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Canon 90D vs Olympus E-M10 III

The Canon EOS 90D and the Olympus OM-D E-M10 Mark III are two digital cameras that were officially introduced, respectively, in August 2019 and August 2017. The 90D is a DSLR, while the E-M10 III is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (90D) and a Four Thirds (E-M10 III) sensor. The Canon has a resolution of 32.3 megapixels, whereas the Olympus provides 15.9 MP.

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

Headline Specifications
Canon 90D
versus
Olympus E-M10 III
Canon 90D   Olympus E-M10 III
Digital single lens reflex Mirrorless system camera
Canon EF mount lenses Micro Four Thirds lenses
32.3 MP – APS-C sensor 15.9 MP – Four Thirds sensor
4K/30p Video 4K/30p Video
ISO 100-25,600 (100 - 51,200) ISO 200-25,600
Optical viewfinder Electronic viewfinder (2360k dots)
3.0" LCD – 1040k dots 3.0" LCD – 1040k dots
Swivel touchscreen Tilting touchscreen
11 shutter flaps per second 8.6 shutter flaps per second
Lens stabilization onlyIn-body stabilization
Weathersealed bodynot weather sealed
1300 shots per battery charge330 shots per battery charge
141 x 105 x 77 mm, 701 g 122 x 84 x 50 mm, 410 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS 90D and the Olympus OM-D E-M10 Mark III? 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.

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Body comparison

The physical size and weight of the Canon 90D and the Olympus E-M10 III are illustrated 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 measures are rounded to the nearest millimeter.

The E-M10 III can be obtained in two different colors (black, silver), while the 90D is only available in black.

Size Canon 90D vs Olympus E-M10 III
Compare 90D versus E-M10 III top
Comparison 90D or E-M10 III 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 III is considerably smaller (31 percent) than the Canon 90D. Moreover, the E-M10 III is substantially lighter (42 percent) than the 90D. It is worth mentioning in this context that the 90D is splash and dust resistant, while the E-M10 III 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. A larger imaging sensor will tend to go along with bigger and heavier lenses, although exceptions exist. You can compare the optics available for the two cameras in the Canon EF Lens Catalog (90D) and the Micro Four Thirds Lens Catalog (E-M10 III). Mirrorless cameras, such as the E-M10 III, 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 90D gets 1300 shots out of its Canon LP-E6N battery, while the E-M10 III can take 330 images on a single charge of its Olympus BLS-50 power pack.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. In case you want to display and compare another camera duo, you can use the CAM-parator app to select your camera combination among a large number of options.

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Body Specifications
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon 90D 141 mm 105 mm 77 mm 701 g 1300 Y Aug 2019 1,199 amazon.com
2.
 
Olympus E-M10 III 122 mm 84 mm 50 mm 410 g 330 n Aug 2017 649ebay.com
3.
 
Canon 7D II 149 mm 112 mm 78 mm 910 g 670 Y Sep 2014 1,799ebay.com
4.
 
Canon 30D 144 mm 106 mm 74 mm 785 g 750 n Feb 2006 1,399ebay.com
5.
 
Canon 40D 146 mm 108 mm 74 mm 822 g 750 n Aug 2007 1,299ebay.com
6.
 
Canon 50D 146 mm 108 mm 74 mm 822 g 800 Y Aug 2008 1,299ebay.com
7.
 
Canon 60D 145 mm 106 mm 79 mm 755 g 1100 Y Aug 2010 1,399ebay.com
8.
 
Canon 70D 139 mm 104 mm 79 mm 755 g 920 Y Jul 2013 1,199ebay.com
9.
 
Canon 80D 139 mm 105 mm 79 mm 730 g 960 Y Feb 2016 1,199ebay.com
10.
 
Canon G3 X 123 mm 77 mm 105 mm 733 g 300 Y Jun 2015 999ebay.com
11.
 
Canon R 139 mm 98 mm 84 mm 660 g 370 Y Sep 2018 2,299ebay.com
12.
 
