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Canon 5D Mark III vs Olympus E-P7

The Canon EOS 5D Mark III and the Olympus PEN E-P7 are two digital cameras that were revealed to the public, respectively, in March 2012 and June 2021. The 5D Mark III is a DSLR, while the E-P7 is a mirrorless interchangeable lens camera. The cameras are based on a full frame (5D Mark III) and a Four Thirds (E-P7) sensor. The Canon has a resolution of 22.1 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 5D Mark III
versus
Olympus E-P7
Canon 5D Mark III   Olympus E-P7
Digital single lens reflex Mirrorless system camera
Canon EF mount lenses Micro Four Thirds lenses
22.1 MP – Full Frame sensor 20.2 MP – Four Thirds sensor
1080/30p Video 4K/30p Video
ISO 100-25,600 (50 - 102,400) ISO 200-25,600
Optical viewfinder No viewfinder, LCD framing
3.2" LCD – 1040k dots 3.0" LCD – 1040k dots
Fixed screen (not touch-sensitive) Tilting touchscreen
6 shutter flaps per second 8.7 shutter flaps per second
Lens stabilization onlyIn-body stabilization
Weathersealed bodynot weather sealed
950 shots per battery charge360 shots per battery charge
152 x 116 x 76 mm, 950 g 118 x 69 x 38 mm, 337 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS 5D Mark III and the Olympus PEN E-P7? 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 5D Mark III and the Olympus E-P7. 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 dimensions are rounded to the nearest millimeter.

The E-P7 can be obtained in three different colors (black, silver, white), while the 5D Mark III is only available in black.

Size Canon 5D Mark III vs Olympus E-P7
Compare 5D Mark III versus E-P7 top
Comparison 5D Mark III or E-P7 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Olympus E-P7 is considerably smaller (54 percent) than the Canon 5D Mark III. Moreover, the E-P7 is substantially lighter (65 percent) than the 5D Mark III. It is worth mentioning in this context that the 5D Mark III is splash and dust resistant, while the E-P7 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 (5D Mark III) and the Micro Four Thirds Lens Catalog (E-P7). Mirrorless cameras, such as the E-P7, 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 5D Mark III gets 950 shots out of its Canon LP-E6 battery, while the E-P7 can take 360 images on a single charge of its Olympus BLS-50 power pack.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. 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
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price
Street
Price
1.
 
Canon 5D Mark III 152 mm 116 mm 76 mm 950 g 950 Y Mar 2012 US$ 3 499ebay.com
2.
 
Olympus E-P7 118 mm 69 mm 38 mm 337 g 360 n Jun 2021 US$ 799 amazon.com
3.
 
Canon 1D X Mark II 158 mm 168 mm 83 mm 1530 g 1210 Y Feb 2016 US$ 5 999ebay.com
4.
 
Canon 5D 152 mm 113 mm 75 mm 895 g 400 Y Aug 2005 US$ 3 299ebay.com
5.
 
Canon 5D Mark II 152 mm 114 mm 75 mm 850 g 850 Y Sep 2008 US$ 3 499ebay.com
6.
 
Canon 5D Mark IV 151 mm 116 mm 76 mm 890 g 900 Y Aug 2016 US$ 3 499 amazon.com
7.
 
Canon 5DS 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 US$ 3 699ebay.com
8.
 
Canon 5DS R 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 US$ 3 699ebay.com
9.
 
Canon 6D 145 mm 111 mm 71 mm 770 g 1090 Y Sep 2012 US$ 2 099ebay.com
10.
 
Canon 6D Mark II 144 mm 111 mm 75 mm 765 g 1200 Y Jun 2017 US$ 1 999 amazon.com
11.
 
Canon 7D II 149 mm 112 mm 78 mm 910 g 670 Y Sep 2014 US$ 1 799ebay.com
12.
 
Canon 70D 139 mm 104 mm 79 mm 755 g 920 Y Jul 2013 US$ 1 199ebay.com
13.
 
Olympus E-M10 119 mm 82 mm 46 mm 396 g 320 n Jan 2014 US$ 699ebay.com
14.
 
Olympus E-M10 IV 122 mm 84 mm 49 mm 383 g 360 n Aug 2020 US$ 699 amazon.com
15.
 
Olympus E-P2 121 mm 70 mm 36 mm 355 g 300 n Nov 2009 US$ 799ebay.com
16.
 
Olympus E-P3 122 mm 69 mm 34 mm 369 g 330 n Jun 2011 US$ 799ebay.com
17.
 
Olympus E-P5 122 mm 69 mm 37 mm 420 g 330 n May 2013 US$ 999ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

Any camera decision will naturally be influenced heavily by the price. The manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The E-P7 was launched at a markedly lower price (by 77 percent) than the 5D Mark III, 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.

