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Canon 5D Mark III vs Olympus E-P5

The Canon EOS 5D Mark III and the Olympus PEN E-P5 are two digital cameras that were revealed to the public, respectively, in March 2012 and May 2013. The 5D Mark III is a DSLR, while the E-P5 is a mirrorless interchangeable lens camera. The cameras are based on a full frame (5D Mark III) and a Four Thirds (E-P5) sensor. The Canon has a resolution of 22.1 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 5D Mark III
versus
Olympus E-P5
Canon 5D Mark III   Olympus E-P5
Digital single lens reflex Mirrorless system camera
Canon EF mount lenses Micro Four Thirds lenses
22.1 MP – Full Frame sensor 15.9 MP – Four Thirds sensor
1080/30p Video 1080/30p Video
ISO 100-25,600 (50 - 102,400) ISO 200-25,600
Optical viewfinder Viewfinder optional
3.2" LCD – 1040k dots 3.0" LCD – 1037k dots
Fixed screen (not touch-sensitive) Tilting touchscreen
6 shutter flaps per second 9 shutter flaps per second
Lens stabilization onlyIn-body stabilization
Weathersealed bodynot weather sealed
950 shots per battery charge330 shots per battery charge
152 x 116 x 76 mm, 950 g 122 x 69 x 37 mm, 420 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-P5? 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-P5. 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-P5 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-P5
Compare 5D Mark III versus E-P5 top
Comparison 5D Mark III or E-P5 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Olympus E-P5 is considerably smaller (52 percent) than the Canon 5D Mark III. Moreover, the E-P5 is substantially lighter (56 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-P5 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-P5). Mirrorless cameras, such as the E-P5, 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-P5 can take 330 images on a single charge of its Olympus BLN-1 power pack.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. 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
# image Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon 5D Mark III 152 mm 116 mm 76 mm 950 g 950 Y Mar 2012 3,499ebay.com
2.
 
Olympus E-P5 122 mm 69 mm 37 mm 420 g 330 n May 2013 999ebay.com
3.
 
Canon 6D Mark II 144 mm 111 mm 75 mm 765 g 1200 Y Jun 2017 1,999 amazon.com
4.
 
Canon 1D X Mark II 158 mm 168 mm 83 mm 1530 g 1210 Y Feb 2016 5,999ebay.com
5.
 
Canon 5D Mark IV 151 mm 116 mm 76 mm 890 g 900 Y Aug 2016 3,499 amazon.com
6.
 
Canon 5DS 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 3,699ebay.com
7.
 
Canon 5DS R 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 3,699ebay.com
8.
 
Canon 7D II 149 mm 112 mm 78 mm 910 g 670 Y Sep 2014 1,799ebay.com
9.
 
Canon 70D 139 mm 104 mm 79 mm 755 g 920 Y Jul 2013 1,199ebay.com
10.
 
Canon 6D 145 mm 111 mm 71 mm 770 g 1090 Y Sep 2012 2,099ebay.com
11.
 
Canon 5D Mark II 152 mm 114 mm 75 mm 850 g 850 Y Sep 2008 3,499ebay.com
12.
 
Canon 5D 152 mm 113 mm 75 mm 895 g 400 Y Aug 2005 3,299ebay.com
13.
 
Olympus E-M5 II 124 mm 85 mm 45 mm 469 g 310 Y Feb 2015 1,099ebay.com
14.
 
Olympus E-M10 119 mm 82 mm 46 mm 396 g 320 n Jan 2014 699ebay.com
15.
 
Olympus E-PL7 115 mm 67 mm 38 mm 357 g 350 n Aug 2014 599ebay.com
16.
 
Olympus E-M1 130 mm 94 mm 63 mm 497 g 350 Y Sep 2013 1,399ebay.com
17.
 
Panasonic GX7 123 mm 71 mm 55 mm 402 g 350 n Aug 2013 999ebay.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-P5 was launched at a markedly lower price (by 71 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

Sensor comparison

The size of the sensor inside a digital camera is one of the key determinants 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 tend to be associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Canon 5D Mark III features a full frame sensor and the Olympus E-P5 a Four Thirds sensor. The sensor area in the E-P5 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-P5 offers a 4:3 aspect.