Canon T5i 133 mm 100 mm 79 mm 580 g 440 n Mar 2013 649ebay.com
13.
 
Olympus E-M10 II 120 mm 83 mm 47 mm 390 g 320 n Aug 2015 649ebay.com
14.
 
Olympus E-M10 IV 122 mm 84 mm 49 mm 383 g 360 n Aug 2020 699 amazon.com
15.
 
Olympus E-PL8 115 mm 67 mm 38 mm 357 g 350 n Sep 2016 549ebay.com
16.
 
Olympus E-PL9 117 mm 68 mm 39 mm 380 g 350 n Feb 2018 599ebay.com
17.
 
Olympus E-PL10 117 mm 68 mm 39 mm 380 g 350 n Oct 2019 599ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

The price is, of course, an important factor in any camera decision. The retail prices at the time of the camera’s release place the model in the market relative to other models in the producer’s line-up and the competition. The E-M10 III was launched at a markedly lower price (by 46 percent) than the 90D, 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 imaging sensor is a crucial determinant of image quality. A large sensor will generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have 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 are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Canon 90D features an APS-C sensor and the Olympus E-M10 III a Four Thirds sensor. The sensor area in the E-M10 III is 33 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 90D has a native 3:2 aspect ratio, while the one in the E-M10 III offers a 4:3 aspect.

Canon 90D and Olympus E-M10 III sensor measures

With 32.3MP, the 90D offers a higher resolution than the E-M10 III (15.9MP), but the 90D has smaller individual pixels (pixel pitch of 3.23μm versus 3.76μm for the E-M10 III). However, the 90D is a somewhat more recent model (by 1 year and 11 months) than the E-M10 III, and its sensor might have benefitted from technological advances during this time that enhance the light gathering capacity of its pixels. 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 Canon 90D implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the 90D for good quality output (200 dots per inch) amounts to 34.8 x 23.2 inches or 88.4 x 58.9 cm, for very good quality (250 dpi) 27.8 x 18.6 inches or 70.7 x 47.1 cm, and for excellent quality (300 dpi) 23.2 x 15.5 inches or 58.9 x 39.3 cm. The corresponding values for the Olympus E-M10 III are 23 x 17.3 inches or 58.5 x 43.9 cm for good quality, 18.4 x 13.8 inches or 46.8 x 35.1 cm for very good quality, and 15.4 x 11.5 inches or 39 x 29.3 cm for excellent quality prints.

The 90D has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Canon EOS 90D has a native sensitivity range from ISO 100 to ISO 25600, which can be extended to ISO 100-51200. The corresponding ISO settings for the Olympus OM-D E-M10 Mark III are ISO 200 to ISO 25600, with the possibility to increase the ISO range to 100-25600.

Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

90D versus E-M10 III MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. 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 following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

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Sensor Characteristics
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Canon 90D APS-C 32.3 6960 46404K/30p24.013.5184883
2.
 
Olympus E-M10 III Four Thirds 15.9 4608 34564K/30p23.112.8112074
3.
 
Canon 7D II APS-C 20.0 5472 36481080/60p22.411.8108270
4.
 
Canon 30D APS-C 8.2 3504 2336none21.510.873659
5.
 
Canon 40D APS-C 10.1 3888 2592none22.111.370364
6.
 
Canon 50D APS-C 15.1 4752 3168none21.811.469663
7.
 
Canon 60D APS-C 17.9 5184 34561080/30p22.211.581366
8.
 
Canon 70D APS-C 20.0 5472 36481080/30p22.511.692668
9.
 
Canon 80D APS-C 24.0 6000 40001080/60p23.613.2113579
10.
 
Canon G3 X 1-inch 20.0 5472 36481080/60p21.412.352163
11.
 
Canon R Full Frame 30.1 6720 44804K/30p24.513.5274289
12.
 
Canon T5i APS-C 17.9 5184 34561080/30p21.711.268161
13.
 
Olympus E-M10 II Four Thirds 15.9 4608 34561080/60p23.112.584273
14.
 
