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Olympus E-M10 III vs Sony A58

The Olympus OM-D E-M10 Mark III and the Sony Alpha SLT-A58 are two digital cameras that were revealed to the public, respectively, in August 2017 and February 2013. The E-M10 III is a mirrorless interchangeable lens camera, while the A58 is a DSLR. The cameras are based on a Four Thirds (E-M10 III) 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-M10 III   Sony A58
Olympus E-M10 III 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
4K/30p 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)
8.6 shutter flaps per second 5 shutter flaps per second
In-body stabilizationIn-body stabilization
330 shots per battery charge690 shots per battery charge
122 x 84 x 50 mm, 410 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 III 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: Olympus E-M10 III vs Sony A58

An illustration of the physical size and weight of the Olympus E-M10 III and the Sony A58 is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive views from the front, the top, and the rear side are shown. All width, height and depth measures are rounded to the nearest millimeter.

The E-M10 III can be obtained in two different colors (black, silver), while the A58 is only available in black.

Size Olympus E-M10 III vs Sony A58
Compare E-M10 III versus A58 top
Comparison E-M10 III 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 (20 percent) than the Olympus E-M10 III. Moreover, the A58 is markedly heavier (20 percent) than the E-M10 III. In this context, it is worth noting that neither the E-M10 III 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.

Concerning battery life, the E-M10 III gets 330 shots out of its BLS-50 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 would like to visualize and compare a different camera combination, just use the right or left arrows in the table to switch to the respective camera. Alternatively, you can also navigate to the CAM-parator app and make your selection from the full list of cameras 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)
Used
Price
(USD)
Camera
Model
 
Olympus E-M10 III» 4.8 in 3.3 in 2.0 in 14.5 oz 330 n Aug 2017 649 i i Olympus E-M10 III
 
Sony A58« 5.1 in 3.7 in 3.1 in 17.4 oz 690 n Feb 2013 599- i Sony A58
 
Canon SL1« » 4.6 in 3.6 in 2.7 in 14.4 oz 380 n Mar 2013 549- i Canon SL1
 
Canon T5i« » 5.2 in 3.9 in 3.1 in 20.5 oz 440 n Mar 2013 649- i Canon T5i
 
Nikon D5600« » 4.9 in 3.8 in 2.8 in 16.4 oz 970 n Nov 2016 699 i i Nikon D5600
 
Nikon D3300« » 4.9 in 3.9 in 3.0 in 15.2 oz 700 n Jan 2014 499- i Nikon D3300
 
Olympus E-PL9« » 4.6 in 2.7 in 1.5 in 13.4 oz 350 n Feb 2018 549 i i Olympus E-PL9
 
Olympus E-PL8« » 4.5 in 2.6 in 1.5 in 12.6 oz 350 n Sep 2016 549- i Olympus E-PL8
 
Olympus PEN-F« » 4.9 in 2.8 in 1.5 in 15.1 oz 330 n Jan 2016 1,199 i i Olympus PEN-F
 
Olympus E-M10 II« » 4.7 in 3.3 in 1.9 in 13.8 oz 320 n Aug 2015 649- i Olympus E-M10 II
 
Olympus E-M10« » 4.7 in 3.2 in 1.8 in 14.0 oz 320 n Jan 2014 699- i Olympus E-M10
 
Olympus E-PL7« » 4.5 in 2.6 in 1.5 in 12.6 oz 350 n Aug 2014 599- i Olympus E-PL7
 
Olympus E-PL6« » 4.4 in 2.5 in 1.5 in 11.5 oz 360 n May 2013 599- i Olympus E-PL6
 
Olympus E-PL5« » 4.4 in 2.5 in 1.5 in 11.5 oz 360 n Sep 2012 599- i Olympus E-PL5
 
Olympus E-PL2« » 4.5 in 2.8 in 1.7 in 12.8 oz 280 n Jan 2011 599- i Olympus E-PL2
 
Panasonic GX85« » 4.8 in 2.8 in 1.7 in 15.0 oz 290 n Apr 2016 799 i i Panasonic GX85
 
Sony A7 II« » 5.0 in 3.8 in 2.4 in 21.1 oz 350 Y Nov 2014 1,999- i Sony A7 II
Note: Measurements and pricing do not include easily detachable parts, such as interchangeable lenses or optional viewfinders.

