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Sony NEX-7 vs Olympus E-M5 II

The Sony Alpha NEX-7 and the Olympus OM-D E-M5 Mark II are two enthusiast cameras that were announced, respectively, in August 2011 and February 2015. Both the NEX-7 and the E-M5 II are mirrorless interchangeable lens cameras that are based on an APS-C (NEX-7) and a Four Thirds (E-M5 II) sensor. The Sony has a resolution of 24 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
Sony NEX-7
versus
Olympus E-M5 II
Sony NEX-7   Olympus E-M5 II
Mirrorless system camera Mirrorless system camera
Sony E mount lenses Micro Four Thirds lenses
24 MP – APS-C sensor 15.9 MP – Four Thirds sensor
1080/60i Video 1080/60p Video
ISO 100-16,000 ISO 200-25,600
Electronic viewfinder (2359k dots) Electronic viewfinder (2360k dots)
3.0" LCD – 921k dots 3.0" LCD – 1037k dots
Tilting screen (no touchscreen) Swivel touchscreen
10 shutter flaps per second 10 shutter flaps per second
Lens stabilization onlyIn-body stabilization
not weather sealedWeathersealed body
430 shots per battery charge310 shots per battery charge
120 x 67 x 43 mm, 400 g 124 x 85 x 45 mm, 469 g
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Check NEX-7 offers at
ebay.com
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Check E-M5 II offers at
ebay.com

Going beyond this snapshot of core features and characteristics, what are the differences between the Sony Alpha NEX-7 and the Olympus OM-D E-M5 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 side-by-side display below illustrates the physical size and weight of the Sony NEX-7 and the Olympus E-M5 II. 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 dimensions are rounded to the nearest millimeter.

The E-M5 II can be obtained in two different colors (black, silver), while the NEX-7 is only available in black.

Size Sony NEX-7 vs Olympus E-M5 II
Compare NEX-7 versus E-M5 II top
Comparison NEX-7 or E-M5 II 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 II is notably larger (31 percent) than the Sony NEX-7. Moreover, the E-M5 II is markedly heavier (17 percent) than the NEX-7. It is noteworthy in this context that the E-M5 II is splash and dust-proof, while the NEX-7 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 Sony E-Mount Lens Catalog (NEX-7) and the Micro Four Thirds Lens Catalog (E-M5 II). Mirrorless cameras, such as the two under consideration, have the additional advantage of having a short flange to focal plane distance, which makes it possible to mount many lenses from other systems onto the camera via adapters.

Concerning battery life, the NEX-7 gets 430 shots out of its Sony NP-FW50 battery, while the E-M5 II can take 310 images on a single charge of its Olympus BLN-1 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.
 
Sony NEX-7 120 mm 67 mm 43 mm 400 g 430 n Aug 2011 1,349ebay.com
2.
 
Olympus E-M5 II 124 mm 85 mm 45 mm 469 g 310 Y Feb 2015 1,099ebay.com
3.
 
Fujifilm X100 126 mm 75 mm 54 mm 445 g 300 n Sep 2010 1,199ebay.com
4.
 
Olympus E-M5 III 125 mm 85 mm 50 mm 414 g 310 Y Oct 2019 1,199ebay.com
5.
 
Olympus E-M10 II 120 mm 83 mm 47 mm 390 g 320 n Aug 2015 649ebay.com
6.
 
Olympus E-M10 119 mm 82 mm 46 mm 396 g 320 n Jan 2014 699ebay.com
7.
 
Olympus E-M1 130 mm 94 mm 63 mm 497 g 350 Y Sep 2013 1,399ebay.com
8.
 
Olympus E-M5 122 mm 89 mm 43 mm 425 g 360 Y Feb 2012 1,299ebay.com
9.
 
Sony A6400 120 mm 67 mm 50 mm 403 g 410 Y Jan 2019 899 amazon.com
10.
 
Sony A6000 120 mm 67 mm 45 mm 344 g 360 n Feb 2014 599ebay.com
11.
 
