 is available in two color-versions (black, white).

Size Olympus E-P2 vs Sony A5100
Compare E-P2 versus A5100 top
Comparison E-P2 or A5100 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A5100 is notably smaller (18 percent) than the Olympus E-P2. Moreover, the A5100 is markedly lighter (20 percent) than the E-P2. In this context, it is worth noting that neither the E-P2 nor the A5100 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 Micro Four Thirds Lens Catalog (E-P2) and the Sony E-Mount Lens Catalog (A5100). Mirrorless cameras, such as the two under consideration, have the additional advantage of having a short flange to focal plane distance, which makes it possible to mount many lenses from other systems onto the camera via adapters.

Concerning battery life, the E-P2 gets 300 shots out of its BLS-1 battery, while the A5100 can take 400 images on a single charge of its NP-FW50 power pack. The power pack in the A5100 can be charged via the USB port, which can be very convenient when travelling.

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.

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Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life 1
Weather
Sealing
Camera
Launch 2
Launch
Price (USD)
Street
Price
 
Olympus E-P2 4.8 in 2.8 in 1.4 in 12.5 oz 300 n Nov 2009 799i
 
Sony A5100 4.3 in 2.5 in 1.4 in 10.0 oz 400 n Aug 2014 549 i
 
Olympus E-P3 4.8 in 2.7 in 1.3 in 13.0 oz 330 n Jun 2011 799i
 
Olympus E-PL2 4.5 in 2.8 in 1.7 in 12.8 oz 280 n Jan 2011 599i
 
Olympus E-PL3 4.3 in 2.5 in 1.5 in 11.0 oz 300 n Jun 2011 599i
 
Olympus E-PL1 4.5 in 2.8 in 1.7 in 11.8 oz 290 n Feb 2010 599i
 
Olympus E-620 5.1 in 3.7 in 2.4 in 18.4 oz 500 n Feb 2009 699i
 
Olympus E-P1 4.8 in 2.8 in 1.4 in 12.5 oz 300 n Jun 2009 799i
 
Olympus E-520 5.4 in 3.6 in 2.7 in 18.9 oz 750 n May 2008 699i
 
Panasonic G10 4.9 in 3.3 in 2.9 in 13.7 oz 380 n Mar 2010 499i
 
Panasonic GF1 4.7 in 2.8 in 1.4 in 13.6 oz 380 n Sep 2009 749i
 
Panasonic GH1 4.9 in 3.5 in 1.8 in 13.6 oz 300 n Mar 2009 899i
 
Sony A5000 4.3 in 2.5 in 1.4 in 9.5 oz 420 n Jan 2014 449i
 
Sony A6000 4.7 in 2.6 in 1.8 in 12.1 oz 360 n Feb 2014 599i
 
Sony A3000 5.0 in 3.6 in 3.3 in 14.5 oz 470 n Aug 2013 329i
 
Sony NEX-3N 4.3 in 2.4 in 1.4 in 9.5 oz 480 n Feb 2013 499i
 
Sony NEX-3 4.6 in 2.4 in 1.3 in 10.5 oz 330 n May 2010 599i
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
(1) Number of images that can be taken on a full battery charge according to the CIPA-standard; (2) Official announcement.

The price is, of course, an important factor in any camera decision. The manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The A5100 was launched at a markedly lower price (by 31 percent) than the E-P2, 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. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its background. On the downside, larger sensors tend to be more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Olympus E-P2 features a Four Thirds sensor and the Sony A5100 an APS-C sensor. The sensor area in the A5100 is 63 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.0 and 1.5. The sensor in the E-P2 has a native 4:3 aspect ratio, while the one in the A5100 offers a 3:2 aspect.

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

Olympus E-P2 and Sony A5100 sensor measures

With 24MP, the A5100 offers a higher resolution than the E-P2 (12.2MP), but the A5100 has smaller individual pixels (pixel pitch of 3.91μm versus 4.29μm for the E-P2). Yet, the A5100 is a much more recent model (by 4 years and 9 months) than the E-P2, and its sensor will have benefitted from technological advances during this time that enhance the light gathering capacity of its pixel-units.

