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Nikon D7100 vs Olympus E-M1 II

The Nikon D7100 and the Olympus OM-D E-M1 Mark II are two enthusiast cameras that were announced, respectively, in February 2013 and September 2016. The D7100 is a DSLR, while the E-M1 II is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (D7100) and a Four Thirds (E-M1 II) sensor. The Nikon has a resolution of 24 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
Nikon D7100 VS Olympus E-M1 II
Nikon D7100 Olympus E-M1 II
Digital single lens reflex Mirrorless system camera
Nikon F mount lenses Micro Four Thirds lenses
24 MP, APS-C Sensor 20.2 MP, Four Thirds Sensor
1080/60p Video 4K/30p Video
ISO 100-6400 (50-25600) ISO 200-25600
Optical viewfinder Electronic viewfinder (2360k dots)
3.2" LCD, 1229k dots 3.0" LCD, 1037k dots
Fixed screen (not touch-sensitive) Swivel touchscreen
6 shutter flaps per second 18 shutter flaps per second
Lens stabilization onlyIn-body stabilization
Weathersealed bodyWeathersealed body
950 shots per battery charge440 shots per battery charge
136 x 107 x 76 mm, 765 g 134 x 91 x 67 mm, 574 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon D7100 and the Olympus OM-D E-M1 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.

Body comparison

The physical size and weight of the Nikon D7100 and the Olympus E-M1 II are illustrated in the side-by-side display below. 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 measures are rounded to the nearest millimeter.

Size Nikon D7100 vs Olympus E-M1 II
Compare D7100 versus E-M1 II top
Comparison D7100 or E-M1 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-M1 II is notably smaller (16 percent) than the Nikon D7100. Moreover, the E-M1 II is markedly lighter (25 percent) than the D7100. In this context, it is worth noting that both cameras are splash and dust-proof and can, hence, be used in inclement weather conditions or harsh environments.

The above size and weight comparisons are to some extent incomplete since they do not consider the interchangeable lenses that both of these cameras require. A larger imaging sensor will tend to go along with bigger and heavier lenses, although exceptions exist. You can compare the optics available for the two cameras in the Nikon Lens Catalog (D7100) and the Micro Four Thirds Lens Catalog (E-M1 II). Mirrorless cameras, such as the E-M1 II, 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 D7100 gets 950 shots out of its EN-EL15 battery, while the E-M1 II can take 440 images on a single charge of its BLH-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, just click on the right or left arrow next to the camera that you would like to inspect. Alternatively, you can also use the CAM-parator to select your camera combination among a larger number of options.

Camera Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(yes/no)
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Camera
Model
 
Nikon D7100» 136 mm 107 mm 76 mm 765 g 950 Y Feb 2013 1,199iNikon D7100
 
Olympus E-M1 II« 134 mm 91 mm 67 mm 574 g 440 Y Sep 2016 1,999iOlympus E-M1 II
 
Canon 80D« » 139 mm 105 mm 79 mm 730 g 960 Y Feb 2016 1,199iCanon 80D
 
Canon 70D« » 139 mm 104 mm 79 mm 755 g 920 Y Jul 2013 1,199iCanon 70D
 
Nikon D7500« » 136 mm 104 mm 73 mm 720 g 950 Y Apr 2017 1,299 iNikon D7500
 
Nikon D500« » 147 mm 115 mm 81 mm 860 g 1240 Y Jan 2016 1,999 iNikon D500
 
Nikon D7200« » 136 mm 107 mm 76 mm 765 g 1110 Y Mar 2015 1,199iNikon D7200
 
Nikon D750« » 141 mm 113 mm 78 mm 750 g 1230 Y Sep 2014 2,299iNikon D750
 
Nikon D610« » 141 mm 113 mm 82 mm 850 g 900 Y Oct 2013 1,999 iNikon D610
 
Nikon D600« » 141 mm 113 mm 82 mm 850 g 900 Y Sep 2012 2,099iNikon D600
 
Nikon D7000« » 132 mm 105 mm 77 mm 780 g 1050 Y Sep 2010 1,499iNikon D7000
 
Olympus E-M1 III« » 134 mm 91 mm 69 mm 580 g 420 Y Feb 2020 1,799 iOlympus E-M1 III
 
