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Canon 5DS R vs Olympus E-M5 III

The Canon EOS 5DS R and the Olympus OM-D E-M5 Mark III are two digital cameras that were officially introduced, respectively, in February 2015 and October 2019. The 5DS R is a DSLR, while the E-M5 III is a mirrorless interchangeable lens camera. The cameras are based on a full frame (5DS R) and a Four Thirds (E-M5 III) sensor. The Canon has a resolution of 50.3 megapixels, whereas the Olympus provides 20.2 MP.

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

Headline Specifications
Canon 5DS R
versus
Olympus E-M5 III
Canon 5DS R   Olympus E-M5 III
Digital single lens reflex Mirrorless system camera
Canon EF mount lenses Micro Four Thirds lenses
50.3 MP – Full Frame sensor 20.2 MP – Four Thirds sensor
1080/30p Video 4K/30p Video
ISO 100-6,400 (50 - 12,800) ISO 200-25,600
Optical viewfinder Electronic viewfinder (2360k dots)
3.2" LCD – 1040k dots 3.0" LCD – 1040k dots
Fixed screen (not touch-sensitive) Swivel touchscreen
5 shutter flaps per second 10 shutter flaps per second
Lens stabilization onlyIn-body stabilization
Weathersealed bodyWeathersealed body
700 shots per battery charge310 shots per battery charge
152 x 116 x 76 mm, 930 g 125 x 85 x 50 mm, 414 g
logo
Check 5DS R offers at
ebay.com
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Check E-M5 III offers at
ebay.com

Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS 5DS R and the Olympus OM-D E-M5 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 side-by-side display below illustrates the physical size and weight of the Canon 5DS R and the Olympus E-M5 III. 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-M5 III can be obtained in two different colors (black, silver), while the 5DS R is only available in black.

Size Canon 5DS R vs Olympus E-M5 III
Compare 5DS R versus E-M5 III top
Comparison 5DS R or E-M5 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-M5 III is considerably smaller (40 percent) than the Canon 5DS R. Moreover, the E-M5 III is substantially lighter (55 percent) than the 5DS R. In this context, it is worth noting that both cameras are splash and dust-proof and can, hence, be used in inclement weather conditions or harsh environments.

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 (5DS R) and the Micro Four Thirds Lens Catalog (E-M5 III). Mirrorless cameras, such as the E-M5 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 5DS R gets 700 shots out of its Canon LP-E6 battery, while the E-M5 III can take 310 images on a single charge of its Olympus BLS-50 power pack. The power pack in the E-M5 III can be charged via the USB port, which can be very convenient when travelling.

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, you can move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.

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Body Specifications
# image Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon 5DS R 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 3,699ebay.com
2.
 
Olympus E-M5 III 125 mm 85 mm 50 mm 414 g 310 Y Oct 2019 1,199ebay.com
3.
 
Canon 1D X Mark II 158 mm 168 mm 83 mm 1530 g 1210 Y Feb 2016 5,999ebay.com
4.
 
Canon 5D Mark IV 151 mm 116 mm 76 mm 890 g 900 Y Aug 2016 3,499 amazon.com
5.
 
Canon 5DS 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 3,699ebay.com
6.
 
Canon 5D Mark III 152 mm 116 mm 76 mm 950 g 950 Y Mar 2012 3,499ebay.com
7.
 
Canon 6D 145 mm 111 mm 71 mm 770 g 1090 Y Sep 2012 2,099ebay.com
8.
 
Canon 5D Mark II 152 mm 114 mm 75 mm 850 g 850 Y Sep 2008 3,499ebay.com
9.
 
Canon 5D 152 mm 113 mm 75 mm 895 g 400 Y Aug 2005 3,299ebay.com
10.
 
Nikon D850 146 mm 124 mm 79 mm 1005 g 1840 Y Jul 2017 3,299 amazon.com
11.
 
Nikon D810 146 mm 123 mm 82 mm 980 g 1200 Y Jun 2014 3,299ebay.com
12.
 
Olympus PEN-F 125 mm 72 mm 37 mm 427 g 330 n Jan 2016 1,199ebay.com
13.
 
