Olympus E-M10 II vs Sony A58
The Olympus OM-D E-M10 Mark II and the Sony Alpha SLT-A58 are two digital cameras that were officially introduced, respectively, in August 2015 and February 2013. The E-M10 II is a mirrorless interchangeable lens camera, while the A58 is a DSLR. The cameras are based on a Four Thirds (E-M10 II) 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.
|Olympus E-M10 II||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|
|1080/60p Video||1080/60i Video|
|ISO 200-25600||ISO 100-16000 (100-25600)|
|Electronic viewfinder (2360k dots)||Electronic viewfinder (1440k dots)|
|3.0" LCD, 1040k dots||2.7" LCD, 460k dots|
|Tilting touchscreen||Tilting screen (not touch-sensitive)|
|8 shutter flaps per second||5 shutter flaps per second|
|In-body stabilization||In-body stabilization|
|320 shots per battery charge||690 shots per battery charge|
|120 x 83 x 47 mm, 390 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-M10 Mark II 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.
An illustration of the physical size and weight of the Olympus E-M10 II 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-M10 II can be obtained in three different colors (black, silver, brown), while the A58 is only available in black.
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 (23 percent) than the Olympus E-M10 II. Moreover, the A58 is markedly heavier (26 percent) than the E-M10 II. In this context, it is worth noting that neither the E-M10 II nor the A58 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. 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.
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.
|Olympus E-M10 II»||4.7 in||3.3 in||1.9 in||13.8 oz||320||n||Aug 2015||649||-||Olympus E-M10 II|
|Sony A58«||5.1 in||3.7 in||3.1 in||17.4 oz||690||n||Feb 2013||599||-||Sony A58|
|Canon T5i« »||5.2 in||3.9 in||3.1 in||20.5 oz||440||n||Mar 2013||649||-||Canon T5i|
|Nikon D3200« »||4.9 in||3.8 in||3.0 in||17.8 oz||540||n||Apr 2012||599||-||Nikon D3200|
|Olympus E-PL9« »||4.6 in||2.7 in||1.5 in||13.4 oz||350||n||Feb 2018||549||Olympus E-PL9|
|Olympus E-M10 III« »||4.8 in||3.3 in||2.0 in||14.5 oz||330||n||Aug 2017||649||Olympus E-M10 III|
|Olympus E-PL8« »||4.5 in||2.6 in||1.5 in||12.6 oz||350||n||Sep 2016||549||-||Olympus E-PL8|
|Olympus PEN-F« »||4.9 in||2.8 in||1.5 in||15.1 oz||330||n||Jan 2016||1,199||Olympus PEN-F|
|Olympus E-M10« »||4.7 in||3.2 in||1.8 in||14.0 oz||320||n||Jan 2014||699||-||Olympus E-M10|
|Olympus E-PL7« »||4.5 in||2.6 in||1.5 in||12.6 oz||350||n||Aug 2014||599||-||Olympus E-PL7|
|Olympus E-P5« »||4.8 in||2.7 in||1.5 in||14.8 oz||330||n||May 2013||999||-||Olympus E-P5|
|Olympus E-PL6« »||4.4 in||2.5 in||1.5 in||11.5 oz||360||n||May 2013||599||-||Olympus E-PL6|
|Olympus E-PL5« »||4.4 in||2.5 in||1.5 in||11.5 oz||360||n||Sep 2012||599||-||Olympus E-PL5|
|Panasonic GX85« »||4.8 in||2.8 in||1.7 in||15.0 oz||290||n||Apr 2016||799||Panasonic GX85|
|Sony A68« »||5.6 in||4.1 in||3.2 in||21.5 oz||540||n||Nov 2015||699||-||Sony A68|
|Sony A5100« »||4.3 in||2.5 in||1.4 in||10.0 oz||400||n||Aug 2014||549||Sony A5100|
|Sony A3000« »||5.0 in||3.6 in||3.3 in||14.5 oz||470||n||Aug 2013||329||-||Sony A3000|
|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 somewhat cheaper (by 8 percent) than the E-M10 II at launch, but both cameras fall into the same price category. 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.