The resolution advantage of the Sony A5100 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A5100 for good quality output (200 dots per inch) amounts to 30 x 20 inches or 76.2 x 50.8 cm, for very good quality (250 dpi) 24 x 16 inches or 61 x 40.6 cm, and for excellent quality (300 dpi) 20 x 13.3 inches or 50.8 x 33.9 cm. The corresponding values for the Olympus E-P2 are 20.2 x 15.1 inches or 51.2 x 38.4 cm for good quality, 16.1 x 12.1 inches or 41 x 30.7 cm for very good quality, and 13.4 x 10.1 inches or 34.1 x 25.6 cm for excellent quality prints.

The A5100 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Olympus PEN E-P2 has a native sensitivity range from ISO 100 to ISO 6400. The corresponding ISO settings for the Sony Alpha A5100 are ISO 100 to ISO 25600 (no boost).

E-P2 versus A5100 MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). Of the two cameras under consideration, the A5100 offers substantially better image quality than the E-P2 (overall score 24 points higher). The advantage is based on 2.3 bits higher color depth, 2.3 EV in additional dynamic range, and 1.4 stops in additional low light sensitivity. The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

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Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
 
Olympus E-P2 Four Thirds 12.2 4032 3024720/30p21.510.450556
 
Sony A5100 APS-C 24.0 6000 40001080/60p23.812.7134780
 
Olympus E-P3 Four Thirds 12.2 4032 30241080/60i20.810.153651
 
Olympus E-PL2 Four Thirds 12.2 4032 3024720/30p21.410.257355
 
Olympus E-PL3 Four Thirds 12.2 4032 30241080/60i20.910.349952
 
Olympus E-PL1 Four Thirds 12.2 4032 3024720/30p21.510.148754
 
Olympus E-620 Four Thirds 12.2 4032 3024none21.310.353655
 
Olympus E-P1 Four Thirds 12.2 4032 3024720/30p21.410.453655
 
Olympus E-520 Four Thirds 10.0 3648 2736none21.410.454855
 
Panasonic G10 Four Thirds 12.0 4000 3000720/30p21.210.141152
 
Panasonic GF1 Four Thirds 12.0 4000 3000720/30p21.210.351354
 
Panasonic GH1 Four Thirds 12.0 4000 30001080/24p21.611.677264
 
Sony A5000 APS-C 19.8 5456 36321080/60i23.813.0108979
 
Sony A6000 APS-C 24.0 6000 40001080/60p24.113.1134782
 
Sony A3000 APS-C 19.8 5456 36321080/60i23.712.8106878
 
Sony NEX-3N APS-C 16.0 4912 32641080/60i22.812.5106774
 
Sony NEX-3 APS-C 14.0 4592 3056720/30p22.112.083068

Many modern cameras cannot only take still pictures, but also record videos. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the A5100 provides a better video resolution than the E-P2. It can shoot movie footage at 1080/60p, while the Olympus is limited to 720/30p.

Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. The E-P2 and the A5100 are similar in the sense that neither of the two has a viewfinder. The images are, thus, framed using live view on the rear LCD. That said, the E-P2 can be equipped with an optional viewfinder – the VF-2. The following table reports on some other key feature differences and similarities of the Olympus E-P2, the Sony A5100, and comparable cameras.

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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
 
Olympus E-P2optional n 3.0 230 fixed n 1/4000s 3.0 n Y
 
Sony A5100none n 3.0 922 tilting Y 1/4000s 6.0 Y n
 
Olympus E-P3optional n 3.0 614 fixed Y 1/4000s 3.0 Y Y
 
Olympus E-PL2optional n 3.0 460 fixed n 1/4000s 3.0 Y Y
 
Olympus E-PL3optional n 3.0 460 tilting n 1/4000s 5.5 n Y
 
Olympus E-PL1optional n 2.7 230 fixed n 1/2000s 3.0 Y Y
 
Olympus E-620optical n 2.7 230 swivel n 1/4000s 4.0 Y Y
 
Olympus E-P1none n 3.0 230 fixed n 1/4000s 3.0 n Y
 
Olympus E-520optical n 2.7 215 fixed n 1/4000s 3.5 Y Y
 
Panasonic G10202 n 3.0 460 fixed n 1/4000s 2.6 Y n
 
Panasonic GF1optional n 3.0 460 fixed n 1/4000s 3.0 Y n
 
Panasonic GH11440 n 3.0 460 swivel n 1/4000s 3.0 Y n
 
Sony A5000none n 3.0 461 tilting n 1/4000s 3.5 Y n
 
Sony A60001440 n 3.0 922 tilting n 1/4000s 11.0 Y n
 
Sony A3000202 n 3.0 230 fixed n 1/4000s 2.5 Y n
 
Sony NEX-3Noptional n 3.0 460 tilting n 1/4000s 4.0 Y n
 
Sony NEX-3optional n 3.0 920 tilting n 1/4000s 7.0 n n

One feature that differentiates the E-P2 and the A5100 is in-body image stabilization (IBIS). The E-P2 reduces the risk of handshake-induced blur with all attached lenses, while the A5100 offers no blur reduction with lenses that themselves do not provide optical image stabilization.

