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Nikon D850 vs Olympus E-M10 IV

The Nikon D850 and the Olympus OM-D E-M10 Mark IV are two digital cameras that were revealed to the public, respectively, in July 2017 and August 2020. The D850 is a DSLR, while the E-M10 IV is a mirrorless interchangeable lens camera. The cameras are based on a full frame (D850) and a Four Thirds (E-M10 IV) sensor. The Nikon has a resolution of 45.4 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 D850
versus
Olympus E-M10 IV
Nikon D850   Olympus E-M10 IV
Digital single lens reflex Mirrorless system camera
Nikon F mount lenses Micro Four Thirds lenses
45.4 MP – Full Frame sensor 20.2 MP – Four Thirds sensor
4K/30p Video 4K/30p Video
ISO 64-25,600 (32 - 102,400) ISO 200-25,600
Optical viewfinder Electronic viewfinder (2360k dots)
3.2" LCD – 2359k dots 3.0" LCD – 1040k dots
Tilting touchscreen Tilting touchscreen
9 shutter flaps per second 15 shutter flaps per second
Lens stabilization onlyIn-body stabilization
Weathersealed bodynot weather sealed
1840 shots per battery charge360 shots per battery charge
146 x 124 x 79 mm, 1005 g 122 x 84 x 49 mm, 383 g
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Check D850 price at
amazon.com
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Check E-M10 IV price at
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Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon D850 and the Olympus OM-D E-M10 Mark IV? 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 D850 and the Olympus E-M10 IV are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive views from the front, the top, and the rear side are shown. All width, height and depth dimensions are rounded to the nearest millimeter.

The E-M10 IV can be obtained in two different colors (black, silver), while the D850 is only available in black.

Size Nikon D850 vs Olympus E-M10 IV
Compare D850 versus E-M10 IV top
Comparison D850 or E-M10 IV rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Olympus E-M10 IV is considerably smaller (43 percent) than the Nikon D850. Moreover, the E-M10 IV is substantially lighter (62 percent) than the D850. It is worth mentioning in this context that the D850 is splash and dust resistant, while the E-M10 IV 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 Nikon Lens Catalog (D850) and the Micro Four Thirds Lens Catalog (E-M10 IV). Mirrorless cameras, such as the E-M10 IV, 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 D850 gets 1840 shots out of its EN-EL15a battery, while the E-M10 IV can take 360 images on a single charge of its BLS-50 power pack. The power pack in the E-M10 IV can be charged via the USB port, which can be very convenient when travelling.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. 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
    Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Nikon D850 146 mm 124 mm 79 mm 1005 g 1840 Y Jul 2017 3,299 amazon.com
2.
 
Olympus E-M10 IV 122 mm 84 mm 49 mm 383 g 360 n Aug 2020 699 amazon.com
3.
 
Canon 5D Mark IV 151 mm 116 mm 76 mm 890 g 900 Y Aug 2016 3,499 amazon.com
4.
 
Canon 5DS 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 3,699 amazon.com
5.
 
Canon 5DS R 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 3,699 amazon.com
6.
 
Nikon D5 160 mm 159 mm 92 mm 1415 g 3780 Y Jan 2016 6,499ebay.com
7.
 
Nikon D500 147 mm 115 mm 81 mm 860 g 1240 Y Jan 2016 1,999 amazon.com
8.
 
Nikon D810 146 mm 123 mm 82 mm 980 g 1200 Y Jun 2014 3,299ebay.com
9.
 
Nikon Df 144 mm 110 mm 67 mm 760 g 1400 Y Nov 2013 2,749ebay.com
10.
 
Nikon D610 141 mm 113 mm 82 mm 850 g 900 Y Oct 2013 1,999 amazon.com
11.
 
Nikon D800 146 mm 123 mm 82 mm 1000 g 900 Y Feb 2012 2,999ebay.com
12.
 
Nikon D800E 146 mm 123 mm 82 mm 1000 g 900 Y Feb 2012 3,299ebay.com
13.
 