Any camera decision will naturally be influenced heavily by the price. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The A58 was somewhat cheaper (by 8 percent) than the E-M10 III 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

 

Sensor comparison: Olympus E-M10 III vs Sony A58

The size of the sensor inside a digital camera is one of the key determinants of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units 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 are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Olympus E-M10 III 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 III has a native 4:3 aspect ratio, while the one in the A58 offers a 3:2 aspect.

Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors.

Olympus E-M10 III and Sony A58 sensor measures

With 19.8MP, the A58 offers a higher resolution than the E-M10 III (15.9MP), but the A58 nevertheless has larger individual pixels (pixel pitch of 4.31μm versus 3.76μm for the E-M10 III) due to its larger sensor. However, the E-M10 III is a much more recent model (by 4 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 III 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 III 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 III 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.

E-M10 III 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 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
 
Olympus E-M10 III» Four Thirds 15.9 4608 34564K/30p----Olympus E-M10 III
 
Sony A58« APS-C 19.8 5456 36321080/60i23.312.575374Sony A58
 
Canon SL1« » APS-C 17.9 5184 34561080/30p21.811.384363Canon SL1
 
Canon T5i« » APS-C 17.9 5184 34561080/30p21.711.268161Canon T5i
 
Nikon D5600« » APS-C 24.0 6000 40001080/60p24.114.0130684Nikon D5600
 
Nikon D3300« » APS-C 24.0 6000 40001080/60p24.312.8138582Nikon D3300
 
Olympus E-PL9« » Four Thirds 15.9 4608 34564K/30p----Olympus E-PL9
 
Olympus E-PL8« » Four Thirds 15.9 4608 34561080/30p----Olympus E-PL8
 
Olympus PEN-F« » Four Thirds 20.2 5184 38881080/60p23.112.489474Olympus PEN-F
 
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-PL6« » Four Thirds 15.9 4608 34561080/30p----Olympus E-PL6
 
Olympus E-PL5« » Four Thirds 15.9 4608 34561080/30p22.812.388972Olympus E-PL5
 
Olympus E-PL2« » Four Thirds 12.2 4032 3024720/30p21.410.257355Olympus E-PL2
 
Panasonic GX85« » Four Thirds 15.8 4592 34484K/30p22.912.666271Panasonic GX85
 
Sony A7 II« » Full Frame 24.0 6000 40001080/60p24.913.6244990Sony A7 II

Many modern cameras are not only capable of taking still images, but can also record movies. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the E-M10 III provides a higher video resolution than the A58. It can shoot video footage at 4K/30p, while the Sony is limited to 1080/60i.

 

Feature comparison: Olympus E-M10 III vs Sony A58

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 III offers a substantially higher resolution than the one in the A58 (2360k vs 1440k dots). The following table reports on some other key feature differences and similarities of the Olympus E-M10 III, the Sony A58, and comparable cameras.

Core Features
  Camera
Model
Viewfinder
(Type or
'000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
('000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
Camera
Model
 
Olympus E-M10 III»2360 n 3.0 1040 tilting Y 1/4000s 8.6 Y Y Olympus E-M10 III
 
Sony A58«1440 n 2.7 460 tilting n 1/4000s 5.0 Y Y Sony A58
 
Canon SL1« »optical n 3.0 1040 fixed Y 1/4000s 4.9 Y n Canon SL1
 
Canon T5i« »optical n 3.0 1040 swivel Y 1/4000s 5.0 Y n Canon T5i
 
Nikon D5600« »optical n 3.2 1037 swivel Y 1/4000s 5.0 Y n Nikon D5600
 
Nikon D3300« »optical n 3.0 921 fixed n 1/4000s 5.0 Y n Nikon D3300
 
Olympus E-PL9« »- n 3.0 1040 tilting Y 1/4000s 8.6 Y Y Olympus E-PL9
 
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 II« »2360 n 3.0 1040 tilting Y 1/4000s 8.0 Y Y Olympus E-M10 II
 
