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Canon 100D versus Olympus E-M10 II

The Canon EOS 100D (called Canon SL1 in some regions) and the Olympus OM-D E-M10 Mark II are two digital cameras that were officially introduced, respectively, in March 2013 and August 2015. The 100D is a DSLR, while the E-M10 II is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (100D) and a Four Thirds (E-M10 II) sensor. The Canon has a resolution of 17.9 megapixel, whereas the Olympus provides 15.9 MP. 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: Canon 100D vs Olympus E-M10 II

An illustration of the physical size and weight of the Canon 100D and the Olympus E-M10 II is provided in the side-by-side display below. 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. If you prefer, you can also use the toggle button to switch to a comparison in percentage terms (in this case, the camera on the left – the 100D – represents 100 percent across all the size and weight measures).

Snapsort Canon 100D vs Olympus E-M10 II
Compare 100D versus E-M10 II top
Compare 100D and E-M10 II rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Olympus E-M10 II is notably smaller (6 percent) than the Canon 100D. Moreover, the E-M10 II is slightly lighter (4 percent) than the 100D. In this context, it is worth noting that neither the 100D nor the E-M10 II 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 find an overview of optics for the two cameras in the Canon EF Lens Catalog (100D) and the Micro Four Thirds Lens Catalog (E-M10 II). Mirrorless cameras, such as the E-M10 II, have moreover the advantage that they can use many lenses from other systems via adapters, as they have a relatively short flange to focal plane distance.

Concerning battery life, the 100D gets 380 shots out of its LP-E12 battery, while the E-M10 II can take 320 images on a single charge of its BLS-50 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)
Used
Price
(USD)
Canon 100D» 4.6 in 3.6 in 2.7 in 14.4 oz 380 n Mar 2013 549- i
Olympus E-M10 II« 4.7 in 3.3 in 1.9 in 13.8 oz 320 n Aug 2015 799- i
Canon 4000D« » 5.1 in 4.0 in 3.0 in 15.4 oz 500 n Feb 2018 399 i i
Canon 200D« » 4.8 in 3.7 in 2.8 in 16.0 oz 650 n Jun 2017 549 i i
Canon 1200D« » 5.1 in 3.9 in 3.1 in 16.9 oz 500 n Feb 2014 449- i
Canon 700D« » 5.2 in 3.9 in 3.1 in 20.5 oz 440 n Mar 2013 649- i
Canon G16« » 4.3 in 3.0 in 1.6 in 12.6 oz 360 n Aug 2013 549 i i
Canon M« » 4.3 in 2.6 in 1.3 in 10.5 oz 230 n Jul 2012 599- i
Canon 650D« » 5.2 in 3.9 in 3.1 in 20.3 oz 440 n Jun 2012 849- i
Canon 600D« » 5.2 in 3.9 in 3.1 in 20.1 oz 440 n Feb 2011 599- i
Canon 500D« » 5.1 in 3.9 in 2.4 in 18.3 oz 400 n Mar 2009 799- i
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-PL8« » 4.5 in 2.6 in 1.5 in 12.6 oz 350 n Sep 2016 549- i
Olympus E-PL7« » 4.5 in 2.6 in 1.5 in 12.6 oz 350 n Aug 2014 599- i
Olympus E-M10« » 4.7 in 3.2 in 1.8 in 14.0 oz 320 n Jan 2014 699- i
Panasonic GX85« » 4.8 in 2.8 in 1.7 in 15.0 oz 290 n Apr 2016 799 i i
Panasonic G6« » 4.8 in 3.3 in 2.8 in 13.8 oz 340 n Apr 2013 599- i

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 100D was launched at a markedly lower price (by 31 percent) than the E-M10 II, 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: Canon 100D vs Olympus E-M10 II

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. 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 Canon 100D features an APS-C sensor and the Olympus E-M10 II a Four Thirds sensor. The sensor area in the E-M10 II is 32 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.6 and 2.0. The sensor in the 100D has a native 3:2 aspect ratio, while the one in the E-M10 II offers a 4:3 aspect.