Olympus E-P7 118 mm 69 mm 38 mm 337 g 360 n Jun 2021 799 amazon.com
14.
 
Olympus E-PL10 117 mm 68 mm 39 mm 380 g 350 n Oct 2019 599 amazon.com
15.
 
Olympus E-M10 III 122 mm 84 mm 50 mm 410 g 330 n Aug 2017 649ebay.com
16.
 
Olympus E-M10 II 120 mm 83 mm 47 mm 390 g 320 n Aug 2015 649ebay.com
17.
 
Olympus E-M10 119 mm 82 mm 46 mm 396 g 320 n Jan 2014 699ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

Any camera decision will naturally be influenced heavily by the price. The manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The E-M10 IV was launched at a markedly lower price (by 79 percent) than the D850, which puts it into a different market segment. Usually, retail prices stay at first close to the launch price, but after several months, discounts become available. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down.

Sensor comparison

The size of the imaging sensor is a crucial determinant of image quality. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixels in a sensor of the same technological generation. Moreover, a large sensor camera will give the photographer more control over depth-of-field in the image and, thus, the ability to better isolate a subject from the background. On the downside, larger sensors tend to be more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Nikon D850 features a full frame sensor and the Olympus E-M10 IV a Four Thirds sensor. The sensor area in the E-M10 IV 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 D850 has a native 3:2 aspect ratio, while the one in the E-M10 IV offers a 4:3 aspect.

Nikon D850 and Olympus E-M10 IV sensor measures

With 45.4MP, the D850 offers a higher resolution than the E-M10 IV (20.2MP), but the D850 nevertheless has larger individual pixels (pixel pitch of 4.35μm versus 3.34μm for the E-M10 IV) due to its larger sensor. However, the E-M10 IV is a much more recent model (by 3 years) than the D850, 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 D850 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the D850 for good quality output (200 dots per inch) amounts to 41.3 x 27.5 inches or 104.9 x 69.9 cm, for very good quality (250 dpi) 33 x 22 inches or 83.9 x 55.9 cm, and for excellent quality (300 dpi) 27.5 x 18.3 inches or 69.9 x 46.6 cm. The corresponding values for the Olympus E-M10 IV are 25.9 x 19.4 inches or 65.8 x 49.4 cm for good quality, 20.7 x 15.6 inches or 52.7 x 39.5 cm for very good quality, and 17.3 x 13 inches or 43.9 x 32.9 cm for excellent quality prints.

The Nikon D850 has a native sensitivity range from ISO 64 to ISO 25600, which can be extended to ISO 32-102400. The corresponding ISO settings for the Olympus OM-D E-M10 Mark IV are ISO 200 to ISO 25600, with the possibility to increase the ISO range to 100-25600.

In terms of underlying technology, the D850 is build around a BSI-CMOS sensor, while the E-M10 IV uses a CMOS imager. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

D850 versus E-M10 IV MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. 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 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
    Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Nikon D850 Full Frame 45.4 8256 55044K/30p26.414.82660100
2.
 
Olympus E-M10 IV Four Thirds 20.2 5184 38884K/30p23.313.2140276
3.
 
Canon 5D Mark IV Full Frame 30.1 6720 44804K/30p24.813.6299591
4.
 
Canon 5DS Full Frame 50.3 8688 57921080/30p24.712.4238187
5.
 
Canon 5DS R Full Frame 50.3 8688 57921080/30p24.612.4230886
6.
 
Nikon D5 Full Frame 20.7 5588 37124K/30p25.112.3234388
7.
 
Nikon D500 APS-C 20.7 5568 37124K/30p24.014.0132483
8.
 
Nikon D810 Full Frame 36.2 7360 49121080/60p25.714.8285397
9.
 
Nikon Df Full Frame 16.2 4928 3280none24.613.1327989
10.
 
Nikon D610 Full Frame 24.2 6016 40161080/30p25.114.4292594
11.
 