The A5100 has an articulated screen that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in taking selfies. In contrast, the E-P2 does not have a selfie-screen.

The E-P2 writes its imaging data to SDHC cards, while the A5100 uses SDXC or Memory Stick PRO Duo cards. The A5100 supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the E-P2 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 Olympus PEN E-P2 and Sony Alpha A5100 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
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
 
Olympus E-P2Ystereo---mini2.0---
 
Sony A5100-stereomono--micro2.0YY-
 
Olympus E-P3Ystereo---mini2.0---
 
Olympus E-PL2Ystereo---mini2.0---
 
Olympus E-PL3Ystereo---mini2.0---
 
Olympus E-PL1Ystereo---mini2.0---
 
Olympus E-620Y-----2.0---
 
Olympus E-P1Ystereo---mini2.0---
 
Olympus E-520Y-----2.0---
 
Panasonic G10Ymono---mini2.0---
 
Panasonic GF1Ymonomono--mini2.0---
 
Panasonic GH1Ystereo-Y-mini2.0---
 
Sony A5000-stereomono--micro2.0YY-
 
Sony A6000Ystereomono--micro2.0YY-
 
Sony A3000Ystereomono--mini2.0---
 
Sony NEX-3N-stereomono--micro2.0---
 
Sony NEX-3Ystereomono--mini2.0---

It is notable that the E-P2 has a hotshoe, while the A5100 does not. This socket makes it possible to easily attach optional accessories, such as an external flash gun.

The A5100 is a recent model that features in the current product line-up of Sony. In contrast, the E-P2 has been discontinued (but can be found pre-owned on eBay). As a replacement in the same line of cameras, the E-P2 was succeeded by the Olympus E-P3. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Olympus and Sony websites.

Review summary

So what conclusions can be drawn? Is there a clear favorite between the Olympus E-P2 and the Sony A5100? Which camera is better? Below is a summary of the relative strengths of each of the two contestants.

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Reasons to prefer the Olympus PEN E-P2:

  • More framing options: Can be equipped with a hotshoe-mounted accessory-viewfinder.
  • Sharper images: Has hand-shake reducing image stabilization built-in.
  • Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
  • More heavily discounted: Has been available for much longer (launched in November 2009).

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Arguments in favor of the Sony Alpha A5100:

  • More detail: Has more megapixels (24 vs 12.2MP), which boosts linear resolution by 43%.
  • Better image quality: Scores substantially higher (24 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (2.3 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (2.3 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (1.4 stops ISO advantage).
  • Better video: Provides higher definition movie capture (1080/60p vs 720/30p).
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • More detailed LCD: Has a higher resolution rear screen (922k 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.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster burst: Shoots at higher frequency (6 vs 3 flaps/sec) to capture the decisive moment.
  • More compact: Is smaller (110x63mm vs 121x70mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 72g or 20 percent) and is thus easier to take along.
  • Longer lasting: Gets more shots (400 versus 300) out of a single battery charge.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • 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.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
  • More affordable: Was introduced into a lower priced category (31 percent cheaper at launch).
  • More modern: Reflects 4 years and 9 months of technical progress since the E-P2 launch.

If the count of relative strengths (bullet points above) is taken as a measure, the A5100 is the clear winner of the contest (21 : 4 points). However, the pertinence of the various camera strengths will differ across photographers, so that you might want to weigh individual camera traits according to their importance for your own imaging needs before making a camera decision. A professional 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.

E-P2 04:21 A5100

How about other alternatives? Do the specifications of the Olympus E-P2 and the Sony A5100 place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera listing 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 incomplete and does no justice, for example, to the way the E-P2 or the A5100 perform in practice. 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.