Olympus E-M5 II 124 mm 85 mm 45 mm 469 g 310 Y Feb 2015 1,099ebay.com
14.
 
Olympus E-M1 130 mm 94 mm 63 mm 497 g 350 Y Sep 2013 1,399ebay.com
15.
 
Olympus E-M5 122 mm 89 mm 43 mm 425 g 360 Y Feb 2012 1,299ebay.com
16.
 
Panasonic GX8 133 mm 78 mm 63 mm 487 g 330 Y Jul 2015 1,199ebay.com
17.
 
Sony A99 II 143 mm 104 mm 76 mm 849 g 490 Y Sep 2016 3,199ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
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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-M5 III was launched at a markedly lower price (by 68 percent) than the 5DS R, 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 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.

Of the two cameras under consideration, the Canon 5DS R features a full frame sensor and the Olympus E-M5 III a Four Thirds sensor. The sensor area in the E-M5 III is 74 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.0 and 2.0. The sensor in the 5DS R has a native 3:2 aspect ratio, while the one in the E-M5 III offers a 4:3 aspect.

Canon 5DS R and Olympus E-M5 III sensor measures

With 50.3MP, the 5DS R offers a higher resolution than the E-M5 III (20.2MP), but the 5DS R nevertheless has larger individual pixels (pixel pitch of 4.14μm versus 3.34μm for the E-M5 III) due to its larger sensor. However, the E-M5 III is a much more recent model (by 4 years and 8 months) than the 5DS R, and its sensor will 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 neither of the two cameras has an anti-alias filter installed, so they are able to capture all the detail the sensor resolves.

The resolution advantage of the Canon 5DS R implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the 5DS R for good quality output (200 dots per inch) amounts to 43.4 x 29 inches or 110.3 x 73.6 cm, for very good quality (250 dpi) 34.8 x 23.2 inches or 88.3 x 58.8 cm, and for excellent quality (300 dpi) 29 x 19.3 inches or 73.6 x 49 cm. The corresponding values for the Olympus E-M5 III are 25.9 x 19.4 inches or 65.8 x 49.4 cm for good quality, 20.7 x 15.6 inches or 52.7 x 39.5 cm for very good quality, and 17.3 x 13 inches or 43.9 x 32.9 cm for excellent quality prints.

The E-M5 III has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

Unlike the 5DS R, the E-M5 III has the capacity to capture high quality composite images (80MP) by combining multiple shots after shifting its sensor by miniscule distances. This multi-shot, pixel-shift mode is most suitable for photography of stationary objects (landscapes, studio scenes).

The Canon EOS 5DS R has a native sensitivity range from ISO 100 to ISO 6400, which can be extended to ISO 50-12800. The corresponding ISO settings for the Olympus OM-D E-M5 Mark III are ISO 200 to ISO 25600, with the possibility to increase the ISO range to 64-25600.

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.

5DS R versus E-M5 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.

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Sensor Characteristics
# image Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Canon 5DS R Full Frame 50.3 8688 57921080/30p24.612.4230886
2.
 
Olympus E-M5 III Four Thirds 20.2 5184 38884K/30p23.313.1132476
3.
 
Canon 1D X Mark II Full Frame 20.0 5472 36484K/60p24.113.5320788
4.
 
Canon 5D Mark IV Full Frame 30.1 6720 44804K/30p24.813.6299591
5.
 
Canon 5DS Full Frame 50.3 8688 57921080/30p24.712.4238187
6.
 
Canon 5D Mark III Full Frame 22.1 5760 38401080/30p24.011.7229381
7.
 
Canon 6D Full Frame 20.0 5472 36481080/30p23.812.1234082
8.
 
Canon 5D Mark II Full Frame 21.0 5616 37441080/30p23.711.9181579
9.
 
Canon 5D Full Frame 12.7 4368 2912none22.911.1136871
10.
 
Nikon D850 Full Frame 45.4 8256 55044K/30p26.414.82660100
11.
 
Nikon D810 Full Frame 36.2 7360 49121080/60p25.714.8285397
12.
 