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-M10 II 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-M10 II has a native 4:3 aspect ratio, while the one in the A58 offers a 3:2 aspect.
With 19.8MP, the A58 offers a higher resolution than the E-M10 II (15.9MP), but the A58 nevertheless has larger individual pixels (pixel pitch of 4.31μm versus 3.76μm for the E-M10 II) due to its larger sensor. However, the E-M10 II is a much more recent model (by 2 years and 6 months) than the A58, and its sensor will have benefitted from technological advances during this time that enhance the light gathering capacity of its pixel-units. Coming back to sensor resolution, it should be mentioned that the E-M10 II has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.
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-M10 II 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-M10 Mark II has a native sensitivity range from ISO 200 to ISO 25600, which can be extended to ISO 100-25600. 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.
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.
|Olympus E-M10 II»||Four Thirds||15.9||4608||3456||1080/60p||23.1||12.5||842||73||Olympus E-M10 II|
|Sony A58«||APS-C||19.8||5456||3632||1080/60i||23.3||12.5||753||74||Sony A58|
|Canon T5i« »||APS-C||17.9||5184||3456||1080/30p||21.7||11.2||681||61||Canon T5i|
|Nikon D3200« »||APS-C||24.1||6016||4000||1080/30p||24.1||13.2||1131||81||Nikon D3200|
|Olympus E-PL9« »||Four Thirds||15.9||4608||3456||4K/30p||-||-||-||-||Olympus E-PL9|
|Olympus E-M10 III« »||Four Thirds||15.9||4608||3456||4K/30p||-||-||-||-||Olympus E-M10 III|
|Olympus E-PL8« »||Four Thirds||15.9||4608||3456||1080/30p||-||-||-||-||Olympus E-PL8|
|Olympus PEN-F« »||Four Thirds||20.2||5184||3888||1080/60p||23.1||12.4||894||74||Olympus PEN-F|
|Olympus E-M10« »||Four Thirds||15.9||4608||3456||1080/30p||22.8||12.3||884||72||Olympus E-M10|
|Olympus E-PL7« »||Four Thirds||15.9||4608||3456||1080/30p||22.7||12.4||873||72||Olympus E-PL7|
|Olympus E-P5« »||Four Thirds||15.9||4608||3456||1080/30p||22.8||12.4||895||72||Olympus E-P5|
|Olympus E-PL6« »||Four Thirds||15.9||4608||3456||1080/30p||-||-||-||-||Olympus E-PL6|
|Olympus E-PL5« »||Four Thirds||15.9||4608||3456||1080/30p||22.8||12.3||889||72||Olympus E-PL5|
|Panasonic GX85« »||Four Thirds||15.8||4592||3448||4K/30p||22.9||12.6||662||71||Panasonic GX85|
|Sony A68« »||APS-C||24.0||6000||4000||1080/60i||24.1||13.5||701||79||Sony A68|
|Sony A5100« »||APS-C||24.0||6000||4000||1080/60p||23.8||12.7||1347||80||Sony A5100|
|Sony A3000« »||APS-C||19.8||5456||3632||1080/60i||23.7||12.8||1068||78||Sony A3000|
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 E-M10 II provides a higher frame rate than the A58. It can shoot video footage at 1080/60p, while the Sony is limited to 1080/60i.
Beyond body and sensor, cameras can and do differ across a range of features. The two cameras under consideration are similar with respect to both having an electronic viewfinder. However, the one in the E-M10 II offers a substantially higher resolution than the one in the A58 (2360k vs 1440k dots). The adjacent table lists some of the other core features of the Olympus E-M10 II and Sony A58 along with similar information for a selection of comparators.