Nikon D800 Full Frame 36.2 7360 49121080/30p25.314.4285395
12.
 
Nikon D800E Full Frame 36.2 7360 49121080/30p25.614.3297996
13.
 
Olympus E-P7 Four Thirds 20.2 5184 38884K/30p23.413.3149477
14.
 
Olympus E-PL10 Four Thirds 15.9 4608 34564K/30p23.313.1132476
15.
 
Olympus E-M10 III Four Thirds 15.9 4608 34564K/30p23.112.8112074
16.
 
Olympus E-M10 II Four Thirds 15.9 4608 34561080/60p23.112.584273
17.
 
Olympus E-M10 Four Thirds 15.9 4608 34561080/30p22.812.388472
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras are not only capable of taking still images, but can also record movies. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, and both provide the same movie specifications (4K/30p).

Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the E-M10 IV has an electronic viewfinder (2360k dots), while the D850 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 D850 has a higher magnification than the one of the E-M10 IV (0.75x vs 0.62x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The adjacent table lists some of the other core features of the Nikon D850 and Olympus E-M10 IV along with similar information for a selection of comparators.

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Core Features
    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.
 
Nikon D850optical Y3.2 / 2359 tilting Y 1/8000s 9.0/s n n
2.
 
Olympus E-M10 IV2360 n3.0 / 1040 tilting Y 1/4000s 15.0/s Y Y
3.
 
Canon 5D Mark IVoptical Y3.2 / 1620 fixed Y 1/8000s 7.0/s n n
4.
 
Canon 5DSoptical Y3.2 / 1040 fixed n 1/8000s 5.0/s n n
5.
 
Canon 5DS Roptical Y3.2 / 1040 fixed n 1/8000s 5.0/s n n
6.
 
Nikon D5optical Y3.2 / 2359 fixed Y 1/8000s 14.0/s n n
7.
 
Nikon D500optical Y3.2 / 2359 tilting Y 1/8000s 10.0/s n n
8.
 
Nikon D810optical Y3.2 / 1229 fixed n 1/8000s 5.0/s Y n
9.
 
Nikon Dfoptical Y3.2 / 921 fixed n 1/4000s 5.5/s n n
10.
 
Nikon D610optical Y3.2 / 921 fixed n 1/4000s 6.0/s Y n
11.
 
Nikon D800optical Y3.2 / 921 fixed n 1/8000s 4.0/s Y n
12.
 
Nikon D800Eoptical Y3.2 / 921 fixed n 1/8000s 4.0/s Y n
13.
 
Olympus E-P7none n3.0 / 1040 tilting Y 1/4000s 8.7/s Y Y
14.
 
Olympus E-PL10none n3.0 / 1040 tilting Y 1/4000s 8.6/s Y Y
15.
 
Olympus E-M10 III2360 n3.0 / 1040 tilting Y 1/4000s 8.6/s Y Y
16.
 
Olympus E-M10 II2360 n3.0 / 1040 tilting Y 1/4000s 8.0/s Y Y
17.
 
Olympus E-M101440 n3.0 / 1037 tilting Y 1/4000s 8.0/s Y Y
Notes: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One feature that is present on the D850, but is missing on the E-M10 IV is a top-level LCD. While being, of course, smaller than the rear screen, the control panel conveys some of the essential shooting information and can be convenient for quick and easy settings verification.

The E-M10 IV 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 D850 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-M10 IV 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 D850 and the Olympus E-M10 IV 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.

The D850 writes its imaging data to SDXC or XQD cards, while the E-M10 IV uses SDXC cards. The D850 features dual card slots, which can be very useful in case a memory card fails. In contrast, the E-M10 IV only has one slot. Both cameras support UHS-II cards, which provide for Ultra High Speed data transfer of up to 312 MB/s.

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 D850 and Olympus OM-D E-M10 Mark IV and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
    Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Nikon D850Ystereo / monoYYmini3.0YYY
2.
 