Olympus E-M1« » 130 mm 94 mm 63 mm 497 g 350 Y Sep 2013 1,399iOlympus E-M1
 
Panasonic G9« » 137 mm 97 mm 92 mm 658 g 400 Y Nov 2017 1,699 iPanasonic G9
 
Panasonic GH5« » 139 mm 98 mm 87 mm 725 g 410 Y Jan 2017 1,999 iPanasonic GH5
 
Panasonic GX8« » 133 mm 78 mm 63 mm 487 g 330 Y Jul 2015 1,199iPanasonic GX8
 
Sony RX10« » 129 mm 88 mm 102 mm 813 g 420 Y Oct 2013 1,299iSony RX10
Note: Measurements and pricing do not include easily detachable parts, such as interchangeable lenses or optional viewfinders.

Any camera decision will obviously take relative prices into account. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The D7100 was launched at a markedly lower price (by 40 percent) than the E-M1 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.

 

Sensor comparison

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

Of the two cameras under consideration, the Nikon D7100 features an APS-C sensor and the Olympus E-M1 II a Four Thirds sensor. The sensor area in the E-M1 II is 39 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 D7100 has a native 3:2 aspect ratio, while the one in the E-M1 II offers a 4:3 aspect.

Nikon D7100 and Olympus E-M1 II sensor measures

With 24MP, the D7100 offers a higher resolution than the E-M1 II (20.2MP), but the D7100 nevertheless has larger individual pixels (pixel pitch of 3.91μm versus 3.34μm for the E-M1 II) due to its larger sensor. However, the E-M1 II is a much more recent model (by 3 years and 6 months) than the D7100, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixels. Coming back to sensor resolution, it should be mentioned that neither of the two cameras has an anti-alias filter installed, so they are able to capture all the detail the sensor resolves.

The resolution advantage of the Nikon D7100 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the D7100 for good quality output (200 dots per inch) amounts to 30 x 20 inch or 76.2 x 50.8 cm, for very good quality (250 dpi) 24 x 16 inch or 61 x 40.6 cm, and for excellent quality (300 dpi) 20 x 13.3 inch or 50.8 x 33.9 cm. The corresponding values for the Olympus E-M1 II are 25.9 x 19.4 inch or 65.8 x 49.4 cm for good quality, 20.7 x 15.6 inch or 52.7 x 39.5 cm for very good quality, and 17.3 x 13 inch or 43.9 x 32.9 cm for excellent quality prints.

The E-M1 II has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

Unlike the D7100, the E-M1 II has the capacity to capture high quality composite images (50MP) 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 Nikon D7100 has a native sensitivity range from ISO 100 to ISO 6400, which can be extended to ISO 50-25600. The corresponding ISO settings for the Olympus OM-D E-M1 Mark II are ISO 200 to ISO 25600, with the possibility to increase the ISO range to 64-25600.

D7100 versus E-M1 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"). The Overall DXO ratings for the two cameras under consideration are close, suggesting that they provide similar imaging performance. The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Camera
Model
 
Nikon D7100 APS-C 24.0 6000 40001080/60p24.213.7125683Nikon D7100
 
Olympus E-M1 II Four Thirds 20.2 5184 38884K/30p23.712.8131280Olympus E-M1 II
 
Canon 80D APS-C 24.0 6000 40001080/60p23.613.2113579Canon 80D
 
Canon 70D APS-C 20.0 5472 36481080/30p22.511.692668Canon 70D
 
Nikon D7500 APS-C 20.7 5568 37124K/30p24.314.0148386Nikon D7500
 
Nikon D500 APS-C 20.7 5568 37124K/30p24.014.0132483Nikon D500
 
Nikon D7200 APS-C 24.0 6000 40001080/60p24.514.6133387Nikon D7200
 
Nikon D750 Full Frame 24.2 6016 40161080/60p24.814.5295693Nikon D750
 
Nikon D610 Full Frame 24.2 6016 40161080/30p25.114.4292594Nikon D610
 
Nikon D600 Full Frame 24.2 6016 40161080/30p25.114.2298094Nikon D600
 
Nikon D7000 APS-C 16.1 4928 326410800/24p23.513.9116780Nikon D7000
 
Olympus E-M1 III Four Thirds 20.2 5184 38884K/30p........Olympus E-M1 III
 
Olympus E-M1 Four Thirds 15.9 4608 34561080/30p23.012.775773Olympus E-M1
 
Panasonic G9 Four Thirds 20.2 5184 38884K/60p........Panasonic G9
 
Panasonic GH5 Four Thirds 20.2 5184 38884K/60p23.913.080777Panasonic GH5
 
Panasonic GX8 Four Thirds 20.2 5184 38884K/30p23.512.680675Panasonic GX8
 
Sony RX10 1-inch 20.0 5472 36481080/60p22.912.647469Sony RX10

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-M1 II provides a better video resolution than the D7100. It can shoot movie footage at 4K/30p, while the Nikon is limited to 1080/60p.