|Olympus E-M10 II»||2360||n||3.0||1040||tilting||Y||1/4000s||8.0||Y||Y||Olympus E-M10 II|
|Sony A58«||1440||n||2.7||460||tilting||n||1/4000s||5.0||Y||Y||Sony A58|
|Canon T5i« »||optical||n||3.0||1040||swivel||Y||1/4000s||5.0||Y||n||Canon T5i|
|Nikon D3200« »||optical||n||3.0||921||fixed||n||1/4000s||4.0||Y||n||Nikon D3200|
|Olympus E-PL9« »||-||n||3.0||1040||tilting||Y||1/4000s||8.6||Y||Y||Olympus E-PL9|
|Olympus E-M10 III« »||2360||n||3.0||1040||tilting||Y||1/4000s||8.6||Y||Y||Olympus E-M10 III|
|Olympus E-PL8« »||-||n||3.0||1037||tilting||Y||1/4000s||8.0||n||Y||Olympus E-PL8|
|Olympus PEN-F« »||2360||n||3.0||1037||swivel||Y||1/8000s||10.0||n||Y||Olympus PEN-F|
|Olympus E-M10« »||1440||n||3.0||1037||tilting||Y||1/4000s||8.0||Y||Y||Olympus E-M10|
|Olympus E-PL7« »||-||n||3.0||1037||tilting||Y||1/4000s||8.0||n||Y||Olympus E-PL7|
|Olympus E-P5« »||-||n||3.0||1037||tilting||Y||1/8000s||9.0||Y||Y||Olympus E-P5|
|Olympus E-PL6« »||-||n||3.0||460||tilting||Y||1/4000s||8.0||n||Y||Olympus E-PL6|
|Olympus E-PL5« »||-||n||3.0||460||tilting||Y||1/4000s||8.0||n||Y||Olympus E-PL5|
|Panasonic GX85« »||2765||n||3.0||1040||tilting||Y||1/4000s||8.0||Y||Y||Panasonic GX85|
|Sony A68« »||1440||Y||2.7||460||tilting||n||1/4000s||8.0||Y||Y||Sony A68|
|Sony A5100« »||-||n||3.0||922||tilting||Y||1/4000s||6.0||Y||n||Sony A5100|
|Sony A3000« »||202||n||3.0||230||fixed||n||1/4000s||2.5||Y||n||Sony A3000|
One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The E-M10 II has a touchscreen, while the A58 has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.
The reported shutter speed information refers to the use of the mechanical shutter. Yet, some cameras only have an electronic shutter, while others have an electronic shutter in addition to a mechanical one. In fact, the E-M10 II is one of those camera that have an additional electronic shutter, which makes completely silent shooting possible. However, this mode is less suitable for photographing moving objects (risk of rolling shutter) or shooting under artificial light sources (risk of flickering).
The Olympus E-M10 II 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 E-M10 II writes its imaging data to SDXC cards, while the A58 uses SDXC or Memory Stick PRO Duo cards. The E-M10 II 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.
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-M10 Mark II and Sony Alpha SLT-A58 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
|Olympus E-M10 II»||Y||stereo||mono||-||-||micro||2.0||Y||-||-||Olympus E-M10 II|
|Sony A58«||Y||stereo||mono||Y||-||mini||2.0||-||-||-||Sony A58|
|Canon T5i« »||Y||stereo||mono||Y||-||mini||2.0||-||-||-||Canon T5i|
|Nikon D3200« »||Y||mono||mono||Y||-||mini||2.0||-||-||-||Nikon D3200|
|Olympus E-PL9« »||Y||stereo||mono||-||-||micro||2.0||Y||-||Y||Olympus E-PL9|
|Olympus E-M10 III« »||Y||stereo||mono||-||-||micro||2.0||Y||-||-||Olympus E-M10 III|
|Olympus E-PL8« »||Y||stereo||mono||-||-||micro||2.0||Y||-||-||Olympus E-PL8|
|Olympus PEN-F« »||Y||stereo||mono||-||-||micro||2.0||Y||-||-||Olympus PEN-F|
|Olympus E-M10« »||Y||stereo||mono||-||-||micro||2.0||Y||-||-||Olympus E-M10|
|Olympus E-PL7« »||Y||stereo||mono||-||-||micro||2.0||Y||-||-||Olympus E-PL7|
|Olympus E-P5« »||Y||stereo||mono||-||-||micro||2.0||Y||-||-||Olympus E-P5|
|Olympus E-PL6« »||Y||stereo||mono||-||-||mini||2.0||-||-||-||Olympus E-PL6|
|Olympus E-PL5« »||Y||stereo||mono||-||-||mini||2.0||-||-||-||Olympus E-PL5|
|Panasonic GX85« »||Y||stereo||mono||-||-||micro||2.0||Y||-||-||Panasonic GX85|
|Sony A68« »||Y||stereo||mono||Y||-||micro||2.0||-||-||-||Sony A68|
|Sony A5100« »||-||stereo||mono||-||-||micro||2.0||Y||Y||-||Sony A5100|
|Sony A3000« »||Y||stereo||mono||-||-||mini||2.0||-||-||-||Sony A3000|
It is notable that the E-M10 II offers wifi support, while the A58 does not. Wifi can be a very convenient means to transfer image data to an off-camera location.