Olympus E-M10 IV Four Thirds 20.2 5184 38884K/30p23.313.2140276
15.
 
Olympus E-PL8 Four Thirds 15.9 4608 34561080/30p23.012.6103073
16.
 
Olympus E-PL9 Four Thirds 15.9 4608 34564K/30p23.112.8116274
17.
 
Olympus E-PL10 Four Thirds 15.9 4608 34564K/30p23.313.1132476
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras cannot only take still pictures, but also record videos. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, and both provide the same movie specifications (4K/30p).

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Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the E-M10 III has an electronic viewfinder (2360k dots), while the 90D 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 viewfinders of both cameras offer the same field of view (100%), but the viewfinder of the E-M10 III has a higher magnification than the one of the 90D (0.62x vs 0.59x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The table below summarizes some of the other core capabilities of the Canon 90D and Olympus E-M10 III in connection with corresponding information for a sample of similar cameras.

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Core Features
  empty Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Max
Shutter
Speed *
Max
Shutter
Flaps *
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Canon 90Doptical Y3.0 / 1040 swivel Y 1/8000s 11.0/s Y n
2.
 
Olympus E-M10 III2360 n3.0 / 1040 tilting Y 1/4000s 8.6/s Y Y
3.
 
Canon 7D IIoptical Y3.0 / 1040 fixed n 1/8000s 10.0/s Y n
4.
 
Canon 30Doptical Y2.5 / 230 fixed n 1/8000s 5.0/s Y n
5.
 
Canon 40Doptical Y3.0 / 230 fixed n 1/8000s 6.5/s Y n
6.
 
Canon 50Doptical Y3.0 / 920 fixed n 1/8000s 6.3/s Y n
7.
 
Canon 60Doptical Y3.0 / 1040 swivel n 1/8000s 5.3/s Y n
8.
 
Canon 70Doptical Y3.0 / 1040 swivel Y 1/8000s 7.0/s Y n
9.
 
Canon 80Doptical Y3.0 / 1040 swivel Y 1/8000s 7.0/s Y n
10.
 
Canon G3 Xoptional n3.2 / 1620 tilting Y 1/2000s 5.9/s Y Y
11.
 
Canon R3690 Y3.2 / 2100 swivel Y 1/8000s 8.0/s n n
12.
 
Canon T5ioptical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
13.
 
Olympus E-M10 II2360 n3.0 / 1040 tilting Y 1/4000s 8.0/s Y Y
14.
 
Olympus E-M10 IV2360 n3.0 / 1040 tilting Y 1/4000s 15.0/s Y Y
15.
 
Olympus E-PL8optional n3.0 / 1037 tilting Y 1/4000s 8.0/s n Y
16.
 
Olympus E-PL9none n3.0 / 1040 tilting Y 1/4000s 8.6/s Y Y
17.
 
Olympus E-PL10none n3.0 / 1040 tilting Y 1/4000s 8.6/s Y Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One feature that is present on the 90D, but is missing on the E-M10 III is a top-level LCD. While being, of course, smaller than the rear screen, the control panel conveys some of the essential shooting information and can be convenient for quick and easy settings verification.

The 90D has an articulated LCD that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in snapping selfies. In contrast, the E-M10 III does not have a selfie-screen.

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, both cameras under consideration feature an 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 Canon 90D and the Olympus E-M10 III both have 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.

Concerning the storage of imaging data, both the 90D and the E-M10 III write their files to SDXC cards. Both cameras support UHS-II cards, which provide for Ultra High Speed data transfer of up to 312 MB/s.

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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 Canon EOS 90D and Olympus OM-D E-M10 Mark III and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  empty Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Canon 90DYstereo / monoYYmini2.0Y-Y
2.
 
Olympus E-M10 IIIYstereo / mono--micro2.0Y--
3.
 
Canon 7D IIYstereo / monoYYmini3.0---
4.
 
Canon 30DY- / ----2.0---
5.
 
Canon 40DY- / ----2.0---
6.
 
