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Olympus E-M10 II versus Olympus E-M10 III

The Olympus OM-D E-M10 Mark II and the Olympus OM-D E-M10 Mark III are two digital cameras that were officially introduced, respectively, in August 2015 and August 2017. Both the E-M10 II and the E-M10 III are mirrorless interchangeable lens cameras that are equipped with a Four Thirds sensor. Both cameras offer a resolution of 15.9 megapixel. Read on to find out how these two cameras compare with respect to their size, their sensors, their features, and their reception by expert reviewers.

Body comparison: Olympus E-M10 II vs Olympus E-M10 III

The physical size and weight of the Olympus E-M10 II and the Olympus E-M10 III are illustrated in the side-by-side display below. Three consecutive perspectives from the front, the top, and the back are presented. All width, height and depth measures are rounded to the nearest millimeter. You can also toggle the display to switch to a percentage comparison if you prefer that the measures are being expressed in relative terms (in this case, the camera on the left – the E-M10 II – represents the basis or 100 percent across all the size and weight measures).

Compare Olympus E-M10 II vs Olympus E-M10 III
E-M10 II versus E-M10 III top view
E-M10 II and E-M10 III rear side

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Olympus E-M10 III is somewhat larger (3 percent) than the Olympus E-M10 II. Moreover, the E-M10 III is markedly heavier (5 percent) than the E-M10 II. In this context, it is worth noting that neither the E-M10 II nor the E-M10 III 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. In this particular case, both cameras feature the same lens mount, so that they can use the same lenses. You can find an overview of suitable optics in the Micro Four Thirds Lens Catalog. 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.

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 Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(y/n)
Camera
Launch
(year)
Launch
Price
(USD)
Street
Price
(amazon)
Used
Price
(ebay)
Olympus E-M10 II (⇒ rgt) 4.7 in 3.3 in 1.9 in 13.8 oz 320 no 2015 799discont. check
Olympus E-M10 III (⇒ lft) 4.8 in 3.3 in 2.0 in 14.5 oz 330 no 2017 649 latest check
Olympus E-PL9 (⇒ lft | rgt) 4.6 in 2.7 in 1.5 in 13.4 oz 350 no 2018 549 latest check
Olympus PEN-F (⇒ lft | rgt) 4.9 in 2.8 in 1.5 in 15.1 oz 330 no 2016 1,199 latest check
Olympus E-PL8 (⇒ lft | rgt) 4.5 in 2.6 in 1.5 in 12.6 oz 350 no 2016 549discont. check
Olympus E-M5 II (⇒ lft | rgt) 4.9 in 3.3 in 1.8 in 16.5 oz 310 YES 2015 1,099 latest check
Olympus E-PL7 (⇒ lft | rgt) 4.5 in 2.6 in 1.5 in 12.6 oz 350 no 2014 599discont. check
Olympus E-M10 (⇒ lft | rgt) 4.7 in 3.2 in 1.8 in 14.0 oz 320 no 2014 699discont. check
Olympus E-P5 (⇒ lft | rgt) 4.8 in 2.7 in 1.5 in 14.8 oz 330 no 2013 999discont. check
Olympus E-PL5 (⇒ lft | rgt) 4.4 in 2.5 in 1.5 in 11.5 oz 360 no 2012 599discont. check
Panasonic G85 (⇒ lft | rgt) 5.0 in 3.5 in 2.9 in 17.8 oz 330 YES 2016 899 latest check
Panasonic GX85 (⇒ lft | rgt) 4.8 in 2.8 in 1.7 in 15.0 oz 290 no 2016 799 latest check

The price is, of course, an important factor in any camera decision. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The E-M10 III was launched at a somewhat lower price (by 19 percent) than the E-M10 II, which makes it more attractive for photographers on a tight budget. Usually, retail prices stay at first close to the launch price, but after several months, discounts become available. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

Sensor comparison: Olympus E-M10 II vs Olympus E-M10 III

The imaging sensor is at the core of digital cameras and its size is one of the main determining factors 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 are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Both cameras under consideration feature a Four Thirds sensor and have a format factor (sometimes also referred to as "crop factor") of 2.0. Within the spectrum of camera sensors, this places the review cameras among the medium-sized sensor cameras that aim to strike a balance between image quality and portability. Both cameras feature a native aspect ratio (sensor width to sensor height) of 4:3.

