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Olympus E-M5 vs Sony A58

The Olympus OM-D E-M5 and the Sony Alpha SLT-A58 are two digital cameras that were officially introduced, respectively, in February 2012 and February 2013. The E-M5 is a mirrorless interchangeable lens camera, while the A58 is a DSLR. The cameras are based on a Four Thirds (E-M5) and an APS-C (A58) sensor. The Olympus has a resolution of 15.9 megapixels, whereas the Sony provides 19.8 MP.

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

Headline Specifications
Olympus E-M5 VS Sony A58
Olympus E-M5 Sony A58
Mirrorless system camera Digital single lens reflex
Micro Four Thirds lenses Sony A mount lenses
15.9 MP, Four Thirds Sensor 19.8 MP, APS-C Sensor
1080/60i Video 1080/60i Video
ISO 200-25600 ISO 100-16000 (100-25600)
Electronic viewfinder (1440k dots) Electronic viewfinder (1440k dots)
3.0" LCD, 610k dots 2.7" LCD, 460k dots
Tilting touchscreen Tilting screen (not touch-sensitive)
9 shutter flaps per second 5 shutter flaps per second
In-body stabilizationIn-body stabilization
Weathersealed bodyNot weather sealed
360 shots per battery charge690 shots per battery charge
122 x 89 x 43 mm, 425 g 129 x 95 x 78 mm, 492 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Olympus OM-D E-M5 and the Sony Alpha SLT-A58? 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 Olympus E-M5 and the Sony A58 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-M5 can be obtained in two different colors (black, silver), while the A58 is only available in black.

Size Olympus E-M5 vs Sony A58
Compare E-M5 versus A58 top
Comparison E-M5 or A58 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A58 is notably larger (13 percent) than the Olympus E-M5. Moreover, the A58 is markedly heavier (16 percent) than the E-M5. It is worth mentioning in this context that the E-M5 is splash and dust resistant, while the A58 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. Hence, you might want to study and compare the specifications of available lenses in order to get the full picture of the size and weight of the two camera systems.

Concerning battery life, the E-M5 gets 360 shots out of its BLN-1 battery, while the A58 can take 690 images on a single charge of its NP-FM500H 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
 
Olympus E-M5» 122 mm 89 mm 43 mm 425 g 360 Y Feb 2012 1,299iOlympus E-M5
 
Sony A58« 129 mm 95 mm 78 mm 492 g 690 n Feb 2013 599iSony A58
 
Nikon D3300« » 124 mm 98 mm 76 mm 430 g 700 n Jan 2014 499iNikon D3300
 
Olympus PEN-F« » 125 mm 72 mm 37 mm 427 g 330 n Jan 2016 1,199 iOlympus PEN-F
 
Olympus E-M5 II« » 124 mm 85 mm 45 mm 469 g 310 Y Feb 2015 1,099iOlympus E-M5 II
 
Olympus E-M10 II« » 120 mm 83 mm 47 mm 390 g 320 n Aug 2015 649iOlympus E-M10 II
 
Olympus E-M10« » 119 mm 82 mm 46 mm 396 g 320 n Jan 2014 699iOlympus E-M10
 
Olympus E-PL7« » 115 mm 67 mm 38 mm 357 g 350 n Aug 2014 599iOlympus E-PL7
 
Olympus E-M1« » 130 mm 94 mm 63 mm 497 g 350 Y Sep 2013 1,399iOlympus E-M1
 
Olympus E-P5« » 122 mm 69 mm 37 mm 420 g 330 n May 2013 999iOlympus E-P5
 
Panasonic G80« » 128 mm 89 mm 74 mm 505 g 330 Y Sep 2016 899iPanasonic G80
 
Panasonic GX8« » 133 mm 78 mm 63 mm 487 g 330 Y Jul 2015 1,199iPanasonic GX8
 
Panasonic GX7« » 123 mm 71 mm 55 mm 402 g 350 n Aug 2013 999iPanasonic GX7
 
Sony A68« » 143 mm 104 mm 81 mm 610 g 540 n Nov 2015 699iSony A68
 
Sony A7 II« » 127 mm 96 mm 60 mm 599 g 350 Y Nov 2014 1,999iSony A7 II
 
Sony A6000« » 120 mm 67 mm 45 mm 344 g 360 n Feb 2014 599iSony A6000
 
Sony RX100« » 102 mm 58 mm 36 mm 240 g 330 n Jun 2012 649iSony RX100
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 manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The A58 was launched at a markedly lower price (by 54 percent) than the E-M5, which puts it into a different market segment. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. 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 size of the sensor inside a digital camera is one of the key determinants of image quality. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixels in a sensor of the same technological generation. Furthermore, a large sensor camera will give the photographer more possibilities to use shallow depth-of-field in order to isolate a subject from the background. On the downside, larger sensors tend to be associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Olympus E-M5 features a Four Thirds sensor and the Sony A58 an APS-C sensor. The sensor area in the A58 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-M5 has a native 4:3 aspect ratio, while the one in the A58 offers a 3:2 aspect.