Sony A3000 128 mm 91 mm 85 mm 411 g 470 n Aug 2013 329ebay.com
12.
 
Sony NEX-6 120 mm 67 mm 43 mm 345 g 360 n Sep 2012 999ebay.com
13.
 
Sony RX1 113 mm 65 mm 70 mm 482 g 270 n Sep 2012 2,799ebay.com
14.
 
Sony NEX-5N 111 mm 59 mm 38 mm 269 g 460 n Aug 2011 699ebay.com
15.
 
Sony NEX-C3 110 mm 60 mm 33 mm 225 g 400 n Jun 2011 599ebay.com
16.
 
Sony NEX-3 117 mm 62 mm 33 mm 297 g 330 n May 2010 599ebay.com
17.
 
Sony NEX-5 111 mm 59 mm 38 mm 287 g 330 n May 2010 699ebay.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-M5 II was launched at a somewhat lower price (by 19 percent) than the NEX-7, which makes it more attractive for photographers on a tight budget. 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 imaging sensor is a crucial determinant of image quality. A large sensor will generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have richer color-depth than smaller pixels in a sensor of the same technological generation. 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 Sony NEX-7 features an APS-C sensor and the Olympus E-M5 II a Four Thirds sensor. The sensor area in the E-M5 II is 38 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.5 and 2.0. The sensor in the NEX-7 has a native 3:2 aspect ratio, while the one in the E-M5 II offers a 4:3 aspect.

Sony NEX-7 and Olympus E-M5 II sensor measures

With 24MP, the NEX-7 offers a higher resolution than the E-M5 II (15.9MP), but the NEX-7 nevertheless has larger individual pixels (pixel pitch of 3.90μm versus 3.76μm for the E-M5 II) due to its larger sensor. However, the E-M5 II is a much more recent model (by 3 years and 5 months) than the NEX-7, 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 Sony NEX-7 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the NEX-7 for good quality output (200 dots per inch) amounts to 30 x 20 inches or 76.2 x 50.8 cm, for very good quality (250 dpi) 24 x 16 inches or 61 x 40.6 cm, and for excellent quality (300 dpi) 20 x 13.3 inches or 50.8 x 33.9 cm. The corresponding values for the Olympus E-M5 II 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.

Unlike the NEX-7, the E-M5 II has the capacity to capture high quality composite images (40MP) 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 Sony Alpha NEX-7 has a native sensitivity range from ISO 100 to ISO 16000. The corresponding ISO settings for the Olympus OM-D E-M5 Mark II 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.

NEX-7 versus E-M5 II MP

For many cameras, data on sensor performance has been reported by DXO Mark. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). Of the two cameras under review, the NEX-7 has a notably higher overall DXO score than the E-M5 II (overall score 8 points higher), which gives it an advantage in terms of imaging quality. This advantage is based on 1.1 bits higher color depth, 0.9 EV in additional dynamic range, and 0.3 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.
 
Sony NEX-7 APS-C 24.0 6000 40001080/60i24.113.4101681
2.
 
Olympus E-M5 II Four Thirds 15.9 4608 34561080/60p23.012.584273
3.
 
Fujifilm X100 APS-C 12.2 4288 2848720/30p22.912.4100173
4.
 
Olympus E-M5 III Four Thirds 20.2 5184 38884K/30p23.313.1132476
5.
 
Olympus E-M10 II Four Thirds 15.9 4608 34561080/60p23.112.584273
6.
 
Olympus E-M10 Four Thirds 15.9 4608 34561080/30p22.812.388472
7.
 
Olympus E-M1 Four Thirds 15.9 4608 34561080/30p23.012.775773
8.
 
Olympus E-M5 Four Thirds 15.9 4608 34561080/60i22.812.382671
9.
 
Sony A6400 APS-C 24.0 6000 40004K/30p24.013.6143183
10.
 
Sony A6000 APS-C 24.0 6000 40001080/60p24.113.1134782
11.
 