Olympus E-M10 II and Olympus E-M10 III sensor measures

The two cameras under review do not only share the same sensor size, but also offer an identical resolution of 15.9 megapixel. This similarity in sensor specs implies that both the E-M10 II and the E-M10 III have the same pixel density, as well as the same pixel size. It should, however, be noted that the E-M10 III is much more recent (by 2 years) than the E-M10 II, and its sensor will have benefitted from technological advances during this time. Coming back to sensor resolution, it should be mentioned that neither of the two cameras has an anti-alias filter installed, so they are able to capture all the detail the sensor resolves.

E-M10 II versus E-M10 III MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). 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 Sensor
Class
Resolution
(Megapixel)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Olympus E-M10 II (⇒ rgt) Four Thirds 15.9 4608 3456 1080/60p 23.1 12.5 842 73
Olympus E-M10 III (⇒ lft) Four Thirds 15.9 4608 3456 4K/30p .. .. .. ..
Olympus E-PL9 (⇒ lft | rgt) Four Thirds 15.9 4608 3456 4K/30p - - - -
Olympus PEN-F (⇒ lft | rgt) Four Thirds 20.2 5184 3888 1080/60p 23.1 12.4 894 74
Olympus E-PL8 (⇒ lft | rgt) Four Thirds 15.9 4608 3456 1080/30p - - - -
Olympus E-M5 II (⇒ lft | rgt) Four Thirds 15.9 4608 3456 1080/60p 23.0 12.5 842 73
Olympus E-PL7 (⇒ lft | rgt) Four Thirds 15.9 4608 3456 1080/30p 22.7 12.4 873 72
Olympus E-M10 (⇒ lft | rgt) Four Thirds 15.9 4608 3456 1080/30p 22.8 12.3 884 72
Olympus E-P5 (⇒ lft | rgt) Four Thirds 15.9 4608 3456 1080/30p 22.8 12.4 895 72
Olympus E-PL5 (⇒ lft | rgt) Four Thirds 15.9 4608 3456 1080/30p 22.8 12.3 889 72
Panasonic G85 (⇒ lft | rgt) Four Thirds 15.8 4592 3448 4K/30p 22.8 12.5 656 71
Panasonic GX85 (⇒ lft | rgt) Four Thirds 15.8 4592 3448 4K/30p 22.9 12.6 662 71

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 better video resolution than the E-M10 II. It can shoot movie footage at 4K/30p, while the E-M10 II is limited to 1080/60p.

Feature comparison: Olympus E-M10 II vs Olympus E-M10 III

Apart from body and sensor, cameras can and do differ across a variety of features. The E-M10 II and the E-M10 III 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 2360k dots. The table below summarizes some of the other core capabilities of the Olympus E-M10 II and Olympus E-M10 III in connection with corresponding information for a sample of similar cameras. If you need more detail on the specs, you can find comprehensive listings, for example, in the dpreview camera hub.

Core Features
Camera Viewfinder
(Type or
'000 dots)
Control
Panel
(Y/n)
LCD
Size
(inch)
LCD
Resolution
('000 dots)
LCD
Attach-
ment
Touch
Screen
(Y/n)
Shutter
speed
(1/sec)
Shutter
flaps
(1/sec))
Build-in
Flash
(GN)
Build-in
Image
Stab
Olympus E-M10 II (⇒ rgt) 2360 no 3.0 1040 tilting YES 4000 8.0 5.8 YES
Olympus E-M10 III (⇒ lft) 2360 no 3.0 1040 tilting YES 4000 8.6 5.8 YES
Olympus E-PL9 (⇒ lft | rgt) no no 3.0 1040 tilting YES 4000 8.6 7.6 YES
Olympus PEN-F (⇒ lft | rgt) 2360 no 3.0 1037 swivel YES 8000 10.0 no YES
Olympus E-PL8 (⇒ lft | rgt) no no 3.0 1037 tilting YES 4000 8.0 no YES
Olympus E-M5 II (⇒ lft | rgt) 2360 no 3.0 1037 swivel YES 8000 10.0 no YES
Olympus E-PL7 (⇒ lft | rgt) no no 3.0 1037 tilting YES 4000 8.0 no YES
Olympus E-M10 (⇒ lft | rgt) 1440 no 3.0 1037 tilting YES 4000 8.0 5.8 YES
Olympus E-P5 (⇒ lft | rgt) no no 3.0 1037 tilting YES 8000 9.0 7 YES
Olympus E-PL5 (⇒ lft | rgt) no no 3.0 460 tilting YES 4000 8.0 no YES
Panasonic G85 (⇒ lft | rgt) 2360 no 3.0 1040 swivel YES 4000 9.0 6.2 YES
Panasonic GX85 (⇒ lft | rgt) 2765 no 3.0 1040 tilting YES 4000 8.0 6 YES