Canon 50DY- / ---mini2.0---
7.
 
Canon 60DYmono / monoY-mini2.0---
8.
 
Canon 70DYstereo / monoY-mini2.0Y--
9.
 
Canon 80DYstereo / monoYYmini2.0YY-
10.
 
Canon G3 XYstereo / monoYYmini2.0YY-
11.
 
Canon RYstereo / monoYYmini3.1Y-Y
12.
 
Canon T5iYstereo / monoY-mini2.0---
13.
 
Olympus E-M10 IIYstereo / mono--micro2.0Y--
14.
 
Olympus E-M10 IVYstereo / mono--micro2.0Y-Y
15.
 
Olympus E-PL8Ystereo / mono--micro2.0Y--
16.
 
Olympus E-PL9Ystereo / mono--micro2.0Y-Y
17.
 
Olympus E-PL10Ystereo / mono--micro2.0Y-Y

It is notable that the 90D has a microphone port, which is missing on the E-M10 III. Such an external microphone input can help to substantially improve the quality of audio recordings when a good external microphone is used.

The 90D is a recent model that features in the current product line-up of Canon. In contrast, the E-M10 III has been discontinued (but can be found pre-owned on ebay). As a replacement in the same line of cameras, the E-M10 III was succeeded by the Olympus E-M10 IV. Further information on the features and operation of the 90D and E-M10 III can be found, respectively, in the Canon 90D Manual (free pdf) or the online Olympus E-M10 III Manual.

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Review summary

So what is the bottom line? Is there a clear favorite between the Canon 90D and the Olympus E-M10 III? Which camera is better? A synthesis of the relative strong points of each of the models is listed below.

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Advantages of the Canon EOS 90D:

  • More detail: Offers more megapixels (32.3 vs 15.9MP) with a 45% higher linear resolution.
  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Better image quality: Features a larger and more technologically advanced imaging sensor.
  • Richer colors: The sensor size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger sensor captures a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger sensor produces good images even in poorly lit environments.
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (11 vs 8.6 flaps/sec) to capture the decisive moment.
  • Longer lasting: Can take more shots (1300 versus 330) on a single battery charge.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • More modern: Is somewhat more recent (announced 1 year and 11 months after the E-M10 III).

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

  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.62x vs 0.59x).
  • More compact: Is smaller (122x84mm vs 141x105mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 291g or 42 percent) and is thus easier to take along.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • More legacy lens friendly: Can use many non-native lenses via adapters.
  • More affordable: Was introduced into a lower priced category (46 percent cheaper at launch).
  • More heavily discounted: Has been on the market for longer (launched in August 2017).

If the number of relative strengths (bullet points above) is taken as a guide, the 90D is the clear winner of the match-up (19 : 9 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 sports photographer will view the differences between cameras in a way that diverges from the perspective of a street photog, and a person interested in family portraits has distinct needs from a landscape shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

90D 19:09 E-M10 III

How about other alternatives? Do the specifications of the Canon 90D and the Olympus E-M10 III place the cameras among the top in their class? Find out in the latest Best DSLR Camera and Best Mirrorless Interchangeable Lens 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 incomplete and does no justice, for example, to the way the 90D or the E-M10 III 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.

Expert reviews

This is why hands-on reviews by experts are important. The table below provides a synthesis of the camera assessments of some of the best known photo-gear review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). 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.

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Expert Camera Reviews
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon 90D4/5+4.5/585/1004.5/54.5/5 Aug 2019 1,199 amazon.com
2.
 
Olympus E-M10 III..+5/580/1004.5/54.5/5 Aug 2017 649ebay.com
3.
 
Canon 7D II4.5/5+3.5/584/1004/54.5/5 Sep 2014 1,799ebay.com
4.
 
Canon 30D..+ +..+ +o.. Feb 2006 1,399ebay.com
5.
 
Canon 40D..+ +..+ +4.5/54.5/5 Aug 2007 1,299ebay.com
6.
 