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-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
 
Olympus E-PL2« »- n 3.0 460 fixed n 1/4000s 3.0 Y Y Olympus E-PL2
 
Panasonic GX85« »2765 n 3.0 1040 tilting Y 1/4000s 8.0 Y Y Panasonic GX85
 
Sony A7 II« »2400 n 3.0 1230 tilting n 1/8000s 5.0 n Y Sony A7 II

One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The E-M10 III has a touchscreen, while the A58 has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

The Olympus E-M10 III 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 III writes its imaging data to SDXC cards, while the A58 uses SDXC or Memory Stick PRO Duo cards. The E-M10 III supports UHS-II cards (Ultra High Speed data transfer of up to 312 MB/s), while the A58 cannot take advantage of Ultra High Speed SD cards.

 

Connectivity comparison: Olympus E-M10 III vs Sony A58

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 III 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
Type
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
 
Olympus E-M10 III»Ystereomono--micro2.0Y--Olympus E-M10 III
 
Sony A58«YstereomonoY-mini2.0---Sony A58
 
Canon SL1« »YmonomonoY-mini2.0---Canon SL1
 
Canon T5i« »YstereomonoY-mini2.0---Canon T5i
 
Nikon D5600« »YstereomonoY-mini2.0YYYNikon D5600
 
Nikon D3300« »YmonomonoY-mini2.0---Nikon D3300
 
Olympus E-PL9« »Ystereomono--micro2.0Y-YOlympus E-PL9
 
Olympus E-PL8« »Ystereomono--micro2.0Y--Olympus E-PL8
 
Olympus PEN-F« »Ystereomono--micro2.0Y--Olympus PEN-F
 
Olympus E-M10 II« »Ystereomono--micro2.0Y--Olympus E-M10 II
 
Olympus E-M10« »Ystereomono--micro2.0Y--Olympus E-M10
 
Olympus E-PL7« »Ystereomono--micro2.0Y--Olympus E-PL7
 
Olympus E-PL6« »Ystereomono--mini2.0---Olympus E-PL6
 
Olympus E-PL5« »Ystereomono--mini2.0---Olympus E-PL5
 
Olympus E-PL2« »Ystereo---mini2.0---Olympus E-PL2
 
Panasonic GX85« »Ystereomono--micro2.0Y--Panasonic GX85
 
Sony A7 II« »YstereomonoYYmicro2.0YY-Sony A7 II

It is notable that the E-M10 III offers wifi support, while the A58 does not. Wifi can be a very convenient means to transfer image data to an off-camera location.

The E-M10 III is a recent model that features in the current product line-up of Olympus. In contrast, the A58 has been discontinued (but it can be found pre-owned on eBay). As a replacement in the same line of cameras, the A58 was succeeded 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: Olympus E-M10 III vs Sony A58

So how do things add up? Which of the two cameras – the Olympus E-M10 III or the Sony A58 – has the upper hand? Is one clearly better than the other? A synthesis of the relative strong points of each of the models is listed below.

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Arguments in favor of the Olympus OM-D E-M10 Mark III:

  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better video: Provides higher definition movie capture (4K/30p vs 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 (8.6 vs 5 flaps/sec) to capture the decisive moment.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • More compact: Is smaller (122x84mm vs 129x95mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 82g or 17 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: Supports Ultra High Speed (UHS-II) SDXC cards.
  • More modern: Reflects 4 years and 6 months of technical progress since the A58 launch.

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Reasons to prefer 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 330) out of a single battery charge.
  • More heavily discounted: Has been around for much longer (launched in February 2013).