Both the E-M10 II and the A58 have been discontinued, but can regularly be found used on eBay. The A58 was replaced by the Sony A68, while the E-M10 II was followed by the Olympus E-M10 III. 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.
So what conclusions can be drawn? Is the Olympus E-M10 II better than the Sony A58 or vice versa? A synthesis of the relative strong points of each of the models is listed below.
Arguments in favor of the Olympus OM-D E-M10 Mark II:
- Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
- Better video: Provides higher movie framerates (1080/60p versus 1080/60i).
- More detailed viewfinder: Has higher resolution electronic viewfinder (2360k vs 1440k dots).
- Larger viewfinder image: Features a viewfinder with a higher magnification (0.62x 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 (1040k vs 460k dots).
- Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
- Faster burst: Shoots at higher frequency (8 vs 5 flaps/sec) to capture the decisive moment.
- Less disturbing: Has an electronic shutter option for completely silent shooting.
- Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
- More compact: Is smaller (120x83mm vs 129x95mm) and thus needs less room in the bag.
- Less heavy: Is lighter (by 102g or 21 percent) and hence easier to carry around.
- More legacy lens friendly: Can take a broad range of non-native lenses via adapters.
- Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
- Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
- More modern: Reflects 2 years and 6 months of technical progress since the A58 launch.
Advantages of the Sony Alpha SLT-A58:
- More detail: Has more megapixels (19.8 vs 15.9MP), which boosts linear resolution by 14%.
- Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
- Better sound: Can connect to an external microphone for higher quality sound recording.
- Longer lasting: Gets more shots (690 versus 320) out of a single battery charge.
- More heavily discounted: Has been around for much longer (launched in February 2013).
If the count of relative strengths (bullet points above) is taken as a measure, the E-M10 II is the clear winner of the match-up (16 : 5 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.
How about other alternatives? Do the specifications of the Olympus E-M10 II 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-M10 II 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.
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.
|Olympus E-M10 II»||+ +||80/100||5/5||5/5||5/5||Aug 2015||649||-||Olympus E-M10 II|
|Sony A58«||-||-||4.5/5||4.5/5||4.5/5||Feb 2013||599||-||Sony A58|
|Canon T5i« »||-||76/100||4.5/5||4.5/5||4.5/5||Mar 2013||649||-||Canon T5i|
|Nikon D3200« »||+ +||73/100||4.5/5||4.5/5||4.5/5||Apr 2012||599||-||Nikon D3200|
|Olympus E-PL9« »||+||-||4.5/5||-||4/5||Feb 2018||549||Olympus E-PL9|
|Olympus E-M10 III« »||+||80/100||4.5/5||4/5||4.5/5||Aug 2017||649||Olympus E-M10 III|
|Olympus E-PL8« »||-||-||4.5/5||-||4/5||Sep 2016||549||-||Olympus E-PL8|
|Olympus PEN-F« »||-||82/100||4.5/5||4.5/5||5/5||Jan 2016||1,199||Olympus PEN-F|
|Olympus E-M10« »||-||80/100||5/5||4.5/5||5/5||Jan 2014||699||-||Olympus E-M10|
|Olympus E-PL7« »||+||-||5/5||4.5/5||4/5||Aug 2014||599||-||Olympus E-PL7|
|Olympus E-P5« »||+ +||78/100||4.5/5||4.5/5||5/5||May 2013||999||-||Olympus E-P5|
|Olympus E-PL6« »||-||-||-||-||-||May 2013||599||-||Olympus E-PL6|
|Olympus E-PL5« »||+ +||-||4.5/5||4.5/5||4.5/5||Sep 2012||599||-||Olympus E-PL5|
|Panasonic GX85« »||+ +||82/100||5/5||4.5/5||5/5||Apr 2016||799||Panasonic GX85|
|Sony A68« »||-||-||4/5||-||4/5||Nov 2015||699||-||Sony A68|
|Sony A5100« »||+||-||4.5/5||4.5/5||5/5||Aug 2014||549||Sony A5100|
|Sony A3000« »||+||-||4/5||4.5/5||4/5||Aug 2013||329||-||Sony A3000|
|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.