Olympus E-M5 and Sony A58 sensor measures

With 19.8MP, the A58 offers a higher resolution than the E-M5 (15.9MP), but the A58 nevertheless has larger individual pixels (pixel pitch of 4.31μm versus 3.76μm for the E-M5) due to its larger sensor. Moreover, the A58 is a somewhat more recent model (by 1 year) than the E-M5, and its sensor might have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units.

The resolution advantage of the Sony A58 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A58 for good quality output (200 dots per inch) amounts to 27.3 x 18.2 inch or 69.3 x 46.1 cm, for very good quality (250 dpi) 21.8 x 14.5 inch or 55.4 x 36.9 cm, and for excellent quality (300 dpi) 18.2 x 12.1 inch or 46.2 x 30.8 cm. The corresponding values for the Olympus E-M5 are 23 x 17.3 inch or 58.5 x 43.9 cm for good quality, 18.4 x 13.8 inch or 46.8 x 35.1 cm for very good quality, and 15.4 x 11.5 inch or 39 x 29.3 cm for excellent quality prints.

The Olympus OM-D E-M5 has a native sensitivity range from ISO 200 to ISO 25600. The corresponding ISO settings for the Sony Alpha SLT-A58 are ISO 100 to ISO 16000, with the possibility to increase the ISO range to 100-25600.

E-M5 versus A58 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"). The Overall DXO ratings for the two cameras under consideration are close, suggesting that they provide similar imaging performance. 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
 
Olympus E-M5 Four Thirds 15.9 4608 34561080/60i22.812.382671Olympus E-M5
 
Sony A58 APS-C 19.8 5456 36321080/60i23.312.575374Sony A58
 
Nikon D3300 APS-C 24.0 6000 40001080/60p24.312.8138582Nikon D3300
 
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-M10 II Four Thirds 15.9 4608 34561080/60p23.112.584273Olympus E-M10 II
 
Olympus E-M10 Four Thirds 15.9 4608 34561080/30p22.812.388472Olympus E-M10
 
Olympus E-PL7 Four Thirds 15.9 4608 34561080/30p22.712.487372Olympus E-PL7
 
Olympus E-M1 Four Thirds 15.9 4608 34561080/30p23.012.775773Olympus E-M1
 
Olympus E-P5 Four Thirds 15.9 4608 34561080/30p22.812.489572Olympus E-P5
 
Panasonic G80 Four Thirds 15.8 4592 34484K/30p22.812.565671Panasonic G80
 
Panasonic GX8 Four Thirds 20.2 5184 38884K/30p23.512.680675Panasonic GX8
 
Panasonic GX7 Four Thirds 15.8 4592 34481080/60p22.612.271870Panasonic GX7
 
Sony A68 APS-C 24.0 6000 40001080/60i24.113.570179Sony A68
 
Sony A7 II Full Frame 24.0 6000 40001080/60p24.913.6244990Sony A7 II
 
Sony A6000 APS-C 24.0 6000 40001080/60p24.113.1134782Sony A6000
 
Sony RX100 1-inch 20.0 5472 36481080/60p22.612.439066Sony RX100

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, and both provide the same movie specifications (1080/60i).

 

Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. The E-M5 and the A58 are similar in the sense that both feature an electronic viewfinder, which is helpful when framing images in bright sunlight. Moreover, their viewfinders offer an identical resolution of 1440k dots. The adjacent table lists some of the other core features of the Olympus E-M5 and Sony A58 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
 