Canon 100D and Olympus E-M10 II sensor measures

With 17.9MP, the 100D offers a higher resolution than the E-M10 II (15.9MP), but the 100D 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 somewhat more recent model (by 2 years and 5 months) than the 100D, and its sensor might have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixels. 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.

100D versus E-M10 II MP

For most cameras, data on sensor performance has been reported by DXO Mark. This service assesses and scores the color depth ("DXO Portrait"), dynamic range ("DXO Landscape"), and low-light sensitivity ("DXO Sports") of camera sensors, and also publishes an overall camera score. Of the two cameras under consideration, the E-M10 II has a markedly higher DXO score than the 100D (overall score 10 points higher), which will translate into better image quality. The advantage is based on 1.3 bits higher color depth, 1.2 EV in additional dynamic range, 0 stops of reduced low light sensitivity. The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

Sensor Characteristics
  Camera Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Canon 100D» APS-C 17.9 5184 34561080/30p21.811.384363
Olympus E-M10 II« Four Thirds 15.9 4608 34561080/60p23.112.584273
Canon 4000D« » APS-C 17.9 5184 34561080/30p21.911.469563
Canon 200D« » APS-C 24.0 6000 40001080/60p23.613.4104179
Canon 1200D« » APS-C 17.9 5184 34561080/30p21.911.372463
Canon 700D« » APS-C 17.9 5184 34561080/30p21.711.268161
Canon G16« » 1/1.7 12.0 4000 30001080/60p21.011.723054
Canon M« » APS-C 17.9 5184 34561080/30p22.111.282765
Canon 650D« » APS-C 17.9 5184 34561080/30p21.711.272262
Canon 600D« » APS-C 17.9 5184 34561080/30p22.111.579365
Canon 500D« » APS-C 15.1 4752 31681080/20p21.711.566363
Olympus E-M10 III« » Four Thirds 15.9 4608 34564K/30p----
Olympus E-PL8« » Four Thirds 15.9 4608 34561080/30p----
Olympus E-PL7« » Four Thirds 15.9 4608 34561080/30p22.712.487372
Olympus E-M10« » Four Thirds 15.9 4608 34561080/30p22.812.388472
Panasonic GX85« » Four Thirds 15.8 4592 34484K/30p22.912.666271
Panasonic G6« » Four Thirds 15.9 4608 34561080/60p21.311.563961

Many modern cameras are not only capable of taking still images, but also of capturing video footage. 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 faster frame rate than the 100D. It can shoot movie footage at 1080/60p, while the Canon is limited to 1080/30p.

 

Feature comparison: Canon 100D vs Olympus E-M10 II

Apart from body and sensor, cameras can and do differ across a range of features. For example, the E-M10 II has an electronic viewfinder (2360k dots), while the 100D has an optical one. Both systems have their advantages, with the electronic viewfinder making it possible to project supplementary shooting information into the framing view, whereas the optical viewfinder offers lag-free viewing and a very clear framing image. The table below summarizes some of the other core capabilities of the Canon 100D and Olympus E-M10 II 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
(yes/no)
LCD
Size
(inch)
LCD
Resolution
('000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Shutter
speed
(1/sec)
Shutter
flaps
(1/sec))
Build-in
Flash
(yes/no)
Build-in
Image
Stab
Canon 100D»optical n 3.0 1040 fixed Y 4000 4.9 Y n
Olympus E-M10 II«2360 n 3.0 1040 tilting Y 4000 8.0 Y Y
Canon 4000D« »optical n 2.7 230 fixed n 4000 3.0 Y n
Canon 200D« »optical n 3.0 1040 swivel Y 4000 5.0 Y n
Canon 1200D« »optical n 3.0 460 fixed n 4000 3.0 Y n
Canon 700D« »optical n 3.0 1040 swivel Y 4000 5.0 Y n
Canon G16« »optical n 3.0 922 fixed n 4000 2.2 Y Y
Canon M« »- n 3.0 1040 fixed Y 4000 4.3 n n
Canon 650D« »optical n 3.0 1040 swivel Y 4000 5.0 Y n
Canon 600D« »optical n 3.0 1040 swivel n 4000 3.7 Y n
Canon 500D« »optical n 3.0 920 fixed n 4000 3.4 Y n
Olympus E-M10 III« »2360 n 3.0 1040 tilting Y 4000 8.6 Y Y
Olympus E-PL8« »- n 3.0 1037 tilting Y 4000 8.0 n Y
Olympus E-PL7« »- n 3.0 1037 tilting Y 4000 8.0 n Y
Olympus E-M10« »1440 n 3.0 1037 tilting Y 4000 8.0 Y Y
Panasonic GX85« »2765 n 3.0 1040 tilting Y 4000 8.0 Y Y
Panasonic G6« »1440 n 3.0 1036 swivel Y 4000 7.0 Y n