Canon 5D Mark III and Olympus E-P5 sensor measures

With 22.1MP, the 5D Mark III offers a higher resolution than the E-P5 (15.9MP), but the 5D Mark III nevertheless has larger individual pixels (pixel pitch of 6.25μm versus 3.76μm for the E-P5) due to its larger sensor. However, the E-P5 is a somewhat more recent model (by 1 year and 2 months) than the 5D Mark III, and its sensor might have benefitted from technological advances during this time that 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-P5 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 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-P5 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-P5 MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. 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 review, the 5D Mark III has a notably higher overall DXO score than the E-P5 (overall score 9 points higher), which gives it an advantage in terms of imaging quality. This advantage is based on 1.2 bits higher color depth, 0.7 EV of lower dynamic range, and 1.4 stops in additional low light sensitivity. 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
# image 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-P5 Four Thirds 15.9 4608 34561080/30p22.812.489572
3.
 
Canon 6D Mark II Full Frame 26.0 6240 41601080/60p24.411.9286285
4.
 
Canon 1D X Mark II Full Frame 20.0 5472 36484K/60p24.113.5320788
5.
 
Canon 5D Mark IV Full Frame 30.1 6720 44804K/30p24.813.6299591
6.
 
Canon 5DS Full Frame 50.3 8688 57921080/30p24.712.4238187
7.
 
Canon 5DS R Full Frame 50.3 8688 57921080/30p24.612.4230886
8.
 
Canon 7D II APS-C 20.0 5472 36481080/60p22.411.8108270
9.
 
Canon 70D APS-C 20.0 5472 36481080/30p22.511.692668
10.
 
Canon 6D Full Frame 20.0 5472 36481080/30p23.812.1234082
11.
 
Canon 5D Mark II Full Frame 21.0 5616 37441080/30p23.711.9181579
12.
 
Canon 5D Full Frame 12.7 4368 2912none22.911.1136871
13.
 
Olympus E-M5 II Four Thirds 15.9 4608 34561080/60p23.012.584273
14.
 
Olympus E-M10 Four Thirds 15.9 4608 34561080/30p22.812.388472
15.
 
Olympus E-PL7 Four Thirds 15.9 4608 34561080/30p22.712.487372
16.
 
Olympus E-M1 Four Thirds 15.9 4608 34561080/30p23.012.775773
17.
 
Panasonic GX7 Four Thirds 15.8 4592 34481080/60p22.612.271870
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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, and both provide the same movie specifications (1080/30p).

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Feature comparison

Apart from body and sensor, cameras can and do differ across a range 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-P5 relies on live view and the rear LCD for framing. That said, the E-P5 can be equipped with an optional viewfinder – the VF-4. The following table reports on some other key feature differences and similarities of the Canon 5D Mark III, the Olympus E-P5, and comparable cameras.

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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 5D Mark IIIoptical Y3.2 / 1040 fixed n 1/8000s 6.0/s n n
2.
 
Olympus E-P5optional n3.0 / 1037 tilting Y 1/8000s 9.0/s Y Y
3.
 
Canon 6D Mark IIoptical Y3.0 / 1040 swivel Y 1/4000s 6.5/s n n
4.
 
Canon 1D X Mark IIoptical Y3.2 / 1620 fixed Y 1/8000s 16.0/s n n
5.
 
Canon 5D Mark IVoptical Y3.2 / 1620 fixed Y 1/8000s 7.0/s n n
6.
 
Canon 5DSoptical Y3.2 / 1040 fixed n 1/8000s 5.0/s n n
7.
 
Canon 5DS Roptical Y3.2 / 1040 fixed n 1/8000s 5.0/s n n
8.
 
Canon 7D IIoptical Y3.0 / 1040 fixed n 1/8000s 10.0/s Y n
9.
 
Canon 70Doptical Y3.0 / 1040 swivel Y 1/8000s 7.0/s Y n
10.
 
Canon 6Doptical Y3.0 / 1040 fixed n 1/4000s 4.5/s n n
11.
 
