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Olympus E-P3 vs Canon 7D II

The Olympus PEN E-P3 and the Canon EOS 7D Mark II are two enthusiast cameras that were revealed to the public, respectively, in June 2011 and September 2014. The E-P3 is a mirrorless interchangeable lens camera, while the 7D Mark II is a DSLR. The cameras are based on a Four Thirds (E-P3) and an APS-C (7D Mark II) sensor. The Olympus has a resolution of 12.2 megapixels, whereas the Canon provides 20 MP.

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

Headline Specifications
Olympus E-P3
versus
Canon 7D II
Olympus E-P3   Canon 7D II
Mirrorless system camera Digital single lens reflex
Micro Four Thirds lenses Canon EF mount lenses
12.2 MP – Four Thirds sensor 20 MP – APS-C sensor
1080/60i Video 1080/60p Video
ISO 200-12,800 ISO 100-16,000 (100 - 51,200)
Viewfinder optional Optical viewfinder
3.0" LCD – 614k dots 3.0" LCD – 1040k dots
Fixed touchscreen Fixed screen (not touch-sensitive)
3 shutter flaps per second 10 shutter flaps per second
In-body stabilizationLens stabilization only
not weather sealedWeathersealed body
330 shots per battery charge670 shots per battery charge
122 x 69 x 34 mm, 369 g 149 x 112 x 78 mm, 910 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Olympus PEN E-P3 and the Canon EOS 7D Mark II? 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 Olympus E-P3 and the Canon 7D II are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All width, height and depth measures are rounded to the nearest millimeter.

The E-P3 can be obtained in three different colors (black, silver, white), while the 7D Mark II is only available in black.

Size Olympus E-P3 vs Canon 7D II
Compare E-P3 versus 7D Mark II top
Comparison E-P3 or 7D Mark II rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon 7D II is considerably larger (98 percent) than the Olympus E-P3. Moreover, the 7D Mark II is substantially heavier (147 percent) than the E-P3. It is noteworthy in this context that the 7D Mark II is splash and dust-proof, while the E-P3 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 Micro Four Thirds Lens Catalog (E-P3) and the Canon EF Lens Catalog (7D Mark II). Mirrorless cameras, such as the Olympus E-P3, have moreover the advantage that they have a relatively short flange to focal plane distance and can thus use many lenses from other systems via adapters.

Concerning battery life, the E-P3 gets 330 shots out of its Olympus BLS-5 battery, while the 7D Mark II can take 670 images on a single charge of its Canon LP-E6N power pack.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. If you would like to visualize and compare a different camera combination, you can navigate to the CAM-parator app and make your selection from a broad list of cameras 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.
 
Olympus E-P3 122 mm 69 mm 34 mm 369 g 330 n Jun 2011 799ebay.com
2.
 
Canon 7D II 149 mm 112 mm 78 mm 910 g 670 Y Sep 2014 1,799ebay.com
3.
 
Canon T6i 132 mm 101 mm 78 mm 555 g 440 n Feb 2015 749ebay.com
4.
 
Canon 70D 139 mm 104 mm 79 mm 755 g 920 Y Jul 2013 1,199ebay.com
5.
 
Canon SL1 117 mm 91 mm 69 mm 407 g 380 n Mar 2013 549ebay.com
6.
 
Canon T5i 133 mm 100 mm 79 mm 580 g 440 n Mar 2013 649ebay.com
7.
 
Canon 7D 148 mm 111 mm 74 mm 860 g 800 Y Sep 2009 1,699ebay.com
8.
 
Olympus E-P5 122 mm 69 mm 37 mm 420 g 330 n May 2013 999ebay.com
9.
 
Olympus E-PL5 111 mm 64 mm 38 mm 325 g 360 n Sep 2012 599ebay.com
10.
 
Olympus E-PL2 114 mm 72 mm 42 mm 362 g 280 n Jan 2011 599ebay.com
11.
 
Olympus E-PL3 110 mm 64 mm 37 mm 313 g 300 n Jun 2011 599ebay.com
12.
 