Sensor comparison

The size of the imaging sensor is a crucial determinant 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. 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 Canon 5D Mark III features a full frame sensor and the Olympus E-P7 a Four Thirds sensor. The sensor area in the E-P7 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 5D Mark III has a native 3:2 aspect ratio, while the one in the E-P7 offers a 4:3 aspect.

Canon 5D Mark III and Olympus E-P7 sensor measures

With 22.1MP, the 5D Mark III offers a slightly higher resolution than the E-P7 (20.2MP), but the 5D Mark III nevertheless has larger individual pixels (pixel pitch of 6.25μm versus 3.34μm for the E-P7) due to its larger sensor. However, the E-P7 is a much more recent model (by 9 years and 3 months) than the 5D Mark III, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixels.

The resolution advantage of the Canon 5D Mark III implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the 5D Mark III for good quality output (200 dots per inch) amounts to 28.8 x 19.2 inches or 73.2 x 48.8 cm, for very good quality (250 dpi) 23 x 15.4 inches or 58.5 x 39 cm, and for excellent quality (300 dpi) 19.2 x 12.8 inches or 48.8 x 32.5 cm. The corresponding values for the Olympus E-P7 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 Canon EOS 5D Mark III has a native sensitivity range from ISO 100 to ISO 25600, which can be extended to ISO 50-102400. The corresponding ISO settings for the Olympus PEN E-P7 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.

5D Mark III versus E-P7 MP

For many cameras, data on sensor performance has been reported by DXO Mark. 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 table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.

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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 5D Mark III Full Frame 22.1 5760 38401080/30p24.011.7229381
2.
 
Olympus E-P7 Four Thirds 20.2 5184 38884K/30p23.413.3149477
3.
 
Canon 1D X Mark II Full Frame 20.0 5472 36484K/60p24.113.5320788
4.
 
Canon 5D Full Frame 12.7 4368 2912none22.911.1136871
5.
 
Canon 5D Mark II Full Frame 21.0 5616 37441080/30p23.711.9181579
6.
 
Canon 5D Mark IV Full Frame 30.1 6720 44804K/30p24.813.6299591
7.
 
Canon 5DS Full Frame 50.3 8688 57921080/30p24.712.4238187
8.
 
Canon 5DS R Full Frame 50.3 8688 57921080/30p24.612.4230886
9.
 
Canon 6D Full Frame 20.0 5472 36481080/30p23.812.1234082
10.
 
Canon 6D Mark II Full Frame 26.0 6240 41601080/60p24.411.9286285
11.
 
Canon 7D II APS-C 20.0 5472 36481080/60p22.411.8108270
12.
 
Canon 70D APS-C 20.0 5472 36481080/30p22.511.692668
13.
 
Olympus E-M10 Four Thirds 15.9 4608 34561080/30p22.812.388472
14.
 
Olympus E-M10 IV Four Thirds 20.2 5184 38884K/30p23.313.2140276
15.
 
Olympus E-P2 Four Thirds 12.2 4032 3024720/30p21.510.450556
16.
 
Olympus E-P3 Four Thirds 12.2 4032 30241080/60i20.810.153651
17.
 
Olympus E-P5 Four Thirds 15.9 4608 34561080/30p22.812.489572
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras are not only capable of taking still images, but can also record movies. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the E-P7 provides a better video resolution than the 5D Mark III. 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 5D Mark III has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the E-P7 relies on live view and the rear LCD for framing. The following table reports on some other key feature differences and similarities of the Canon 5D Mark III, the Olympus E-P7, and comparable 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 5D Mark IIIoptical Y3.2 / 1040 fixed n 1/8000s 6.0/s n n
2.
 
Olympus E-P7none n3.0 / 1040 tilting Y 1/4000s 8.7/s Y Y
3.
 
Canon 1D X Mark IIoptical Y3.2 / 1620 fixed Y 1/8000s 16.0/s n n
4.
 
Canon 5Doptical Y2.5 / 230 fixed n 1/8000s 3.0/s n n
5.
 
Canon 5D Mark IIoptical Y3.0 / 920 fixed n 1/8000s 3.9/s n n
6.
 
Canon 5D Mark IVoptical Y3.2 / 1620 fixed Y 1/8000s 7.0/s n n
7.
 
Canon 5DSoptical Y3.2 / 1040 fixed n 1/8000s 5.0/s n n
8.
 
Canon 5DS Roptical Y3.2 / 1040 fixed n 1/8000s 5.0/s n n
9.
 
Canon 6Doptical Y3.0 / 1040 fixed n 1/4000s 4.5/s n n
10.
 
Canon 6D Mark IIoptical Y3.0 / 1040 swivel Y 1/4000s 6.5/s n n
11.
 