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.
- Canon 4000D vs Sony A58
- Canon M5 vs Sony A58
- Canon SX410 vs Olympus E-M10 II
- Fujifilm X-A10 vs Olympus E-M10 II
- Fujifilm X-A7 vs Sony A58
- Leica C-LUX vs Sony A58
- Nikon P7800 vs Sony A58
- Olympus E-M10 II vs Panasonic GX1
- Olympus E-M10 II vs Sony RX1
- Panasonic GX9 vs Sony A58
- Panasonic LX10 vs Sony A58
- Panasonic TZ90 vs Sony A58
Specifications: Olympus E-M10 II 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 Model||Olympus E-M10 II||Sony A58|
|Camera Type||Mirrorless system camera||Digital single lens reflex|
|Camera Lens||Micro Four Thirds lenses||Sony A mount lenses|
|Launch Date||August 2015||February 2013|
|Launch Price||USD 649||USD 599|
|Sensor Specs||Olympus E-M10 II||Sony A58|
|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|
|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||no AA filter||Anti-Alias filter|
|Movie Capability||1080/60p Video||1080/60i Video|
|ISO Setting||200-25600 ISO||100-16000 ISO|
|ISO Boost||100-25600 ISO||100-25600 ISO|
|DXO Sensor Quality (score)||73||74|
|DXO Color Depth (bits)||23.1||23.3|
|DXO Dynamic Range (EV)||12.5||12.5|
|DXO Low Light (ISO)||842||753|
|Screen Specs||Olympus E-M10 II||Sony A58|
|Viewfinder Type||Electronic viewfinder||Electronic viewfinder|
|Viewfinder Field of View||100%||100%|
|Viewfinder Resolution||2360k dots||1440k dots|
|LCD Framing||Live View||Live View|
|Rear LCD Size||3.0 inch||2.7 inch|
|LCD Resolution||1040k dots||460k dots|
|LCD Attachment||Tilting screen||Tilting screen|
|Touch Input||Touchscreen||no Touchscreen|
|Shooting Specs||Olympus E-M10 II||Sony A58|
|Autofocus System||Contrast-detect AF||Phase-detect AF|
|Manual Focusing Aid||Focus Peaking||Focus Peaking|
|Max Shutter Speed (mechanical)||1/4000/s||1/4000/s|
|Continuous Shooting||8 shutter flaps/s||5 shutter flaps/s|
|Electronic Shutter||up to 1/16000s||no E-Shutter|
|Time-Lapse Photography||Intervalometer built-in||no Intervalometer|
|Image Stabilization||In-body stabilization||In-body stabilization|
|Fill Flash||Build-in 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-M10 II||Sony A58|
|USB Connector||USB 2.0||USB 2.0|
|HDMI Port||micro HDMI||mini HDMI|
|Microphone Port||no MIC socket||External MIC port|
|Wifi Support||Wifi built-in||no Wifi|
|Body Specs||Olympus E-M10 II||Sony A58|
|Battery Life (CIPA)||320 shots per charge||690 shots per charge|
120 x 83 x 47 mm
(4.7 x 3.3 x 1.9 in)
129 x 95 x 78 mm
(5.1 x 3.7 x 3.1 in)
|Camera Weight||390 g (13.8 oz)||492 g (17.4 oz)|
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