Olympus E-PM1 110 mm 64 mm 34 mm 265 g 330 n Jun 2011 499ebay.com
13.
 
Olympus E-PL1 115 mm 72 mm 42 mm 334 g 290 n Feb 2010 599ebay.com
14.
 
Olympus E-P1 121 mm 70 mm 36 mm 355 g 300 n Jun 2009 799ebay.com
15.
 
Olympus E-P2 121 mm 70 mm 36 mm 355 g 300 n Nov 2009 799ebay.com
16.
 
Panasonic GX1 116 mm 68 mm 39 mm 318 g 320 n Nov 2011 699ebay.com
17.
 
Panasonic G10 124 mm 84 mm 74 mm 388 g 380 n Mar 2010 499ebay.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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Any camera decision will obviously take relative prices into account. 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-P3 was launched at a markedly lower price (by 56 percent) than the 7D Mark II, which puts it into a different market segment. Usually, retail prices stay at first close to the launch price, but after several months, discounts become available. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

Sensor comparison

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. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its background. On the downside, larger sensors tend to be associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Olympus E-P3 features a Four Thirds sensor and the Canon 7D II an APS-C sensor. The sensor area in the 7D Mark II is 49 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.0 and 1.6. The sensor in the E-P3 has a native 4:3 aspect ratio, while the one in the 7D Mark II offers a 3:2 aspect.

Olympus E-P3 and Canon 7D II sensor measures

With 20MP, the 7D Mark II offers a higher resolution than the E-P3 (12.2MP), but the 7D Mark II has smaller individual pixels (pixel pitch of 4.10μm versus 4.29μm for the E-P3). Yet, the 7D Mark II is a much more recent model (by 3 years and 2 months) than the E-P3, and its sensor will have benefitted from technological advances during this time that enhance the light gathering capacity of its pixel-units.

The resolution advantage of the Canon 7D II implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the 7D Mark II for good quality output (200 dots per inch) amounts to 27.4 x 18.2 inches or 69.5 x 46.3 cm, for very good quality (250 dpi) 21.9 x 14.6 inches or 55.6 x 37.1 cm, and for excellent quality (300 dpi) 18.2 x 12.2 inches or 46.3 x 30.9 cm. The corresponding values for the Olympus E-P3 are 20.2 x 15.1 inches or 51.2 x 38.4 cm for good quality, 16.1 x 12.1 inches or 41 x 30.7 cm for very good quality, and 13.4 x 10.1 inches or 34.1 x 25.6 cm for excellent quality prints.

The 7D Mark II has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Olympus PEN E-P3 has a native sensitivity range from ISO 200 to ISO 12800. The corresponding ISO settings for the Canon EOS 7D Mark II are ISO 100 to ISO 16000, with the possibility to increase the ISO range to 100-51200.

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.

E-P3 versus 7D Mark II 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 consideration, the 7D Mark II offers substantially better image quality than the E-P3 (overall score 19 points higher). The advantage is based on 1.6 bits higher color depth, 1.7 EV in additional dynamic range, and 1 stops in additional low light sensitivity. The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

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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.
 
Olympus E-P3 Four Thirds 12.2 4032 30241080/60i20.810.153651
2.
 
Canon 7D II APS-C 20.0 5472 36481080/60p22.411.8108270
3.
 
Canon T6i APS-C 24.0 6000 40001080/30p22.712.091971
4.
 
Canon 70D APS-C 20.0 5472 36481080/30p22.511.692668
5.
 
Canon SL1 APS-C 17.9 5184 34561080/30p21.811.384363
6.
 
Canon T5i APS-C 17.9 5184 34561080/30p21.711.268161
7.
 
Canon 7D APS-C 17.9 5184 34561080/30p22.011.785466
8.
 
Olympus E-P5 Four Thirds 15.9 4608 34561080/30p22.812.489572
9.
 
Olympus E-PL5 Four Thirds 15.9 4608 34561080/30p22.812.388972
10.
 