Olympus E-M10 IVYstereo / mono--micro2.0Y-Y
3.
 
Canon 5D Mark IVYmono / monoYYmini3.0YY-
4.
 
Canon 5DSYmono / monoY-mini3.0---
5.
 
Canon 5DS RYmono / monoY-mini3.0---
6.
 
Nikon D5Ystereo / monoYYmini3.0---
7.
 
Nikon D500Ystereo / monoYYmini3.0YYY
8.
 
Nikon D810Ystereo / monoYYmini3.0Y--
9.
 
Nikon DfY- / ---mini2.0---
10.
 
Nikon D610Ymono / monoYYmini2.0---
11.
 
Nikon D800Ymono / monoYYmini3.0---
12.
 
Nikon D800EYmono / monoYYmini3.0---
13.
 
Olympus E-P7Ystereo / mono--micro2.0Y-Y
14.
 
Olympus E-PL10Ystereo / mono--micro2.0Y-Y
15.
 
Olympus E-M10 IIIYstereo / mono--micro2.0Y--
16.
 
Olympus E-M10 IIYstereo / mono--micro2.0Y--
17.
 
Olympus E-M10Ystereo / mono--micro2.0Y--

It is notable that the D850 has a microphone port, which is missing on the E-M10 IV. 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 Nikon D850 (unlike the E-M10 IV) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the D850 and the E-M10 IV are recent models that are part of the current product line-up. The D850 replaced the earlier Nikon D810, while the E-M10 IV followed on from the Olympus E-M10 III. Further information on the features and operation of the D850 and E-M10 IV can be found, respectively, in the Nikon D850 Manual (free pdf) or the online Olympus E-M10 IV Manual.

Review summary

So what conclusions can be drawn? Is the Nikon D850 better than the Olympus E-M10 IV 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 D850:

  • More detail: Offers more megapixels (45.4 vs 20.2MP) with a 53% higher linear resolution.
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.75x vs 0.62x).
  • 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 (2359k vs 1040k dots).
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Longer lasting: Can take more shots (1840 versus 360) on a single battery charge.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • Faster data transfer: Supports a more advanced USB protocol (3.0 vs 2.0).
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • More heavily discounted: Has been available for much longer (launched in July 2017).

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Arguments in favor of the Olympus OM-D E-M10 Mark IV:

  • More framing info: Has an electronic viewfinder that displays shooting data.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster burst: Shoots at higher frequency (15 vs 9 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More compact: Is smaller (122x84mm vs 146x124mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 622g or 62 percent) and is thus easier to take along.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • 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.
  • More affordable: Was introduced into a lower priced category (79 percent cheaper at launch).
  • More modern: Reflects 3 years of technical progress since the D850 launch.

If the count of individual advantages (bullet points above) is taken as a guide, the D850 is the clear winner of the match-up (16 : 12 points). 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 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.

D850 16:12 E-M10 IV

How about other alternatives? Do the specifications of the Nikon D850 and the Olympus E-M10 IV 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 D850 or the E-M10 IV 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 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
     Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Nikon D8504.5/5+ +5/589/1004.5/55/5 Jul 2017 3,299 amazon.com
2.
 
Olympus E-M10 IV4.5/5..5/581/1004.5/54.5/5 Aug 2020 699 amazon.com
3.
 
Canon 5D Mark IV4.5/5+ +4/587/1004.5/54.5/5 Aug 2016 3,499 amazon.com
4.
 
Canon 5DS..+..83/1004.5/54.5/5 Feb 2015 3,699 amazon.com
5.
 
Canon 5DS R5/5+..83/1005/54.5/5 Feb 2015 3,699 amazon.com
6.
 
Nikon D5....4/589/1004.5/55/5 Jan 2016 6,499ebay.com
7.
 
Nikon D5005/5+ +4.7/591/1004.5/55/5 Jan 2016 1,999 amazon.com
8.
 
Nikon D8105/5..5/586/1005/54.5/5 Jun 2014 3,299ebay.com
9.
 