Canon 7D IIoptical Y3.0 / 1040 fixed n 1/8000s 10.0/s Y n
12.
 
Canon 70Doptical Y3.0 / 1040 swivel Y 1/8000s 7.0/s Y n
13.
 
Olympus E-M101440 n3.0 / 1037 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-P2optional n3.0 / 230 fixed n 1/4000s 3.0/s n Y
16.
 
Olympus E-P3optional n3.0 / 614 fixed Y 1/4000s 3.0/s Y Y
17.
 
Olympus E-P5optional n3.0 / 1037 tilting Y 1/8000s 9.0/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 5D Mark III, but is missing on the E-P7 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-P7 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 5D Mark 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, the E-P7 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 Olympus E-P7 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 5D Mark III writes its imaging data to Compact Flash or SDXC cards, while the E-P7 uses SDXC cards. The 5D Mark III features dual card slots, which can be very useful in case a memory card fails. In contrast, the E-P7 only has one slot. The E-P7 supports UHS-II cards (Ultra High Speed data transfer of up to 312 MB/s), while the 5D Mark III cannot take advantage of Ultra High Speed SD cards.

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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 5D Mark III and Olympus PEN E-P7 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 5D Mark IIIYmono / monoYYmini2.0---
2.
 
Olympus E-P7Ystereo / mono--micro2.0Y-Y
3.
 
Canon 1D X Mark IIYmono / monoYYmini3.0---
4.
 
Canon 5DY- / ----2.0---
5.
 
Canon 5D Mark IIYmono / monoY-mini2.0---
6.
 
Canon 5D Mark IVYmono / monoYYmini3.0YY-
7.
 
Canon 5DSYmono / monoY-mini3.0---
8.
 
Canon 5DS RYmono / monoY-mini3.0---
9.
 
Canon 6DYmono / monoY-mini2.0Y--
10.
 
Canon 6D Mark IIYstereo / monoY-mini2.0YYY
11.
 
Canon 7D IIYstereo / monoYYmini3.0---
12.
 
Canon 70DYstereo / monoY-mini2.0Y--
13.
 
Olympus E-M10Ystereo / mono--micro2.0Y--
14.
 
Olympus E-M10 IVYstereo / mono--micro2.0Y-Y
15.
 
Olympus E-P2Ystereo / ---mini2.0---
16.
 
Olympus E-P3Ystereo / ---mini2.0---
17.
 
Olympus E-P5Ystereo / mono--micro2.0Y--

It is notable that the 5D Mark III has a microphone port, which is missing on the E-P7. Such an external microphone input can help to substantially improve the quality of audio recordings when a good external microphone is used.

Studio photographers will appreciate that the Canon 5D Mark III (unlike the E-P7) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

The E-P7 is a recent model that features in the current product line-up of Olympus. In contrast, the 5D Mark III has been discontinued (but can be found pre-owned on ebay). As a replacement in the same line of cameras, the 5D Mark III was succeeded by the Canon 5D Mark IV. Further information on the features and operation of the 5D Mark III and E-P7 can be found, respectively, in the Canon 5D Mark III Manual (free pdf) or the online Olympus E-P7 Manual.

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Review summary

So what is the bottom line? Is there a clear favorite between the Canon 5D Mark III and the Olympus E-P7? Which camera is better? 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 5D Mark III:

  • More detail: Offers more megapixels (22.1 vs 20.2MP) with a 7% higher linear resolution.
  • 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.
  • Easier framing: Has an optical viewfinder for image composition and settings control.
  • 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.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Longer lasting: Can take more shots (950 versus 360) on a single battery charge.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • 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 March 2012).

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Reasons to prefer the Olympus PEN E-P7:

  • Better video: Provides higher definition movie capture (4K/30p vs 1080/30p).
  • More flexible LCD: Has a tilting screen for odd-angle shots in 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 (8.7 vs 6 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • More compact: Is smaller (118x69mm vs 152x116mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 613g or 65 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.
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • 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: Has an SD card interface that supports the UHS-II standard.
  • More affordable: Was introduced into a lower priced category (77 percent cheaper at launch).
  • More modern: Reflects 9 years and 3 months of technical progress since the 5D Mark III launch.

If the number of relative strengths (bullet points above) is taken as a guide, the E-P7 is the clear winner of the contest (17 : 12 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. 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.

5D Mark III 12:17 E-P7

How about other alternatives? Do the specifications of the Canon 5D Mark III and the Olympus E-P7 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 comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the 5D Mark III or the E-P7. 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 hands-on reviews by experts 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
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price
Street
Price
1.
 
Canon 5D Mark III..+ +..82/1004.5/54.5/5 Mar 2012 US$ 3 499ebay.com
2.
 