Olympus E-M51440 n 3.0 610 tilting Y 1/4000s 9.0 n Y Olympus E-M5
 
Sony A581440 n 2.7 460 tilting n 1/4000s 5.0 Y Y Sony A58
 
Nikon D3300optical n 3.0 921 fixed n 1/4000s 5.0 Y n Nikon D3300
 
Olympus PEN-F2360 n 3.0 1037 swivel Y 1/8000s 10.0 n Y Olympus PEN-F
 
Olympus E-M5 II2360 n 3.0 1037 swivel Y 1/8000s 10.0 n Y Olympus E-M5 II
 
Olympus E-M10 II2360 n 3.0 1040 tilting Y 1/4000s 8.0 Y Y Olympus E-M10 II
 
Olympus E-M101440 n 3.0 1037 tilting Y 1/4000s 8.0 Y Y Olympus E-M10
 
Olympus E-PL7optional n 3.0 1037 tilting Y 1/4000s 8.0 n Y Olympus E-PL7
 
Olympus E-M12360 n 3.0 1037 tilting Y 1/8000s 10.0 n Y Olympus E-M1
 
Olympus E-P5optional n 3.0 1037 tilting Y 1/8000s 9.0 Y Y Olympus E-P5
 
Panasonic G802360 n 3.0 1040 swivel Y 1/4000s 9.0 Y Y Panasonic G80
 
Panasonic GX82360 n 3.0 1040 swivel Y 1/8000s 10.0 n Y Panasonic GX8
 
Panasonic GX72760 n 3.0 1040 tilting Y 1/8000s 5.0 Y Y Panasonic GX7
 
Sony A681440 Y 2.7 460 tilting n 1/4000s 8.0 Y Y Sony A68
 
Sony A7 II2400 n 3.0 1230 tilting n 1/8000s 5.0 n Y Sony A7 II
 
Sony A60001440 n 3.0 922 tilting n 1/4000s 11.0 Y n Sony A6000
 
Sony RX100none n 3.0 1229 fixed n 1/2000s 10.0 Y Y Sony RX100

One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The E-M5 has a touchscreen, while the A58 has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

The E-M5 writes its imaging data to SDXC cards, while the A58 uses SDXC or Memory Stick PRO Duo cards. The E-M5 supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the A58 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 OM-D E-M5 and Sony Alpha SLT-A58 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
 
Olympus E-M5Ystereomono--mini2.0---Olympus E-M5
 
Sony A58YstereomonoY-mini2.0---Sony A58
 
Nikon D3300YmonomonoY-mini2.0---Nikon D3300
 
Olympus PEN-FYstereomono--micro2.0Y--Olympus PEN-F
 
Olympus E-M5 IIYstereomonoY-micro2.0Y--Olympus E-M5 II
 
Olympus E-M10 IIYstereomono--micro2.0Y--Olympus E-M10 II
 
Olympus E-M10Ystereomono--micro2.0Y--Olympus E-M10
 
Olympus E-PL7Ystereomono--micro2.0Y--Olympus E-PL7
 
Olympus E-M1YstereomonoY-micro2.0Y--Olympus E-M1
 
Olympus E-P5Ystereomono--micro2.0Y--Olympus E-P5
 
Panasonic G80YstereomonoY-micro2.0Y--Panasonic G80
 
Panasonic GX8YstereomonoY-micro2.0YY-Panasonic GX8
 
Panasonic GX7Ystereomono--mini2.0YY-Panasonic GX7
 
Sony A68YstereomonoY-micro2.0---Sony A68
 
Sony A7 IIYstereomonoYYmicro2.0YY-Sony A7 II
 
Sony A6000Ystereomono--micro2.0YY-Sony A6000
 
Sony RX100-stereomono--micro2.0---Sony RX100

It is notable that the A58 has a microphone port, which can help to improve the quality of audio recordings by attaching an external microphone. The E-M5 does not feature such a mic input.

Both the E-M5 and the A58 have been discontinued, but can regularly be found used on eBay. The E-M5 was replaced by the Olympus E-M5 II, while the A58 was followed by the Sony A68. 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 the Olympus E-M5 better than the Sony A58 or vice versa? The listing below highlights the relative strengths of the two models.

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Arguments in favor of the Olympus OM-D E-M5:

  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.58x vs 0.57x).
  • Larger screen: Has a bigger rear LCD (3.0" vs 2.7") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (610k vs 460k dots).
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • Faster burst: Shoots at higher frequency (9 vs 5 flaps/sec) to capture the decisive moment.
  • More compact: Is smaller (122x89mm vs 129x95mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 67g or 14 percent) and hence easier to carry around.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • More legacy lens friendly: Can take a broad range of non-native lenses via adapters.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
  • More heavily discounted: Has been on the market for longer (launched in February 2012).

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Advantages of the Sony Alpha SLT-A58:

  • More detail: Has more megapixels (19.8 vs 15.9MP), which boosts linear resolution by 14%.
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • Longer lasting: Gets more shots (690 versus 360) out of a single battery charge.
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • More affordable: Was introduced into a lower priced category (54 percent cheaper at launch).
  • More modern: Was introduced somewhat (1 year) more recently.