Olympus PEN-F Four Thirds 20.2 5184 38881080/60p23.112.489474
13.
 
Olympus E-M5 II Four Thirds 15.9 4608 34561080/60p23.012.584273
14.
 
Olympus E-M1 Four Thirds 15.9 4608 34561080/30p23.012.775773
15.
 
Olympus E-M5 Four Thirds 15.9 4608 34561080/60i22.812.382671
16.
 
Panasonic GX8 Four Thirds 20.2 5184 38884K/30p23.512.680675
17.
 
Sony A99 II Full Frame 42.2 7952 53044K/30p25.413.4231792
Note: DXO values in italics represent estimates based on sensor size and age.
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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-M5 III provides a better video resolution than the 5DS R. It can shoot movie footage at 4K/30p, while the Canon is limited to 1080/30p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the E-M5 III has an electronic viewfinder (2360k dots), while the 5DS R 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 5DS R has a higher magnification than the one of the E-M5 III (0.71x vs 0.68x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The adjacent table lists some of the other core features of the Canon 5DS R and Olympus E-M5 III along with similar information for a selection of comparators.

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Core Features
# image 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 5DS Roptical Y3.2 / 1040 fixed n 1/8000s 5.0/s n n
2.
 
Olympus E-M5 III2360 n3.0 / 1040 swivel Y 1/8000s 10.0/s n Y
3.
 
Canon 1D X Mark IIoptical Y3.2 / 1620 fixed Y 1/8000s 16.0/s n n
4.
 
Canon 5D Mark IVoptical Y3.2 / 1620 fixed Y 1/8000s 7.0/s n n
5.
 
Canon 5DSoptical Y3.2 / 1040 fixed n 1/8000s 5.0/s n n
6.
 
Canon 5D Mark IIIoptical Y3.2 / 1040 fixed n 1/8000s 6.0/s n n
7.
 
Canon 6Doptical Y3.0 / 1040 fixed n 1/4000s 4.5/s n n
8.
 
Canon 5D Mark IIoptical Y3.0 / 920 fixed n 1/8000s 3.9/s n n
9.
 
Canon 5Doptical Y2.5 / 230 fixed n 1/8000s 3.0/s n n
10.
 
Nikon D850optical Y3.2 / 2359 tilting Y 1/8000s 9.0/s n n
11.
 
Nikon D810optical Y3.2 / 1229 fixed n 1/8000s 5.0/s Y n
12.
 
Olympus PEN-F2360 n3.0 / 1037 swivel Y 1/8000s 10.0/s n Y
13.
 
Olympus E-M5 II2360 n3.0 / 1037 swivel Y 1/8000s 10.0/s n Y
14.
 
Olympus E-M12360 n3.0 / 1037 tilting Y 1/8000s 10.0/s n Y
15.
 
Olympus E-M51440 n3.0 / 610 tilting Y 1/4000s 9.0/s n Y
16.
 
Panasonic GX82360 n3.0 / 1040 swivel Y 1/8000s 10.0/s n Y
17.
 
Sony A99 II2400 Y3.0 / 1229 full-flex n 1/8000s 12.0/s n Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
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One feature that is present on the 5DS R, but is missing on the E-M5 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 E-M5 III has an articulated screen that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in taking selfies. In contrast, the 5DS R 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, the E-M5 III 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 Canon 5DS R and the Olympus E-M5 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.

The 5DS R writes its imaging data to Compact Flash or SDXC cards, while the E-M5 III uses SDXC cards. The 5DS R features dual card slots, which can be very useful in case a memory card fails. In contrast, the E-M5 III only has one slot. The E-M5 III supports UHS-II cards (Ultra High Speed data transfer of up to 312 MB/s), while the 5DS R can use UHS-I cards (up to 104 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 5DS R and Olympus OM-D E-M5 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
# image Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Canon 5DS RYmono / monoY-mini3.0---
2.
 
Olympus E-M5 IIIYstereo / monoY-micro2.0Y-Y
3.
 
Canon 1D X Mark IIYmono / monoYYmini3.0---
4.
 
Canon 5D Mark IVYmono / monoYYmini3.0YY-
5.
 