Sony A3000 APS-C 19.8 5456 36321080/60i23.712.8106878
12.
 
Sony NEX-6 APS-C 16.0 4912 32641080/60i23.713.1101878
13.
 
Sony RX1 Full Frame 24.0 6000 40001080/60p25.114.3253493
14.
 
Sony NEX-5N APS-C 16.0 4912 32641080/60i23.612.7107977
15.
 
Sony NEX-C3 APS-C 16.0 4912 3264720/30p22.712.2108373
16.
 
Sony NEX-3 APS-C 14.0 4592 3056720/30p22.112.083068
17.
 
Sony NEX-5 APS-C 14.0 4592 30561080/60i22.212.279669
Note: DXO values in italics represent estimates based on sensor size and age.
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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 E-M5 II provides a faster frame rate than the NEX-7. It can shoot movie footage at 1080/60p, while the Sony is limited to 1080/60i.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. The two cameras under review are similar with respect to both having an electronic viewfinder. However, the one in the E-M5 II offers a slightly higher resolution than the one in the NEX-7 (2360k vs 2359k dots). The adjacent table lists some of the other core features of the Sony NEX-7 and Olympus E-M5 II 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.
 
Sony NEX-72359 n3.0 / 921 tilting n 1/4000s 10.0/s Y n
2.
 
Olympus E-M5 II2360 n3.0 / 1037 swivel Y 1/8000s 10.0/s n Y
3.
 
Fujifilm X1001440 n2.8 / 460 fixed n 1/4000s 5.0/s Y n
4.
 
Olympus E-M5 III2360 n3.0 / 1040 swivel Y 1/8000s 10.0/s n Y
5.
 
Olympus E-M10 II2360 n3.0 / 1040 tilting Y 1/4000s 8.0/s Y Y
6.
 
Olympus E-M101440 n3.0 / 1037 tilting Y 1/4000s 8.0/s Y Y
7.
 
Olympus E-M12360 n3.0 / 1037 tilting Y 1/8000s 10.0/s n Y
8.
 
Olympus E-M51440 n3.0 / 610 tilting Y 1/4000s 9.0/s n Y
9.
 
Sony A64002359 n3.0 / 922 tilting Y 1/4000s 11.0/s Y n
10.
 
Sony A60001440 n3.0 / 922 tilting n 1/4000s 11.0/s Y n
11.
 
Sony A3000202 n3.0 / 230 fixed n 1/4000s 2.5/s Y n
12.
 
Sony NEX-62359 n3.0 / 921 tilting n 1/4000s 10.0/s Y n
13.
 
Sony RX1optional n3.0 / 1229 fixed n 1/4000s 5.0/s Y n
14.
 
Sony NEX-5Noptional n3.0 / 920 tilting Y 1/4000s 10.0/s n n
15.
 
Sony NEX-C3optional n3.0 / 920 tilting n 1/4000s 5.5/s n n
16.
 
Sony NEX-3optional n3.0 / 920 tilting n 1/4000s 7.0/s n n
17.
 
Sony NEX-5optional n3.0 / 920 tilting n 1/4000s 7.0/s n n
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
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One difference between the cameras concerns the presence of an on-board flash. The NEX-7 has one, while the E-M5 II does not. While the built-in flash of the NEX-7 is not very powerful, it can at times be useful as a fill-in light.

The E-M5 II 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 NEX-7 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 II 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-M5 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 NEX-7 writes its imaging data to SDXC or Memory Stick PRO Duo cards, while the E-M5 II uses SDXC cards. The E-M5 II supports UHS-II cards (Ultra High Speed data transfer of up to 312 MB/s), while the NEX-7 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 Sony Alpha NEX-7 and Olympus OM-D E-M5 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.
 
Sony NEX-7Ystereo / monoY-mini2.0---
2.
 
Olympus E-M5 IIYstereo / monoY-micro2.0Y--
3.
 
Fujifilm X100Ystereo / ---mini2.0---
4.
 
Olympus E-M5 IIIYstereo / monoY-micro2.0Y-Y
5.
 