Canon 50D..+ +..+ +4.5/54.5/5 Aug 2008 1,299ebay.com
7.
 
Canon 60D5/5+..79/1004/54.5/5 Aug 2010 1,399ebay.com
8.
 
Canon 70D5/5+ +..83/1004.5/55/5 Jul 2013 1,199ebay.com
9.
 
Canon 80D4/5+ +4.5/584/1004.5/54.5/5 Feb 2016 1,199ebay.com
10.
 
Canon G3 X3.5/5+....4.5/54/5 Jun 2015 999ebay.com
11.
 
Canon R4/5o4/579/1004.5/54/5 Sep 2018 2,299ebay.com
12.
 
Canon T5i......76/1004.5/54.5/5 Mar 2013 649ebay.com
13.
 
Olympus E-M10 II4.5/5+ +..80/1005/55/5 Aug 2015 649ebay.com
14.
 
Olympus E-M10 IV4.5/5..5/581/1004.5/54.5/5 Aug 2020 699 amazon.com
15.
 
Olympus E-PL8........4.5/54/5 Sep 2016 549ebay.com
16.
 
Olympus E-PL9..+....4.5/54/5 Feb 2018 599ebay.com
17.
 
Olympus E-PL10....4/577/100..4/5 Oct 2019 599ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The review scores listed above should be treated 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. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and comparisons of ratings among very different cameras or across long time periods have little meaning. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

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Other camera comparisons

Did this review help to inform your camera decision process? If you would like to see a different side-by-side camera review, just make a corresponding selection in the search boxes below. 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: Canon 90D vs Olympus E-M10 III

    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 Canon 90D Olympus E-M10 III
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Canon EF mount lenses Micro Four Thirds lenses
    Launch Date August 2019 August 2017
    Launch Price USD 1,199 USD 649
    Sensor Specs Canon 90D Olympus E-M10 III
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor Four Thirds Sensor
    Sensor Size 22.5 x 15.0 mm 17.3 x 13.0 mm
    Sensor Area 337.5 mm2 224.9 mm2
    Sensor Diagonal 27 mm 21.6 mm
    Crop Factor 1.6x 2.0x
    Sensor Resolution 32.3 Megapixels 15.9 Megapixels
    Image Resolution 6960 x 4640 pixels 4608 x 3456 pixels
    Pixel Pitch 3.23 μm 3.76 μm
    Pixel Density 9.57 MP/cm2 7.08 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 4K/30p Video 4K/30p Video
    ISO Setting 100 - 25,600 ISO 200 - 25,600 ISO
    ISO Boost 100 - 51,200 ISO 100 - 25,600 ISO
    Image Processor DIGIC 8 TruePic VIII
    Screen Specs Canon 90D Olympus E-M10 III
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.59x 0.62x
    Viewfinder Resolution 2360k dots
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1040k dots 1040k dots
    LCD Attachment Swivel screen Tilting screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Canon 90D Olympus E-M10 III
    Focus System Phase-detect AF Contrast-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/4000s
    Continuous Shooting 11 shutter flaps/s 8.6 shutter flaps/s
    Electronic Shutterup to 1/16000sup to 1/16000s
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash Built-in Flash Built-in Flash
    Storage Medium SDXC cards SDXC cards
    Single or Dual Card Slots Single card slot Single card slot
    UHS card support UHS-II UHS-II
    Connectivity Specs Canon 90D Olympus E-M10 III
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI micro HDMI
    Microphone Port External MIC port no MIC socket
    Headphone Socket Headphone port no Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Bluetooth Support Bluetooth built-in no Bluetooth
    Body Specs Canon 90D Olympus E-M10 III
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type Canon LP-E6N Olympus BLS-50
    Battery Life (CIPA)1300 shots per charge330 shots per charge
    Body Dimensions 141 x 105 x 77 mm
    (5.6 x 4.1 x 3.0 in)
    122 x 84 x 50 mm
    (4.8 x 3.3 x 2.0 in)
    Camera Weight 701 g (24.7 oz) 410 g (14.5 oz)
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