Both the 100D and the E-M10 II have been discontinued, but can regularly be found used on eBay. The 100D was replaced by the Canon 200D, while the E-M10 II was followed by the Olympus E-M10 III.

Review summary: Canon 100D vs Olympus E-M10 II

So what is the bottom line? Which of the two cameras – the Canon 100D or the Olympus E-M10 II – has the upper hand? A synthesis of the relative strong points of each of the models is listed below.

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Reasons to prefer the Canon EOS 100D:

  • More detail: Offers more megapixels (17.9 vs 15.9MP) with a 8% higher linear resolution.
  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Longer lasting: Can take more shots (380 versus 320) on a single battery charge.
  • More affordable: Was introduced into a lower priced category (31 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in March 2013).

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Advantages 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 image quality: Scores markedly higher (10 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (1.3 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (1.2 EV of extra DR).
  • Better video: Provides higher movie framerates (1080/60p versus 1080/30p).
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • Faster burst: Shoots at higher frequency (8 vs 4.9 flaps/sec) to capture the decisive moment.
  • More legacy lens friendly: Can use many non-native lenses via adapters.
  • Sharper images: Has stabilization technology build-in to reduce the impact of hand-shake.
  • More modern: Reflects 2 years and 5 months of technical progress since the 100D launch.

If the count of relative strengths (bullet points above) is taken as a measure, the E-M10 II is the clear winner of the contest (11 : 6 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.

100D 06:11 E-M10 II

In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it says nothing about, for example, the handling, responsiveness, and overall imaging quality of the 100D and the E-M10 II in practical situations. 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 expert reviews are important. The table below summarizes the assessments of some of the best known camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, photographyblog). The detailed reviews can be accessed by clicking on the site logo in the table header.

Review scores
  Camera cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Canon 100D»Rec78/1004/54/54/5 Mar 2013 549- i
Olympus E-M10 II«HiRec80/1005/55/55/5 Aug 2015 799- i
Canon 4000D« »rev---3.5/5 Feb 2018 399 i i
Canon 200D« »HiRec78/1004.5/54.5/54.5/5 Jun 2017 549 i i
Canon 1200D« »Rec-4/54/54.5/5 Feb 2014 449- i
Canon 700D« »-76/1004.5/54.5/54.5/5 Mar 2013 649- i
Canon G16« »Rec-4.5/54.5/54.5/5 Aug 2013 549 i i
Canon M« »Rec-4/53.5/54/5 Jul 2012 599- i
Canon 650D« »HiRec77/1004.5/54.5/54.5/5 Jun 2012 849- i
Canon 600D« »rev77/1004.5/55/54.5/5 Feb 2011 599- i
Canon 500D« »HiRec74/1004.5/55/54.5/5 Mar 2009 799- i
Olympus E-M10 III« »Rec80/1004.5/5-4.5/5 Aug 2017 649 i i
Olympus E-PL8« »--4.5/5-4/5 Sep 2016 549- i
Olympus E-PL7« »Rec-5/54.5/54/5 Aug 2014 599- i
Olympus E-M10« »-80/1005/54.5/55/5 Jan 2014 699- i
Panasonic GX85« »HiRec82/1005/54.5/55/5 Apr 2016 799 i i
Panasonic G6« »HiRec-5/5-4.5/5 Apr 2013 599- i

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. 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, 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 your choice using the following search menu. An an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool. If you cannot find the camera you are interested in, please contact me, and I will try to locate and add the respective data to the application.

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