Olympus E-M10 IIYstereo / mono--micro2.0Y--
6.
 
Olympus E-M10Ystereo / mono--micro2.0Y--
7.
 
Olympus E-M1Ystereo / monoY-micro2.0Y--
8.
 
Olympus E-M5Ystereo / mono--mini2.0---
9.
 
Sony A6400Ystereo / monoY-micro2.0YYY
10.
 
Sony A6000Ystereo / mono--micro2.0YY-
11.
 
Sony A3000Ystereo / mono--mini2.0---
12.
 
Sony NEX-6Ystereo / mono--mini2.0Y--
13.
 
Sony RX1Ystereo / monoY-mini2.0---
14.
 
Sony NEX-5NYstereo / mono--mini2.0---
15.
 
Sony NEX-C3Ystereo / mono--mini2.0---
16.
 
Sony NEX-3Ystereo / mono--mini2.0---
17.
 
Sony NEX-5Ystereo / mono--mini2.0---
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It is notable that the E-M5 II offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the NEX-7 does not provide wifi capability.

Studio photographers will appreciate that the Olympus E-M5 II (unlike the NEX-7) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the NEX-7 and the E-M5 II have been discontinued, but can regularly be found used on ebay. The E-M5 II was replaced by the Olympus E-M5 III, while the NEX-7 does not have a direct successor. Further information on the features and operation of the NEX-7 and E-M5 II can be found, respectively, in the Sony NEX-7 Manual (free pdf) or the online Olympus E-M5 II Manual.

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Review summary

So what is the bottom line? Which of the two cameras – the Sony NEX-7 or the Olympus E-M5 II – has the upper hand? Is one clearly better than the other? A synthesis of the relative strong points of each of the models is listed below.

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Arguments in favor of the Sony Alpha NEX-7:

  • More detail: Offers more megapixels (24 vs 15.9MP) with a 25% higher linear resolution.
  • Better image quality: Scores markedly higher (8 points) in the DXO overall assessment.
  • Richer colors: Generates images with noticeably better colors (1.1 bits more color depth).
  • More dynamic range: Captures a larger spectrum of light and dark details (0.9 EV of extra DR).
  • More compact: Is smaller (120x67mm vs 124x85mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 69g or 15 percent) and hence easier to carry around.
  • Longer lasting: Can take more shots (430 versus 310) on a single battery charge.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • More heavily discounted: Has been available for much longer (launched in August 2011).

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

  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Better video: Provides higher movie framerates (1080/60p versus 1080/60i).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.74x vs 0.73x).
  • More detailed LCD: Has a higher resolution rear screen (1037k vs 921k dots).
  • 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 shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-II standard.
  • More affordable: Was released into a lower priced segment (19 percent cheaper at launch).
  • More modern: Reflects 3 years and 5 months of technical progress since the NEX-7 launch.

If the count of relative strengths (bullet points above) is taken as a measure, the E-M5 II is the clear winner of the contest (17 : 9 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.

NEX-7 09:17 E-M5 II

How about other alternatives? Do the specifications of the Sony NEX-7 and the Olympus E-M5 II place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera listing 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 NEX-7 or the E-M5 II perform in practice. 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 where reviews by experts come in. The adjacent summary-table relays the overall verdicts of several of the most popular 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.
 
Sony NEX-75/5+ +..81/1004.5/55/5 Aug 2011 1,349ebay.com
2.
 
Olympus E-M5 II5/5+ +4.5/581/1005/55/5 Feb 2015 1,099ebay.com
3.
 
Fujifilm X1003/5....75/1004/55/5 Sep 2010 1,199ebay.com
4.
 
Olympus E-M5 III5/5+5/582/1004.5/54.5/5 Oct 2019 1,199ebay.com
5.
 
Olympus E-M10 II4.5/5+ +..80/1005/55/5 Aug 2015 649ebay.com
6.
 
Olympus E-M104/5....80/1005/55/5 Jan 2014 699ebay.com
7.
 