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Review Scores
  Camera
Model
camera
  labs  
dp
review  
ephoto
  zine  
imaging
resource
photography
  blog  
Camera
Launch
Launch
Price (USD)
Street
Price
 
Olympus E-P2+69/1004/54.5/54.5/5 Nov 2009 799i
 
Sony A5100+..4.5/54.5/55/5 Aug 2014 549 i
 
Olympus E-P383/10074/1004.5/54.5/54.5/5 Jun 2011 799i
 
Olympus E-PL283/10071/1004.5/54.5/54.5/5 Jan 2011 599i
 
Olympus E-PL3+ +72/1004.5/5..4/5 Jun 2011 599i
 
Olympus E-PL186/10069/1004/54.5/54.5/5 Feb 2010 599i
 
Olympus E-62088/10072/1004.5/5o5/5 Feb 2009 699i
 
Olympus E-P1+66/1004/54/54.5/5 Jun 2009 799i
 
Olympus E-52087/100+ +4.5/54/54.5/5 May 2008 699i
 
Panasonic G10..70/1004/5..4/5 Mar 2010 499i
 
Panasonic GF185/10069/1004.5/54.5/54.5/5 Sep 2009 749i
 
Panasonic GH1+ +72/1004.5/55/54.5/5 Mar 2009 899i
 
Sony A5000+..4.5/5o4.5/5 Jan 2014 449i
 
Sony A6000+80/1004.5/55/55/5 Feb 2014 599i
 
Sony A3000+..4/54.5/54/5 Aug 2013 329i
 
Sony NEX-3N....4.5/54/54.5/5 Feb 2013 499i
 
Sony NEX-3..70/1004.5/55/54/5 May 2010 599i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The review scores listed above should be treated with care, though. The assessments were made in relation to similar cameras of the same technological generation. Hence, a score should always be seen in the context of the camera's market launch date and its price, and comparisons of ratings among very different cameras or across long time periods have little meaning. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

Olympus E-P2:
Check Ebay offers
Sony A5100:
Check Amazon price

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. 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: Olympus E-P2 vs Sony A5100

    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 Olympus E-P2 Sony A5100
    Camera Type Mirrorless system camera Mirrorless system camera
    Camera Lens Micro Four Thirds lenses Sony E mount lenses
    Launch Date November 2009 August 2014
    Launch Price USD 799 USD 549
    Sensor Specs Olympus E-P2 Sony A5100
    Sensor Technology CMOS CMOS
    Sensor Format Four Thirds Sensor APS-C Sensor
    Sensor Size 17.3 x 13.0 mm 23.5 x 15.6 mm
    Sensor Area 224.9 mm2 366.6 mm2
    Sensor Diagonal 21.6 mm 28.2 mm
    Crop Factor 2.0x 1.5x
    Sensor Resolution 12.2 Megapixels 24 Megapixels
    Image Resolution 4032 x 3024 pixels 6000 x 4000 pixels
    Pixel Pitch 4.29 μm 3.91 μm
    Pixel Density 5.42 MP/cm2 6.55 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 720/30p Video 1080/60p Video
    ISO Setting 100 - 6,400 ISO 100 - 25,600 ISO
    Image Processor TruePic V BIONZ X
    DXO Sensor Quality (score) 56 80
    DXO Color Depth (bits) 21.5 23.8
    DXO Dynamic Range (EV) 10.4 12.7
    DXO Low Light (ISO) 505 1347
    Screen Specs Olympus E-P2 Sony A5100
    Viewfinder Type Viewfinder optional no viewfinder
    Viewfinder Magnification
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 230k dots 922k dots
    LCD Attachment Fixed screen Tilting screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Olympus E-P2 Sony A5100
    Focus System Contrast-detect AF On-Sensor Phase-detect
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/4000s
    Continuous Shooting 3 shutter flaps/s 6 shutter flaps/s
    Image StabilizationIn-body stabilizationLens stabilization only
    Fill Flash no On-Board Flash Build-in Flash
    Storage Medium SDHC cards MS or SDXC cards
    Second Storage Option Single card slot Single card slot
    UHS card support no UHS-I
    Connectivity Specs Olympus E-P2 Sony A5100
    External Flash Hotshoe no Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI micro HDMI
    Wifi Support no Wifi Wifi built-in
    Near-Field Communication no NFC NFC built-in
    Body Specs Olympus E-P2 Sony A5100
    Battery Type BLS-1 NP-FW50
    Battery Life (CIPA)300 shots per charge400 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 121 x 70 x 36 mm
    (4.8 x 2.8 x 1.4 in)
    110 x 63 x 36 mm
    (4.3 x 2.5 x 1.4 in)
    Camera Weight 355 g (12.5 oz) 283 g (10.0 oz)

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