If the count of relative strengths (bullet points above) is taken as a measure, the E-M5 is the clear winner of the match-up (11 : 6 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-M5 11:06 A58

How about other alternatives? Do the specifications of the Olympus E-M5 and the Sony A58 place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera and Best DSLR 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 remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the E-M5 or the A58. 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
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
 
Olympus E-M5+ +80/1004.5/55/55/5 Feb 2012 1,299iOlympus E-M5
 
Sony A58....4.5/54.5/54.5/5 Feb 2013 599iSony A58
 
Nikon D3300+77/1004.5/54.5/54.5/5 Jan 2014 499iNikon D3300
 
Olympus PEN-F..82/1004.5/54.5/55/5 Jan 2016 1,199 iOlympus PEN-F
 
Olympus E-M5 II+ +81/1005/54.5/55/5 Feb 2015 1,099iOlympus E-M5 II
 
Olympus E-M10 II+ +80/1005/55/55/5 Aug 2015 649iOlympus E-M10 II
 
Olympus E-M10..80/1005/54.5/55/5 Jan 2014 699iOlympus E-M10
 
Olympus E-PL7+..5/54.5/54/5 Aug 2014 599iOlympus E-PL7
 
Olympus E-M1+ +84/1004.5/54.5/54.5/5 Sep 2013 1,399iOlympus E-M1
 
Olympus E-P5+ +78/1004.5/54.5/55/5 May 2013 999iOlympus E-P5
 
Panasonic G80+ +84/1005/54.5/54.5/5 Sep 2016 899iPanasonic G80
 
Panasonic GX8+82/1004.5/55/54.5/5 Jul 2015 1,199iPanasonic GX8
 
Panasonic GX7+79/1005/54.5/55/5 Aug 2013 999iPanasonic GX7
 
Sony A68....4/5..4/5 Nov 2015 699iSony A68
 
Sony A7 II+82/1004.5/55/55/5 Nov 2014 1,999iSony A7 II
 
Sony A6000+80/1004.5/55/55/5 Feb 2014 599iSony A6000
 
Sony RX100+ +78/1004/55/55/5 Jun 2012 649iSony RX100
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

Care should be taken when interpreting the review scores above, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. 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. Also, please note that some of the review sites have changed their methodology and reporting over time.

Olympus E-M5:
Check Ebay offers
Sony A58:
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: Olympus E-M5 vs Sony A58

    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-M5 Sony A58
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Micro Four Thirds lenses Sony A mount lenses
    Launch Date February 2012 February 2013
    Launch Price USD 1299 USD 599
    Sensor Specs Olympus E-M5 Sony A58
    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 15.9 Megapixels 19.8 Megapixels
    Image Resolution 4608 x 3456 pixels 5456 x 3632 pixels
    Pixel Pitch 3.76 μm 4.31 μm
    Pixel Density 7.08 MP/cm2 5.41 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/60i Video 1080/60i Video
    ISO Setting 200-25600 ISO 100-16000 ISO
    ISO Boost no Enhancement 100-25600 ISO
    Image Processor TruePic VI BIONZ
    DXO Sensor Quality (score) 71 74
    DXO Color Depth (bits) 22.8 23.3
    DXO Dynamic Range (EV) 12.3 12.5
    DXO Low Light (ISO) 826 753
    Screen Specs Olympus E-M5 Sony A58
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.58x 0.57x
    Viewfinder Resolution 1440k dots 1440k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0 inch 2.7 inch
    LCD Resolution 610k dots 460k dots
    LCD Attachment Tilting screen Tilting screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Olympus E-M5 Sony A58
    Focus System Contrast-detect AF Phase-detect AF
    Manual Focusing AidNo Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/4000/s 1/4000/s
    Continuous Shooting 9 shutter flaps/s 5 shutter flaps/s
    Shutter Life Expectancy100 000 actuations100 000 actuations
    Image StabilizationIn-body stabilizationIn-body stabilization
    Fill Flash no On-Board Flash Build-in Flash
    Storage Medium SDXC cards MS or SDXC cards
    Second Storage Option Single card slot Single card slot
    UHS card support UHS-I no
    Connectivity Specs Olympus E-M5 Sony A58
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI mini HDMI
    Microphone Port no MIC socket External MIC port
    Wifi Support no Wifi no Wifi
    Body Specs Olympus E-M5 Sony A58
    Environmental SealingWeathersealed bodyNot weather sealed
    Battery Type BLN-1 NP-FM500H
    Battery Life (CIPA)360 shots per charge690 shots per charge
    Body Dimensions 122 x 89 x 43 mm
    (4.8 x 3.5 x 1.7 in)
    129 x 95 x 78 mm
    (5.1 x 3.7 x 3.1 in)
    Camera Weight 425 g (15.0 oz) 492 g (17.4 oz)

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