 

Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the E-M1 II has an electronic viewfinder (2360k dots), while the D7100 has an optical one. Both systems have their advantages, with the electronic viewfinder making it possible to project supplementary shooting information into the framing view, whereas the optical viewfinder offers lag-free viewing and a very clear framing image. The viewfinders of both cameras offer the same field of view (100%), but the viewfinder of the E-M1 II has a higher magnification than the one of the D7100 (0.74x vs 0.63x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The table below summarizes some of the other core capabilities of the Nikon D7100 and Olympus E-M1 II in connection with corresponding information for a sample of similar cameras.

Core Features
  Camera
Model
Viewfinder
(Type or
'000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
('000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
Camera
Model
 
Nikon D7100optical Y 3.2 1229 fixed n 1/8000s 6.0 Y n Nikon D7100
 
Olympus E-M1 II2360 n 3.0 1037 swivel Y 1/8000s 18.0 n Y Olympus E-M1 II
 
Canon 80Doptical Y 3.0 1040 swivel Y 1/8000s 7.0 Y n Canon 80D
 
Canon 70Doptical Y 3.0 1040 swivel Y 1/8000s 7.0 Y n Canon 70D
 
Nikon D7500optical Y 3.2 922 tilting Y 1/8000s 8.0 Y n Nikon D7500
 
Nikon D500optical Y 3.2 2359 tilting Y 1/8000s 10.0 n n Nikon D500
 
Nikon D7200optical Y 3.2 1229 fixed n 1/8000s 6.0 Y n Nikon D7200
 
Nikon D750optical Y 3.2 1229 tilting n 1/4000s 6.0 Y n Nikon D750
 
Nikon D610optical Y 3.2 921 fixed n 1/4000s 6.0 Y n Nikon D610
 
Nikon D600optical Y 3.0 921 fixed n 1/4000s 5.5 Y n Nikon D600
 
Nikon D7000optical Y 3.0 921 fixed n 1/8000s 6.0 Y n Nikon D7000
 
Olympus E-M1 III2360 n 3.0 1037 swivel Y 1/8000s 18.0 n Y Olympus E-M1 III
 
Olympus E-M12360 n 3.0 1037 tilting Y 1/8000s 10.0 n Y Olympus E-M1
 
Panasonic G93680 Y 3.0 1040 swivel Y 1/8000s 20.0 n Y Panasonic G9
 
Panasonic GH53680 n 3.2 1620 swivel Y 1/8000s 12.0 n Y Panasonic GH5
 
Panasonic GX82360 n 3.0 1040 swivel Y 1/8000s 10.0 n Y Panasonic GX8
 
Sony RX101440 Y 3.0 1229 tilting n 1/3200s 10.0 Y Y Sony RX10

One difference between the cameras concerns the presence of an on-board flash. The D7100 has one, while the E-M1 II does not. While the built-in flash of the D7100 is not very powerful, it can at times be useful as a fill-in light.

The E-M1 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 D7100 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-M1 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 Nikon D7100 and the Olympus E-M1 II both have an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.

Concerning the storage of imaging data, both the D7100 and the E-M1 II write their files to SDXC cards. Both cameras feature dual card slots, which can be very useful in case a memory card fails. The E-M1 II supports UHS-II cards (on its first slot), while the D7100 can use UHS-I cards.