Olympus E-P74/5..4.5/5....4.5/5 Jun 2021 US$ 799 amazon.com
3.
 
Canon 1D X Mark II....4.5/589/1004.5/54.5/5 Feb 2016 US$ 5 999ebay.com
4.
 
Canon 5D..88/100..+ +o.. Aug 2005 US$ 3 299ebay.com
5.
 
Canon 5D Mark II4/591/100..79/1004/5.. Sep 2008 US$ 3 499ebay.com
6.
 
Canon 5D Mark IV4.5/5+ +4/587/1004.5/54.5/5 Aug 2016 US$ 3 499 amazon.com
7.
 
Canon 5DS..+..83/1004.5/54.5/5 Feb 2015 US$ 3 699ebay.com
8.
 
Canon 5DS R5/5+..83/1005/54.5/5 Feb 2015 US$ 3 699ebay.com
9.
 
Canon 6D5/5+ +..83/1004.5/54.5/5 Sep 2012 US$ 2 099ebay.com
10.
 
Canon 6D Mark II4/5+4/580/1004.5/54/5 Jun 2017 US$ 1 999 amazon.com
11.
 
Canon 7D II4.5/5+3.5/584/1004/54.5/5 Sep 2014 US$ 1 799ebay.com
12.
 
Canon 70D5/5+ +..83/1004.5/55/5 Jul 2013 US$ 1 199ebay.com
13.
 
Olympus E-M104/5....80/1005/55/5 Jan 2014 US$ 699ebay.com
14.
 
Olympus E-M10 IV4.5/5..5/581/1004.5/54.5/5 Aug 2020 US$ 699 amazon.com
15.
 
Olympus E-P23/5+..69/1004/54.5/5 Nov 2009 US$ 799ebay.com
16.
 
Olympus E-P3..83/100..74/1004.5/54.5/5 Jun 2011 US$ 799ebay.com
17.
 
Olympus E-P55/5+ +..78/1004.5/55/5 May 2013 US$ 999ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted with care, 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 rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

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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. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Canon 5D Mark III vs Olympus E-P7

    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 5D Mark III Olympus E-P7
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Canon EF mount lenses Micro Four Thirds lenses
    Launch Date March 2012 June 2021
    Launch Price USD 3,499 USD 799
    Sensor Specs Canon 5D Mark III Olympus E-P7
    Sensor Technology CMOS CMOS
    Sensor Format Full Frame Sensor Four Thirds Sensor
    Sensor Size 36.0 x 24.0 mm 17.4 x 13.0 mm
    Sensor Area 864 mm2 226.2 mm2
    Sensor Diagonal 43.3 mm 21.7 mm
    Crop Factor 1.0x 2.0x
    Sensor Resolution 22.1 Megapixels 20.2 Megapixels
    Image Resolution 5760 x 3840 pixels 5184 x 3888 pixels
    Pixel Pitch 6.25 μm 3.34 μm
    Pixel Density 2.56 MP/cm2 8.91 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/30p Video 4K/30p Video
    ISO Setting 100 - 25,600 ISO 200 - 25,600 ISO
    ISO Boost 50 - 102,400 ISO 100 - 25,600 ISO
    Image Processor DIGIC 5+ TruePic VIII
    DXO Sensor Quality (score) 81 ..
    DXO Color Depth (bits) 24.0 ..
    DXO Dynamic Range (EV) 11.7 ..
    DXO Low Light (ISO) 2293 ..
    Screen Specs Canon 5D Mark III Olympus E-P7
    Viewfinder Type Optical viewfinder no viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.71x
    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 Tilting screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Canon 5D Mark III Olympus E-P7
    Focus System Phase-detect AF Contrast-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/4000s
    Continuous Shooting 6 shutter flaps/s 8.7 shutter flaps/s
    Electronic Shutterno E-Shutterup to 1/16000s
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash no On-Board Flash Built-in Flash
    Storage Medium CF or SDXC cards SDXC cards
    Single or Dual Card Slots Dual card slots Single card slot
    UHS card support no UHS-II
    Connectivity Specs Canon 5D Mark III Olympus E-P7
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    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 no Wifi Wifi built-in
    Bluetooth Support no Bluetooth Bluetooth built-in
    Body Specs Canon 5D Mark III Olympus E-P7
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type Canon LP-E6 Olympus BLS-50
    Battery Life (CIPA)950 shots per charge360 shots per charge
    Body Dimensions 152 x 116 x 76 mm
    (6.0 x 4.6 x 3.0 in)
    118 x 69 x 38 mm
    (4.6 x 2.7 x 1.5 in)
    Camera Weight 950 g (33.5 oz) 337 g (11.9 oz)
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