Nikon Df4/5....81/1004/54/5 Nov 2013 2,749ebay.com
10.
 
Nikon D6104/5+ +..87/1004.5/54.5/5 Oct 2013 1,999 amazon.com
11.
 
Nikon D8005/5+ +..82/1005/55/5 Feb 2012 2,999ebay.com
12.
 
Nikon D800E......84/1005/55/5 Feb 2012 3,299ebay.com
13.
 
Olympus E-P74/5..4.5/5....4.5/5 Jun 2021 799 amazon.com
14.
 
Olympus E-PL10....4/577/100..4/5 Oct 2019 599 amazon.com
15.
 
Olympus E-M10 III..+5/580/1004.5/54.5/5 Aug 2017 649ebay.com
16.
 
Olympus E-M10 II4.5/5+ +..80/1005/55/5 Aug 2015 649ebay.com
17.
 
Olympus E-M104/5....80/1005/55/5 Jan 2014 699ebay.com
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted with care, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. 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. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

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Check D850 price at
amazon.com
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Check E-M10 IV price at
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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 D850 vs Olympus E-M10 IV

    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 D850 Olympus E-M10 IV
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Nikon F mount lenses Micro Four Thirds lenses
    Launch Date July 2017 August 2020
    Launch Price USD 3,299 USD 699
    Sensor Specs Nikon D850 Olympus E-M10 IV
    Sensor Technology BSI-CMOS CMOS
    Sensor Format Full Frame Sensor Four Thirds Sensor
    Sensor Size 35.9 x 23.9 mm 17.3 x 13.0 mm
    Sensor Area 858.01 mm2 224.9 mm2
    Sensor Diagonal 43.1 mm 21.6 mm
    Crop Factor 1.0x 2.0x
    Sensor Resolution 45.4 Megapixels 20.2 Megapixels
    Image Resolution 8256 x 5504 pixels 5184 x 3888 pixels
    Pixel Pitch 4.35 μm 3.34 μm
    Pixel Density 5.30 MP/cm2 8.96 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 4K/30p Video 4K/30p Video
    ISO Setting 64 - 25,600 ISO 200 - 25,600 ISO
    ISO Boost 32 - 102,400 ISO 100 - 25,600 ISO
    Image Processor EXPEED 5 TruePic VIII
    DXO Sensor Quality (score) 100 ..
    DXO Color Depth (bits) 26.4 ..
    DXO Dynamic Range (EV) 14.8 ..
    DXO Low Light (ISO) 2660 ..
    Screen Specs Nikon D850 Olympus E-M10 IV
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.75x 0.62x
    Viewfinder Resolution 2360k dots
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.2inch 3.0inch
    LCD Resolution 2359k dots 1040k dots
    LCD Attachment Tilting screen Tilting screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Nikon D850 Olympus E-M10 IV
    Focus System Phase-detect AF Contrast-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/4000s
    Continuous Shooting 9 shutter flaps/s 15 shutter flaps/s
    Electronic Shutterno E-Shutterup to 1/16000s
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash no On-Board Flash Built-in Flash
    Storage Medium SDXC or XQD cards SDXC cards
    Single or Dual Card Slots Dual card slots Single card slot
    UHS card support UHS-II UHS-II
    Connectivity Specs Nikon D850 Olympus E-M10 IV
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 3.0 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 Wifi built-in Wifi built-in
    Near-Field Communication NFC built-in no NFC
    Bluetooth Support Bluetooth built-in Bluetooth built-in
    Body Specs Nikon D850 Olympus E-M10 IV
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type EN-EL15a BLS-50
    Battery Life (CIPA)1840 shots per charge360 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 146 x 124 x 79 mm
    (5.7 x 4.9 x 3.1 in)
    122 x 84 x 49 mm
    (4.8 x 3.3 x 1.9 in)
    Camera Weight 1005 g (35.5 oz) 383 g (13.5 oz)
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