If the count of individual advantages (bullet points above) is taken as a guide, the E-M10 III is the clear winner of the match-up (15 : 5 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding on a new camera. A professional 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.

E-M10 III 15:05 A58

How about other alternatives? Do the specifications of the Olympus E-M10 III 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 III 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: Olympus E-M10 III vs Sony A58

This is where reviews by experts come in. 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
cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
 
Olympus E-M10 III»+80/1004.5/54/54.5/5 Aug 2017 649 i i Olympus E-M10 III
 
Sony A58«--4.5/54.5/54.5/5 Feb 2013 599- i Sony A58
 
Canon SL1« »+78/1004/54/54/5 Mar 2013 549- i Canon SL1
 
Canon T5i« »-76/1004.5/54.5/54.5/5 Mar 2013 649- i Canon T5i
 
Nikon D5600« »-79/1004.5/54.5/54/5 Nov 2016 699 i i Nikon D5600
 
Nikon D3300« »+77/1004.5/54.5/54.5/5 Jan 2014 499- i Nikon D3300
 
Olympus E-PL9« »+-4.5/5-4/5 Feb 2018 549 i i Olympus E-PL9
 
Olympus E-PL8« »--4.5/5-4/5 Sep 2016 549- i Olympus E-PL8
 
Olympus PEN-F« »-82/1004.5/54.5/55/5 Jan 2016 1,199 i i Olympus PEN-F
 
Olympus E-M10 II« »+ +80/1005/55/55/5 Aug 2015 649- i Olympus E-M10 II
 
Olympus E-M10« »-80/1005/54.5/55/5 Jan 2014 699- i Olympus E-M10
 
Olympus E-PL7« »+-5/54.5/54/5 Aug 2014 599- i Olympus E-PL7
 
Olympus E-PL6« »----- May 2013 599- i Olympus E-PL6
 
Olympus E-PL5« »+ +-4.5/54.5/54.5/5 Sep 2012 599- i Olympus E-PL5
 
Olympus E-PL2« »83/10071/1004.5/54.5/54.5/5 Jan 2011 599- i Olympus E-PL2
 
Panasonic GX85« »+ +82/1005/54.5/55/5 Apr 2016 799 i i Panasonic GX85
 
Sony A7 II« »+82/1004.5/55/55/5 Nov 2014 1,999- i Sony A7 II
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. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

Olympus E-M10 III:
Check Amazon price
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 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-M10 III 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-M10 III Sony A58
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Micro Four Thirds lenses Sony A mount lenses
    Launch Date August 2017 February 2013
    Launch Price USD 649 USD 599
    Sensor Specs Olympus E-M10 III 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 no AA filter Anti-Alias filter
    Movie Capability 4K/30p Video 1080/60i Video
    ISO Setting 200-25600 ISO 100-16000 ISO
    ISO Boost 100-25600 ISO 100-25600 ISO
    DXO Sensor Quality (score) .. 74
    DXO Color Depth (bits) .. 23.3
    DXO Dynamic Range (EV) .. 12.5
    DXO Low Light (ISO) .. 753
    Screen Specs Olympus E-M10 III Sony A58
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.62x 0.57x
    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 III Sony A58
    Autofocus System Contrast-detect AF Phase-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/4000/s 1/4000/s
    Continuous Shooting 8.6 shutter flaps/s 5 shutter flaps/s
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image StabilizationIn-body stabilizationIn-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-II no
    Connectivity Specs Olympus E-M10 III Sony A58
    External Flash Hotshoe Hotshoe
    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 III Sony A58
    Battery Type BLS-50 power pack NP-FM500H power pack
    Battery Life (CIPA)330 shots per charge690 shots per charge
    Body Dimensions 122 x 84 x 50 mm
    (4.8 x 3.3 x 2.0 in)
    129 x 95 x 78 mm
    (5.1 x 3.7 x 3.1 in)
    Camera Weight 410 g (14.5 oz) 492 g (17.4 oz)

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