 

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 Nikon D7100 and Olympus OM-D E-M1 Mark II and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

Input-Output Connections
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
 
Nikon D7100YstereomonoYYmini2.0---Nikon D7100
 
Olympus E-M1 IIYstereomonoYYmicro3.0Y--Olympus E-M1 II
 
Canon 80DYstereomonoYYmini2.0YY-Canon 80D
 
Canon 70DYstereomonoY-mini2.0Y--Canon 70D
 
Nikon D7500YstereomonoYYmini2.0Y-YNikon D7500
 
Nikon D500YstereomonoYYmini3.0YYYNikon D500
 
Nikon D7200YstereomonoYYmini2.0YY-Nikon D7200
 
Nikon D750YstereomonoYYmini2.0Y--Nikon D750
 
Nikon D610YmonomonoYYmini2.0---Nikon D610
 
Nikon D600YmonomonoYYmini2.0---Nikon D600
 
Nikon D7000YmonomonoY-mini2.0---Nikon D7000
 
Olympus E-M1 IIIYstereomonoYYmicro3.1Y-YOlympus E-M1 III
 
Olympus E-M1YstereomonoY-micro2.0Y--Olympus E-M1
 
Panasonic G9YstereomonoYYfull3.0Y-YPanasonic G9
 
Panasonic GH5YstereomonoYYfull3.1Y-YPanasonic GH5
 
Panasonic GX8YstereomonoY-micro2.0YY-Panasonic GX8
 
Sony RX10YstereomonoYYmicro2.0YY-Sony RX10

It is notable that the E-M1 II offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the D7100 does not offer wifi capability.

Studio photographers will appreciate that the Olympus E-M1 II (unlike the D7100) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the D7100 and the E-M1 II have been discontinued, but can regularly be found used on eBay. The D7100 was replaced by the Nikon D7200, while the E-M1 II was followed by the Olympus E-M1 III. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Nikon and Olympus websites.

Review summary

So what conclusions can be drawn? Is the Nikon D7100 better than the Olympus E-M1 II or vice versa? A synthesis of the relative strong points of each of the models is listed below.

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Advantages of the Nikon D7100:

  • More detail: Offers more megapixels (24 vs 20.2MP) with a 11% higher linear resolution.
  • More dynamic range: Captures a larger spectrum of light and dark details (0.9 EV of extra DR).
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • 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.
  • More detailed LCD: Has a higher resolution rear screen (1229k vs 1037k dots).
  • Longer lasting: Can take more shots (950 versus 440) on a single battery charge.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • More affordable: Was introduced into a lower priced category (40 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in February 2013).

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Arguments in favor of the Olympus OM-D E-M1 Mark II:

  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Better video: Provides higher definition movie capture (4K/30p vs 1080/60p).
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.74x vs 0.63x).
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster burst: Shoots at higher frequency (18 vs 6 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More compact: Is smaller (134x91mm vs 136x107mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 191g or 25 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.
  • Faster data transfer: Supports a more advanced USB protocol (3.0 vs 2.0).
  • 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: Supports a more advanced SD data transfer standard (UHS-II vs UHS-I).
  • More modern: Reflects 3 years and 6 months of technical progress since the D7100 launch.

If the count of relative strengths (bullet points above) is taken as a measure, the E-M1 II is the clear winner of the contest (19 : 10 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 wedding photographer will view the differences between cameras in a way that diverges from the perspective of a travel photog, and a person interested in cityscapes has distinct needs from a macro shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

D7100 10:19 E-M1 II

How about other alternatives? Do the specifications of the Nikon D7100 and the Olympus E-M1 II 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 incomplete and does no justice, for example, to the way the D7100 or the E-M1 II perform in practice. At times, user reviews, such as those published at amazon, address these issues in a useful manner, but such feedback is on many occasions incomplete, inconsistent, and unreliable.

Expert reviews

This is why expert reviews are important. The adjacent summary-table relays the overall verdicts of several of the most popular camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, and photographyblog). 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.

Review Scores
  Camera
Model
cam
era
  labs  
dp
re
  view  
e
photo
  zine  
ima
ging
resource
photo
graphy
  blog  
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Camera
Model
 