Olympus E-M15/5+ +..84/1004.5/54.5/5 Sep 2013 1,399ebay.com
8.
 
Olympus E-M54/5+ +..80/1004.5/55/5 Feb 2012 1,299ebay.com
9.
 
Sony A64004/5+4/585/1004.5/54/5 Jan 2019 899 amazon.com
10.
 
Sony A60005/5+4.5/580/1004.5/55/5 Feb 2014 599ebay.com
11.
 
Sony A30003/5+....4/54/5 Aug 2013 329ebay.com
12.
 
Sony NEX-65/5+ +..78/1004.5/54.5/5 Sep 2012 999ebay.com
13.
 
Sony RX15/5....79/1004/54.5/5 Sep 2012 2,799ebay.com
14.
 
Sony NEX-5N3/5+ +..79/1004.5/54.5/5 Aug 2011 699ebay.com
15.
 
Sony NEX-C33/5+ +..74/1004.5/54/5 Jun 2011 599ebay.com
16.
 
Sony NEX-3......70/1004.5/54/5 May 2010 599ebay.com
17.
 
Sony NEX-53/5+ +..71/1004.5/54/5 May 2010 699ebay.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 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 your choice using the following search menu. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Sony NEX-7 vs Olympus E-M5 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 Sony NEX-7 Olympus E-M5 II
    Camera Type Mirrorless system camera Mirrorless system camera
    Camera Lens Sony E mount lenses Micro Four Thirds lenses
    Launch Date August 2011 February 2015
    Launch Price USD 1,349 USD 1,099
    Sensor Specs Sony NEX-7 Olympus E-M5 II
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor Four Thirds Sensor
    Sensor Size 23.4 x 15.6 mm 17.3 x 13.0 mm
    Sensor Area 365.04 mm2 224.9 mm2
    Sensor Diagonal 28.1 mm 21.6 mm
    Crop Factor 1.5x 2.0x
    Sensor Resolution 24 Megapixels 15.9 Megapixels
    Image Resolution 6000 x 4000 pixels 4608 x 3456 pixels
    Pixel Pitch 3.90 μm 3.76 μm
    Pixel Density 6.57 MP/cm2 7.08 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/60i Video 1080/60p Video
    ISO Setting 100 - 16,000 ISO 200 - 25,600 ISO
    ISO Boost no Enhancement 100 - 25,600 ISO
    Image Processor BIONZ TruePic VII
    DXO Sensor Quality (score) 81 73
    DXO Color Depth (bits) 24.1 23.0
    DXO Dynamic Range (EV) 13.4 12.5
    DXO Low Light (ISO) 1016 842
    Screen Specs Sony NEX-7 Olympus E-M5 II
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.73x 0.74x
    Viewfinder Resolution 2359k dots 2360k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 921k dots 1037k dots
    LCD Attachment Tilting screen Swivel screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Sony NEX-7 Olympus E-M5 II
    Focus System Contrast-detect AF Contrast-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/8000s
    Continuous Shooting 10 shutter flaps/s 10 shutter flaps/s
    Electronic Shutterno E-Shutterup to 1/16000s
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash Built-in Flash no On-Board Flash
    Storage Medium MS or SDXC cards SDXC cards
    Single or Dual Card Slots Single card slot Single card slot
    UHS card support no UHS-II
    Connectivity Specs Sony NEX-7 Olympus E-M5 II
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI micro HDMI
    Microphone Port External MIC port External MIC port
    Wifi Support no Wifi Wifi built-in
    Body Specs Sony NEX-7 Olympus E-M5 II
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type Sony NP-FW50 Olympus BLN-1
    Battery Life (CIPA)430 shots per charge310 shots per charge
    Body Dimensions 120 x 67 x 43 mm
    (4.7 x 2.6 x 1.7 in)
    124 x 85 x 45 mm
    (4.9 x 3.3 x 1.8 in)
    Camera Weight 400 g (14.1 oz) 469 g (16.5 oz)
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