Olympus E-PL2 Four Thirds 12.2 4032 3024720/30p21.410.257355
11.
 
Olympus E-PL3 Four Thirds 12.2 4032 30241080/60i20.910.349952
12.
 
Olympus E-PM1 Four Thirds 12.2 4032 30241080/60i21.010.349952
13.
 
Olympus E-PL1 Four Thirds 12.2 4032 3024720/30p21.510.148754
14.
 
Olympus E-P1 Four Thirds 12.2 4032 3024720/30p21.410.453655
15.
 
Olympus E-P2 Four Thirds 12.2 4032 3024720/30p21.510.450556
16.
 
Panasonic GX1 Four Thirds 15.8 4592 34481080/60p20.810.670355
17.
 
Panasonic G10 Four Thirds 12.0 4000 3000720/30p21.210.141152
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Many modern cameras are not only capable of taking still images, but can also record movies. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the 7D Mark II provides a faster frame rate than the E-P3. It can shoot movie footage at 1080/60p, while the Olympus is limited to 1080/60i.

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Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the 7D Mark II has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the E-P3 relies on live view and the rear LCD for framing. That said, the E-P3 can be equipped with an optional viewfinder – the VF-3. The following table reports on some other key feature differences and similarities of the Olympus E-P3, the Canon 7D II, 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.
 
Olympus E-P3optional n3.0 / 614 fixed Y 1/4000s 3.0/s Y Y
2.
 
Canon 7D IIoptical Y3.0 / 1040 fixed n 1/8000s 10.0/s Y n
3.
 
Canon T6ioptical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
4.
 
Canon 70Doptical Y3.0 / 1040 swivel Y 1/8000s 7.0/s Y n
5.
 
Canon SL1optical n3.0 / 1040 fixed Y 1/4000s 4.9/s Y n
6.
 
Canon T5ioptical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
7.
 
Canon 7Doptical Y3.0 / 920 fixed n 1/8000s 8.0/s Y n
8.
 
Olympus E-P5optional n3.0 / 1037 tilting Y 1/8000s 9.0/s Y Y
9.
 
Olympus E-PL5optional n3.0 / 460 tilting Y 1/4000s 8.0/s n Y
10.
 
Olympus E-PL2optional n3.0 / 460 fixed n 1/4000s 3.0/s Y Y
11.
 
Olympus E-PL3optional n3.0 / 460 tilting n 1/4000s 5.5/s n Y
12.
 
Olympus E-PM1optional n3.0 / 460 fixed n 1/4000s 5.5/s n Y
13.
 
Olympus E-PL1optional n2.7 / 230 fixed n 1/2000s 3.0/s Y Y
14.
 
Olympus E-P1none n3.0 / 230 fixed n 1/4000s 3.0/s n Y
15.
 
Olympus E-P2optional n3.0 / 230 fixed n 1/4000s 3.0/s n Y
16.
 
Panasonic GX1optional n3.0 / 460 fixed Y 1/4000s 4.2/s Y n
17.
 
Panasonic G10202 n3.0 / 460 fixed n 1/4000s 2.6/s Y n
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
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One feature that differentiates the E-P3 and the 7D Mark II is in-body image stabilization (IBIS). The E-P3 reduces the risk of handshake-induced blur with all attached lenses, while the 7D Mark II offers no blur reduction with lenses that themselves do not provide optical image stabilization.

The Canon 7D II 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 E-P3 writes its imaging data to SDXC cards, while the 7D Mark II uses Compact Flash or SDXC cards. The 7D Mark II features dual card slots, which can be very useful in case a memory card fails. In contrast, the E-P3 only has one slot. Both cameras can use UHS-I cards, which provide for Ultra High Speed data transfer of 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 Olympus PEN E-P3 and Canon EOS 7D Mark II 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.
 
Olympus E-P3Ystereo / ---mini2.0---
2.
 
Canon 7D IIYstereo / monoYYmini3.0---
3.
 
Canon T6iYstereo / monoY-mini2.0YY-
4.
 
Canon 70DYstereo / monoY-mini2.0Y--
5.
 