Nikon D7100+ +85/1004.5/55/54.5/5 Feb 2013 1,199iNikon D7100
 
Olympus E-M1 II+ +85/1004.5/55/54.5/5 Sep 2016 1,999iOlympus E-M1 II
 
Canon 80D+ +84/1004.5/54.5/54.5/5 Feb 2016 1,199iCanon 80D
 
Canon 70D+ +83/1004.5/54.5/55/5 Jul 2013 1,199iCanon 70D
 
Nikon D7500+ +86/1005/54.5/54.5/5 Apr 2017 1,299 iNikon D7500
 
Nikon D500+ +91/1004.5/55/55/5 Jan 2016 1,999 iNikon D500
 
Nikon D7200+ +84/1004.5/54/54.5/5 Mar 2015 1,199iNikon D7200
 
Nikon D750+ +90/1004.5/55/54.5/5 Sep 2014 2,299iNikon D750
 
Nikon D610+ +87/1004.5/54.5/54.5/5 Oct 2013 1,999 iNikon D610
 
Nikon D600+ +87/1005/54.5/54.5/5 Sep 2012 2,099iNikon D600
 
Nikon D7000..80/1004.5/55/54.5/5 Sep 2010 1,499iNikon D7000
 
Olympus E-M1 III....4.5/5..4/5 Feb 2020 1,799 iOlympus E-M1 III
 
Olympus E-M1+ +84/1004.5/54.5/54.5/5 Sep 2013 1,399iOlympus E-M1
 
Panasonic G9+ +85/1005/55/55/5 Nov 2017 1,699 iPanasonic G9
 
Panasonic GH5+ +85/1004.5/55/55/5 Jan 2017 1,999 iPanasonic GH5
 
Panasonic GX8+82/1004.5/55/54.5/5 Jul 2015 1,199iPanasonic GX8
 
Sony RX10+80/1004.5/54.5/54.5/5 Oct 2013 1,299iSony RX10
Notes: (+ +) 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. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, please note that some of the review sites have changed their methodology and reporting over time.

Nikon D7100:
Check Ebay offers
Olympus E-M1 II:
Check Ebay offers

Other camera comparisons

Did this review help to inform your camera decision process? In case you would like to check on the differences and similarities of other camera models, 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: Nikon D7100 vs Olympus E-M1 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 Nikon D7100 Olympus E-M1 II
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Nikon F mount lenses Micro Four Thirds lenses
    Launch Date February 2013 September 2016
    Launch Price USD 1199 USD 1999
    Sensor Specs Nikon D7100 Olympus E-M1 II
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor Four Thirds Sensor
    Sensor Size 23.5 x 15.6 mm 17.3 x 13.0 mm
    Sensor Area 366.6 mm2 224.9 mm2
    Sensor Diagonal 28.2 mm 21.6 mm
    Crop Factor 1.5x 2.0x
    Sensor Resolution 24 Megapixels 20.2 Megapixels
    Image Resolution 6000 x 4000 pixels 5184 x 3888 pixels
    Pixel Pitch 3.91 μm 3.34 μm
    Pixel Density 6.55 MP/cm2 8.96 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 1080/60p Video 4K/30p Video
    ISO Setting 100-6400 ISO 200-25600 ISO
    ISO Boost 50-25600 ISO 64-25600 ISO
    Image Processor EXPEED 4 TruePic VIII
    DXO Sensor Quality (score) 83 80
    DXO Color Depth (bits) 24.2 23.7
    DXO Dynamic Range (EV) 13.7 12.8
    DXO Low Light (ISO) 1256 1312
    Screen Specs Nikon D7100 Olympus E-M1 II
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.63x 0.74x
    Viewfinder Resolution 2360k dots
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.2 inch 3.0 inch
    LCD Resolution 1229k dots 1037k dots
    LCD Attachment Fixed screen Swivel screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Nikon D7100 Olympus E-M1 II
    Focus System Phase-detect AF On-Sensor Phase-detect
    Manual Focusing AidNo Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/8000/s 1/8000/s
    Continuous Shooting 6 shutter flaps/s 18 shutter flaps/s
    Shutter Life Expectancy150 000 actuations200 000 actuations
    Electronic Shutterno E-Shutterup to 1/32000s
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash Build-in Flash no On-Board Flash
    Storage Medium SDXC cards SDXC cards
    Second Storage Option Dual card slots Dual card slots
    UHS card support UHS-I Single UHS-II
    Connectivity Specs Nikon D7100 Olympus E-M1 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 micro HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket Headphone port Headphone port
    Wifi Support no Wifi Wifi built-in
    Body Specs Nikon D7100 Olympus E-M1 II
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type EN-EL15 BLH-1
    Battery Life (CIPA)950 shots per charge440 shots per charge
    Body Dimensions 136 x 107 x 76 mm
    (5.4 x 4.2 x 3.0 in)
    134 x 91 x 67 mm
    (5.3 x 3.6 x 2.6 in)
    Camera Weight 765 g (27.0 oz) 574 g (20.2 oz)

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