Canon 5DSYmono / monoY-mini3.0---
6.
 
Canon 5D Mark IIIYmono / monoYYmini2.0---
7.
 
Canon 6DYmono / monoY-mini2.0Y--
8.
 
Canon 5D Mark IIYmono / monoY-mini2.0---
9.
 
Canon 5DY- / ----2.0---
10.
 
Nikon D850Ystereo / monoYYmini3.0YYY
11.
 
Nikon D810Ystereo / monoYYmini3.0Y--
12.
 
Olympus PEN-FYstereo / mono--micro2.0Y--
13.
 
Olympus E-M5 IIYstereo / monoY-micro2.0Y--
14.
 
Olympus E-M1Ystereo / monoY-micro2.0Y--
15.
 
Olympus E-M5Ystereo / mono--mini2.0---
16.
 
Panasonic GX8Ystereo / monoY-micro2.0YY-
17.
 
Sony A99 IIYstereo / monoYYmicro2.0YYY
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It is notable that the E-M5 III offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the 5DS R does not provide wifi capability.

Studio photographers will appreciate that the Canon 5DS R (unlike the E-M5 III) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the 5DS R and the E-M5 III have been discontinued, but can regularly be found used on ebay. The E-M5 III was replaced by the OM System OM-5, while the 5DS R does not have a direct successor. Further information on the features and operation of the 5DS R and E-M5 III can be found, respectively, in the Canon 5DS R Manual (free pdf) or the online Olympus E-M5 III Manual.

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Review summary

So what conclusions can be drawn? Is the Canon 5DS R better than the Olympus E-M5 III or vice versa? A synthesis of the relative strong points of each of the models is listed below.

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Arguments in favor of the Canon EOS 5DS R:

  • More detail: Offers more megapixels (50.3 vs 20.2MP) with a 61% higher linear resolution.
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.71x vs 0.68x).
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • Larger screen: Has a bigger rear LCD (3.2" vs 3.0") for image review and settings control.
  • Longer lasting: Can take more shots (700 versus 310) on a single battery charge.
  • Faster data transfer: Supports a more advanced USB protocol (3.0 vs 2.0).
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • More heavily discounted: Has been available for much longer (launched in February 2015).

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Advantages of the Olympus OM-D E-M5 Mark III:

  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Better video: Provides higher definition movie capture (4K/30p vs 1080/30p).
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster burst: Shoots at higher frequency (10 vs 5 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More compact: Is smaller (125x85mm vs 152x116mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 516g or 55 percent) and is thus easier to take along.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • 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.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • Faster buffer clearing: Supports a more advanced SD data transfer standard (UHS-II vs UHS-I).
  • More affordable: Was introduced into a lower priced category (68 percent cheaper at launch).
  • More modern: Reflects 4 years and 8 months of technical progress since the 5DS R launch.

If the count of relative strengths (bullet points above) is taken as a measure, the E-M5 III is the clear winner of the contest (19 : 10 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.

5DS R 10:19 E-M5 III

How about other alternatives? Do the specifications of the Canon 5DS R and the Olympus E-M5 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 partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the 5DS R or the E-M5 III. 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

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 (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
# image  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon 5DS R5/5+..83/1005/54.5/5 Feb 2015 3,699ebay.com
2.
 
Olympus E-M5 III5/5+5/582/1004.5/54.5/5 Oct 2019 1,199ebay.com
3.
 
Canon 1D X Mark II....4.5/589/1004.5/54.5/5 Feb 2016 5,999ebay.com
4.
 
Canon 5D Mark IV4.5/5+ +4/587/1004.5/54.5/5 Aug 2016 3,499 amazon.com
5.
 
Canon 5DS..+..83/1004.5/54.5/5 Feb 2015 3,699ebay.com
6.
 
Canon 5D Mark III..+ +..82/1004.5/54.5/5 Mar 2012 3,499ebay.com
7.
 
Canon 6D5/5+ +..83/1004.5/54.5/5 Sep 2012 2,099ebay.com
8.
 
Canon 5D Mark II4/591/100..79/1004/5.. Sep 2008 3,499ebay.com
9.
 