Canon SL1Ymono / monoY-mini2.0---
6.
 
Canon T5iYstereo / monoY-mini2.0---
7.
 
Canon 7DYmono / -Y-mini2.0---
8.
 
Olympus E-P5Ystereo / mono--micro2.0Y--
9.
 
Olympus E-PL5Ystereo / mono--mini2.0---
10.
 
Olympus E-PL2Ystereo / ---mini2.0---
11.
 
Olympus E-PL3Ystereo / ---mini2.0---
12.
 
Olympus E-PM1Ystereo / mono--mini2.0---
13.
 
Olympus E-PL1Ystereo / ---mini2.0---
14.
 
Olympus E-P1Ystereo / ---mini2.0---
15.
 
Olympus E-P2Ystereo / ---mini2.0---
16.
 
Panasonic GX1Ystereo / mono--mini2.0---
17.
 
Panasonic G10Ymono / ---mini2.0---
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It is notable that the 7D Mark II has a headphone jack, which makes it possible to attach external headphones and monitor the quality of sound during the recording process. The E-P3 lacks such a headphone port.

Studio photographers will appreciate that the Canon 7D II (unlike the E-P3) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Travel and landscape photographers will find it useful that the 7D Mark II has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.

Both the E-P3 and the 7D Mark II have been discontinued, but can regularly be found used on ebay. The E-P3 was replaced by the Olympus E-P5, while the 7D Mark II does not have a direct successor. Further information on the features and operation of the E-P3 and 7D Mark II can be found, respectively, in the Olympus E-P3 Manual (free pdf) or the online Canon 7D II Manual.

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Review summary

So what conclusions can be drawn? Which of the two cameras – the Olympus E-P3 or the Canon 7D II – has the upper hand? Is one clearly better than the other? Below is a summary of the relative strengths of each of the two contestants.

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Reasons to prefer the Olympus PEN E-P3:

  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • More compact: Is smaller (122x69mm vs 149x112mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 541g or 59 percent) and hence easier to carry around.
  • Sharper images: Has hand-shake reducing image stabilization built-in.
  • More legacy lens friendly: Can take a broad range of non-native lenses via adapters.
  • More affordable: Was introduced into a lower priced category (56 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in June 2011).

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Arguments in favor of the Canon EOS 7D Mark II:

  • More detail: Has more megapixels (20 vs 12.2MP), which boosts linear resolution by 30%.
  • Better image quality: Scores substantially higher (19 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (1.6 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (1.7 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (1 stops ISO advantage).
  • Better video: Provides higher movie framerates (1080/60p versus 1080/60i).
  • 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.
  • Easier framing: Has an optical viewfinder for image composition and settings control.
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • More detailed LCD: Has a higher resolution rear screen (1040k vs 614k dots).
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (10 vs 3 flaps/sec) to capture the decisive moment.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Longer lasting: Gets more shots (670 versus 330) out of a single battery charge.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Easier geotagging: Features an internal GPS sensor to log localization data.
  • 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 modern: Reflects 3 years and 2 months of technical progress since the E-P3 launch.

If the number of relative strengths (bullet points above) is taken as a guide, the 7D Mark II is the clear winner of the contest (22 : 7 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 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.

E-P3 07:22 7D Mark II

How about other alternatives? Do the specifications of the Olympus E-P3 and the Canon 7D II place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera and Best DSLR 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 E-P3 or the 7D Mark II. 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.
 
Olympus E-P3..83/100..74/1004.5/54.5/5 Jun 2011 799ebay.com
2.
 
Canon 7D II4.5/5+3.5/584/1004/54.5/5 Sep 2014 1,799ebay.com
3.
 
Canon T6i5/5....75/1004.5/54.5/5 Feb 2015 749ebay.com
4.
 
Canon 70D5/5+ +..83/1004.5/55/5 Jul 2013 1,199ebay.com
5.
 
Canon SL14/5+..78/1004/54/5 Mar 2013 549ebay.com
6.
 
Canon T5i......76/1004.5/54.5/5 Mar 2013 649ebay.com
7.
 