Canon 5D Mark IIoptical Y3.0 / 920 fixed n 1/8000s 3.9/s n n
12.
 
Canon 5Doptical Y2.5 / 230 fixed n 1/8000s 3.0/s n n
13.
 
Olympus E-M5 II2360 n3.0 / 1037 swivel Y 1/8000s 10.0/s n Y
14.
 
Olympus E-M101440 n3.0 / 1037 tilting Y 1/4000s 8.0/s Y Y
15.
 
Olympus E-PL7optional n3.0 / 1037 tilting Y 1/4000s 8.0/s n Y
16.
 
Olympus E-M12360 n3.0 / 1037 tilting Y 1/8000s 10.0/s n Y
17.
 
Panasonic GX72760 n3.0 / 1040 tilting Y 1/8000s 5.0/s Y 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 5D Mark III, but is missing on the E-P5 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 Olympus E-P5 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-P5 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-P5 only has one slot. The E-P5 supports UHS-I cards (Ultra High Speed data transfer of up to 104 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-P5 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 5D Mark IIIYmono / monoYYmini2.0---
2.
 
Olympus E-P5Ystereo / mono--micro2.0Y--
3.
 
Canon 6D Mark IIYstereo / monoY-mini2.0YYY
4.
 
Canon 1D X Mark IIYmono / monoYYmini3.0---
5.
 
Canon 5D Mark IVYmono / monoYYmini3.0YY-
6.
 
Canon 5DSYmono / monoY-mini3.0---
7.
 
Canon 5DS RYmono / monoY-mini3.0---
8.
 
Canon 7D IIYstereo / monoYYmini3.0---
9.
 
Canon 70DYstereo / monoY-mini2.0Y--
10.
 
Canon 6DYmono / monoY-mini2.0Y--
11.
 
Canon 5D Mark IIYmono / monoY-mini2.0---
12.
 
Canon 5DY- / ----2.0---
13.
 
Olympus E-M5 IIYstereo / monoY-micro2.0Y--
14.
 
Olympus E-M10Ystereo / mono--micro2.0Y--
15.
 
Olympus E-PL7Ystereo / mono--micro2.0Y--
16.
 
Olympus E-M1Ystereo / monoY-micro2.0Y--
17.
 
Panasonic GX7Ystereo / mono--mini2.0YY-
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It is notable that the 5D Mark III has a microphone port, which is missing on the E-P5. 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-P5) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the 5D Mark III and the E-P5 have been discontinued, but can regularly be found used on ebay. The 5D Mark III was replaced by the Canon 5D Mark IV, while the E-P5 was followed by the Olympus E-P7. Further information on the features and operation of the 5D Mark III and E-P5 can be found, respectively, in the Canon 5D Mark III Manual (free pdf) or the online Olympus E-P5 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-P5? Which camera is better? The listing below highlights the relative strengths of the two models.

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Arguments in favor of the Canon EOS 5D Mark III:

  • More detail: Offers more megapixels (22.1 vs 15.9MP) with a 20% higher linear resolution.
  • Better image quality: Scores markedly higher (9 points) in the DXO overall assessment.
  • Richer colors: Generates images with noticeably better colors (1.2 bits more color depth).
  • Better low-light sensitivity: Requires less light for good images (1.4 stops ISO advantage).
  • 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.
  • Longer lasting: Can take more shots (950 versus 330) 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 on the market for longer (launched in March 2012).

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Reasons to prefer the Olympus PEN E-P5:

  • More dynamic range: Captures a broader range of light and dark details (0.7 EV of extra DR).
  • 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.
  • Faster burst: Shoots at higher frequency (9 vs 6 flaps/sec) to capture the decisive moment.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • More compact: Is smaller (122x69mm vs 152x116mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 530g or 56 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.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
  • More affordable: Was introduced into a lower priced category (71 percent cheaper at launch).
  • More modern: Was introduced somewhat (1 year and 2 months) more recently.