Canon 5D..88/100..+ +o.. Aug 2005 3,299ebay.com
10.
 
Nikon D8504.5/5+ +5/589/1004.5/55/5 Jul 2017 3,299 amazon.com
11.
 
Nikon D8105/5..5/586/1005/54.5/5 Jun 2014 3,299ebay.com
12.
 
Olympus PEN-F....4/582/1004.5/55/5 Jan 2016 1,199ebay.com
13.
 
Olympus E-M5 II5/5+ +4.5/581/1005/55/5 Feb 2015 1,099ebay.com
14.
 
Olympus E-M15/5+ +..84/1004.5/54.5/5 Sep 2013 1,399ebay.com
15.
 
Olympus E-M54/5+ +..80/1004.5/55/5 Feb 2012 1,299ebay.com
16.
 
Panasonic GX85/5+..82/1004.5/54.5/5 Jul 2015 1,199ebay.com
17.
 
Sony A99 II....4.5/585/1004.5/54.5/5 Sep 2016 3,199ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
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Care should be taken when interpreting the review scores above, though. The assessments were made in relation to similar cameras of the same technological generation. 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.

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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.

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    Specifications: Canon 5DS R vs Olympus E-M5 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 5DS R Olympus E-M5 III
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Canon EF mount lenses Micro Four Thirds lenses
    Launch Date February 2015 October 2019
    Launch Price USD 3,699 USD 1,199
    Sensor Specs Canon 5DS R Olympus E-M5 III
    Sensor Technology CMOS CMOS
    Sensor Format Full Frame Sensor Four Thirds Sensor
    Sensor Size 36.0 x 24.0 mm 17.3 x 13.0 mm
    Sensor Area 864 mm2 224.9 mm2
    Sensor Diagonal 43.3 mm 21.6 mm
    Crop Factor 1.0x 2.0x
    Sensor Resolution 50.3 Megapixels 20.2 Megapixels
    Image Resolution 8688 x 5792 pixels 5184 x 3888 pixels
    Pixel Pitch 4.14 μm 3.34 μm
    Pixel Density 5.82 MP/cm2 8.96 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 1080/30p Video 4K/30p Video
    ISO Setting 100 - 6,400 ISO 200 - 25,600 ISO
    ISO Boost 50 - 12,800 ISO 64 - 25,600 ISO
    Image Processor DIGIC 6 (Dual) TruePic VIII
    DXO Sensor Quality (score) 86 ..
    DXO Color Depth (bits) 24.6 ..
    DXO Dynamic Range (EV) 12.4 ..
    DXO Low Light (ISO) 2308 ..
    Screen Specs Canon 5DS R Olympus E-M5 III
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.71x 0.68x
    Viewfinder Resolution 2360k dots
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.2inch 3.0inch
    LCD Resolution 1040k dots 1040k dots
    LCD Attachment Fixed screen Swivel screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Canon 5DS R Olympus E-M5 III
    Focus System Phase-detect AF On-Sensor Phase-detect
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/8000s
    Continuous Shooting 5 shutter flaps/s 10 shutter flaps/s
    Electronic Shutterno E-Shutterup to 1/32000s
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium CF or SDXC cards SDXC cards
    Single or Dual Card Slots Dual card slots Single card slot
    UHS card support UHS-I UHS-II
    Connectivity Specs Canon 5DS R Olympus E-M5 III
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 3.0 USB 2.0
    HDMI Port mini HDMI micro HDMI
    Microphone Port External MIC port External MIC port
    Wifi Support no Wifi Wifi built-in
    Bluetooth Support no Bluetooth Bluetooth built-in
    Body Specs Canon 5DS R Olympus E-M5 III
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type Canon LP-E6 Olympus BLS-50
    Battery Life (CIPA)700 shots per charge310 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 152 x 116 x 76 mm
    (6.0 x 4.6 x 3.0 in)
    125 x 85 x 50 mm
    (4.9 x 3.3 x 2.0 in)
    Camera Weight 930 g (32.8 oz) 414 g (14.6 oz)
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