Canon 7D5/5+ +..84/1004.5/54.5/5 Sep 2009 1,699ebay.com
8.
 
Olympus E-P55/5+ +..78/1004.5/55/5 May 2013 999ebay.com
9.
 
Olympus E-PL53/5+ +....4.5/54.5/5 Sep 2012 599ebay.com
10.
 
Olympus E-PL23/583/100..71/1004.5/54.5/5 Jan 2011 599ebay.com
11.
 
Olympus E-PL33/5+ +..72/1004.5/54/5 Jun 2011 599ebay.com
12.
 
Olympus E-PM1..86/100..71/1004.5/54.5/5 Jun 2011 499ebay.com
13.
 
Olympus E-PL1..86/100..69/1004/54.5/5 Feb 2010 599ebay.com
14.
 
Olympus E-P1..+..66/1004/54.5/5 Jun 2009 799ebay.com
15.
 
Olympus E-P23/5+..69/1004/54.5/5 Nov 2009 799ebay.com
16.
 
Panasonic GX13/5+..77/1004.5/54.5/5 Nov 2011 699ebay.com
17.
 
Panasonic G103/5....70/1004/54/5 Mar 2010 499ebay.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. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Olympus E-P3 vs Canon 7D II

    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 Olympus E-P3 Canon 7D II
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Micro Four Thirds lenses Canon EF mount lenses
    Launch Date June 2011 September 2014
    Launch Price USD 799 USD 1,799
    Sensor Specs Olympus E-P3 Canon 7D II
    Sensor Technology CMOS CMOS
    Sensor Format Four Thirds Sensor APS-C Sensor
    Sensor Size 17.3 x 13.0 mm 22.4 x 15.0 mm
    Sensor Area 224.9 mm2 336 mm2
    Sensor Diagonal 21.6 mm 27 mm
    Crop Factor 2.0x 1.6x
    Sensor Resolution 12.2 Megapixels 20 Megapixels
    Image Resolution 4032 x 3024 pixels 5472 x 3648 pixels
    Pixel Pitch 4.29 μm 4.10 μm
    Pixel Density 5.42 MP/cm2 5.94 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/60i Video 1080/60p Video
    ISO Setting 200 - 12,800 ISO 100 - 16,000 ISO
    ISO Boost no Enhancement 100 - 51,200 ISO
    Image Processor TruePic VI DIGIC 6 (Dual)
    DXO Sensor Quality (score) 51 70
    DXO Color Depth (bits) 20.8 22.4
    DXO Dynamic Range (EV) 10.1 11.8
    DXO Low Light (ISO) 536 1082
    Screen Specs Olympus E-P3 Canon 7D II
    Viewfinder Type Viewfinder optional Optical viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.63x
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 614k dots 1040k dots
    LCD Attachment Fixed screen Fixed screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Olympus E-P3 Canon 7D II
    Focus System Contrast-detect AF Phase-detect AF
    Continuous Shooting 3 shutter flaps/s 10 shutter flaps/s
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Image StabilizationIn-body stabilizationLens stabilization only
    Fill Flash Built-in Flash Built-in Flash
    Storage Medium SDXC cards CF or SDXC cards
    Single or Dual Card Slots Single card slot Dual card slots
    UHS card support UHS-I UHS-I
    Connectivity Specs Olympus E-P3 Canon 7D II
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 3.0
    HDMI Port mini HDMI mini HDMI
    Microphone Port no MIC socket External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support no Wifi no Wifi
    Geotagging no internal GPS GPS built-in
    Body Specs Olympus E-P3 Canon 7D II
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type Olympus BLS-5 Canon LP-E6N
    Battery Life (CIPA)330 shots per charge670 shots per charge
    Body Dimensions 122 x 69 x 34 mm
    (4.8 x 2.7 x 1.3 in)
    149 x 112 x 78 mm
    (5.9 x 4.4 x 3.1 in)
    Camera Weight 369 g (13.0 oz) 910 g (32.1 oz)
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