The E-M10 III is a current model that online retailers, such as amazon, will have in stock. In contrast, the E-M10 II has been discontinued (but it can be found pre-owned on eBay). As a replacement in the same line of cameras, the E-M10 II was succeeded by the Olympus E-M10 III.

Review summary: Olympus E-M10 II vs Olympus E-M10 III

So how do things add up? Is there a clear favorite between the Olympus E-M10 II and the Olympus E-M10 III? Below is a summary of the relative strengths of each of the two contestants.


Advantages of the Olympus OM-D E-M10 Mark II:

  • More heavily discounted: Has been available for much longer (launched in August 2015).

Reasons to prefer the Olympus OM-D E-M10 Mark III:

  • Better video: Provides higher definition movie capture (4K/30p vs 1080/60p).
  • More affordable: Was released into a lower priced segment (19 percent cheaper at launch).
  • More modern: Reflects 2 years of technical progress since the E-M10 II launch.

If the count of individual advantages (bullet points above) is taken as a guide, the E-M10 III emerges as the winner of the match-up (3 : 1 points). However, the relative importance of the various individual camera aspects will vary according to personal preferences and needs, so that you might like to apply corresponding weights to the particular features before making a decision on a new camera.

E-M10 II 01:03 E-M10 III

In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it remains incomplete and does no justice, for example, to the way the E-M10 II or the E-M10 III handle or perform in practice. At times, user reviews, such as those published at amazon, address these issues in a useful manner, but such feedback is on many occasions incomplete, inconsistent, and unreliable. This is why hands-on reviews by experts are important. The adjacent table relays the overall verdicts of several of the most popular camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, photographyblog). You can find the full text of the reviews by clicking on the site logo in the table header.

Review scores
Camera cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(year)
Launch
Price
(USD)
Street
Price
(amazon)
Used
Price
(ebay)
Olympus E-M10 II (⇒ rgt) HiRec 80/100 Silver 5/5 5/5 5/5 2015 799discont. check
Olympus E-M10 III (⇒ lft) Rec 80/100 4.5/5 .. 4.5/5 2017 649 latest check
Olympus E-PL9 (⇒ lft | rgt) .. .. 4.5/5 .. 4/5 2018 549 latest check
Olympus PEN-F (⇒ lft | rgt) - 82/100 Silver 4.5/5 4.5/5 5/5 2016 1,199 latest check
Olympus E-PL8 (⇒ lft | rgt) - - 4.5/5 - 4/5 2016 549discont. check
Olympus E-M5 II (⇒ lft | rgt) HiRec 81/100 Silver 5/5 4.5/5 5/5 2015 1,099 latest check
Olympus E-PL7 (⇒ lft | rgt) Rec - 5/5 4.5/5 4/5 2014 599discont. check
Olympus E-M10 (⇒ lft | rgt) - 80/100 Gold 5/5 4.5/5 5/5 2014 699discont. check
Olympus E-P5 (⇒ lft | rgt) HiRec 78/100 Silver 4.5/5 4.5/5 5/5 2013 999discont. check
Olympus E-PL5 (⇒ lft | rgt) HiRec - 4.5/5 4.5/5 4.5/5 2012 599discont. check
Panasonic G85 (⇒ lft | rgt) HiRec 84/100 Gold 5/5 4.5/5 4.5/5 2016 899 latest check
Panasonic GX85 (⇒ lft | rgt) HiRec 82/100 Silver 5/5 4.5/5 5/5 2016 799 latest check

The above review scores should be interpreted with care, 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 comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

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. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting. If you do not see the camera that you are looking for, please contact me, and I will try to locate and add the respective data to the application.

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