If the count of individual advantages (bullet points above) is taken as a guide, the match-up finishes in a tie (14 points each). 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 wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

5D Mark III 14:14 E-P5

How about other alternatives? Do the specifications of the Canon 5D Mark III and the Olympus E-P5 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 technical specifications can provide a useful overview of the capabilities of different cameras, it remains incomplete and does no justice, for example, to the way the 5D Mark III or the E-P5 perform in practice. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.

Expert reviews

This is where reviews by experts come in. 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
# image  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon 5D Mark III..+ +..82/1004.5/54.5/5 Mar 2012 3,499ebay.com
2.
 
Olympus E-P55/5+ +..78/1004.5/55/5 May 2013 999ebay.com
3.
 
Canon 6D Mark II4/5+4/580/1004.5/54/5 Jun 2017 1,999 amazon.com
4.
 
Canon 1D X Mark II....4.5/589/1004.5/54.5/5 Feb 2016 5,999ebay.com
5.
 
Canon 5D Mark IV4.5/5+ +4/587/1004.5/54.5/5 Aug 2016 3,499 amazon.com
6.
 
Canon 5DS..+..83/1004.5/54.5/5 Feb 2015 3,699ebay.com
7.
 
Canon 5DS R5/5+..83/1005/54.5/5 Feb 2015 3,699ebay.com
8.
 
Canon 7D II4.5/5+3.5/584/1004/54.5/5 Sep 2014 1,799ebay.com
9.
 
Canon 70D5/5+ +..83/1004.5/55/5 Jul 2013 1,199ebay.com
10.
 
Canon 6D5/5+ +..83/1004.5/54.5/5 Sep 2012 2,099ebay.com
11.
 
Canon 5D Mark II4/591/100..79/1004/5.. Sep 2008 3,499ebay.com
12.
 
Canon 5D..88/100..+ +o.. Aug 2005 3,299ebay.com
13.
 
Olympus E-M5 II5/5+ +4.5/581/1005/55/5 Feb 2015 1,099ebay.com
14.
 
Olympus E-M104/5....80/1005/55/5 Jan 2014 699ebay.com
15.
 
Olympus E-PL74/5+....5/54/5 Aug 2014 599ebay.com
16.
 
Olympus E-M15/5+ +..84/1004.5/54.5/5 Sep 2013 1,399ebay.com
17.
 
Panasonic GX74/5+..79/1005/55/5 Aug 2013 999ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
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The review scores listed above should be treated with care, though. The ratings are only valid when referring to cameras in the same category and of the same age. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. 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? 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 5D Mark III vs Olympus E-P5

    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-P5
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Canon EF mount lenses Micro Four Thirds lenses
    Launch Date March 2012 May 2013
    Launch Price USD 3,499 USD 999
    Sensor Specs Canon 5D Mark III Olympus E-P5
    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 22.1 Megapixels 15.9 Megapixels
    Image Resolution 5760 x 3840 pixels 4608 x 3456 pixels
    Pixel Pitch 6.25 μm 3.76 μm
    Pixel Density 2.56 MP/cm2 7.08 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/30p Video 1080/30p 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 VI
    DXO Sensor Quality (score) 81 72
    DXO Color Depth (bits) 24.0 22.8
    DXO Dynamic Range (EV) 11.7 12.4
    DXO Low Light (ISO) 2293 895
    Screen Specs Canon 5D Mark III Olympus E-P5
    Viewfinder Type Optical viewfinder Viewfinder optional
    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 1037k dots
    LCD Attachment Fixed screen Tilting screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Canon 5D Mark III Olympus E-P5
    Focus System Phase-detect AF Contrast-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/8000s
    Continuous Shooting 6 shutter flaps/s 9 shutter flaps/s
    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-I
    Connectivity Specs Canon 5D Mark III Olympus E-P5
    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
    Body Specs Canon 5D Mark III Olympus E-P5
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type Canon LP-E6 Olympus BLN-1
    Battery Life (CIPA)950 shots per charge330 shots per charge
    Body Dimensions 152 x 116 x 76 mm
    (6.0 x 4.6 x 3.0 in)
    122 x 69 x 37 mm
    (4.8 x 2.7 x 1.5 in)
    Camera Weight 950 g (33.5 oz) 420 g (14.8 oz)
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