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Nikon Z9 vs Olympus E-P7

The Nikon Z9 and the Olympus PEN E-P7 are two enthusiast cameras that were officially introduced, respectively, in October 2021 and June 2021. Both the Z9 and the E-P7 are mirrorless interchangeable lens cameras that are based on a full frame (Z9) and a Four Thirds (E-P7) 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 Z9
versus
Olympus E-P7
Nikon Z9   Olympus E-P7
Mirrorless system camera Mirrorless system camera
Nikon Z mount lenses Micro Four Thirds lenses
45.4 MP – Full Frame sensor 20.2 MP – Four Thirds sensor
8K/30p Video 4K/30p Video
ISO 64-25,600 (32 - 102,400) ISO 200-25,600
Electronic viewfinder (3690k dots) No viewfinder, LCD framing
3.2" LCD – 2089k dots 3.0" LCD – 1040k dots
Fully flexible touchscreen Tilting touchscreen
30 shutter flaps per second 8.7 shutter flaps per second
In-body stabilizationIn-body stabilization
Weathersealed bodynot weather sealed
740 shots per battery charge360 shots per battery charge
149 x 150 x 91 mm, 1340 g 118 x 69 x 38 mm, 337 g
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Check Z9 price at
amazon.com
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Check E-P7 price at
amazon.com

Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon Z9 and the Olympus PEN E-P7? 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 side-by-side display below illustrates the physical size and weight of the Nikon Z9 and the Olympus E-P7. 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-P7 can be obtained in three different colors (black, silver, white), while the Z9 is only available in black.

Size Nikon Z9 vs Olympus E-P7
Compare Z9 versus E-P7 top
Comparison Z9 or E-P7 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Olympus E-P7 is considerably smaller (64 percent) than the Nikon Z9. Moreover, the E-P7 is substantially lighter (75 percent) than the Z9. It is worth mentioning in this context that the Z9 is splash and dust resistant, while the E-P7 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. Hence, you might want to study and compare the specifications of available lenses in order to get the full picture of the size and weight of the two camera systems.

As can be seen in the images above, the Z9 has a battery grip built in. This facilitates image-taking in portrait orientation and gives it additional battery power. The power pack in the Z9 can be charged via the USB port, so that it is not always necessary to take the battery charger along when travelling.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. 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
    Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Nikon Z9 149 mm 150 mm 91 mm 1340 g 740 Y Oct 2021 5,499 amazon.com
2.
 
Olympus E-P7 118 mm 69 mm 38 mm 337 g 360 n Jun 2021 799 amazon.com
3.
 
Canon R3 150 mm 143 mm 87 mm 1015 g 760 Y Sep 2021 5,999 amazon.com
4.
 
Canon 1D X Mark III 158 mm 168 mm 83 mm 1440 g 2850 Y Jan 2020 6,499 amazon.com
5.
 
Canon R5 138 mm 98 mm 88 mm 738 g 320 Y Jul 2020 3,899 amazon.com
6.
 
Leica SL2-S 146 mm 107 mm 83 mm 931 g 510 Y Dec 2020 4,895 amazon.com
7.
 
Nikon D6 160 mm 163 mm 92 mm 1270 g 3580 Y Feb 2020 6,499 amazon.com
8.
 
Nikon Z5 134 mm 101 mm 67 mm 675 g 470 Y Jul 2020 1,399 amazon.com
9.
 
Nikon Z7 II 134 mm 101 mm 70 mm 705 g 420 Y Oct 2020 2,999 amazon.com
10.
 
Nikon Z6 II 134 mm 101 mm 70 mm 705 g 410 Y Oct 2020 1,999 amazon.com
11.
 
Nikon Z7 134 mm 101 mm 67 mm 675 g 330 Y Aug 2018 3,399ebay.com
12.
 
Olympus E-M10 IV 122 mm 84 mm 49 mm 383 g 360 n Aug 2020 699 amazon.com
13.
 
Olympus E-M10 119 mm 82 mm 46 mm 396 g 320 n Jan 2014 699ebay.com
14.
 
Olympus E-P5 122 mm 69 mm 37 mm 420 g 330 n May 2013 999ebay.com
15.
 
Olympus E-P3 122 mm 69 mm 34 mm 369 g 330 n Jun 2011 799ebay.com
16.
 
Olympus E-P2 121 mm 70 mm 36 mm 355 g 300 n Nov 2009 799ebay.com
17.
 
Sony A1 129 mm 97 mm 81 mm 737 g 530 Y Jan 2021 6,499 amazon.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 obviously take relative prices into account. 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-P7 was launched at a markedly lower price (by 85 percent) than the Z9, which puts it into a different market segment. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

Sensor comparison

The size of the sensor inside a digital camera is one of the key determinants of image quality. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixels in a sensor of the same technological generation. Furthermore, a large sensor camera will give the photographer more possibilities to use shallow depth-of-field in order to isolate a subject from the background. On the downside, larger sensors are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Nikon Z9 features a full frame sensor and the Olympus E-P7 a Four Thirds sensor. The sensor area in the E-P7 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 Z9 has a native 3:2 aspect ratio, while the one in the E-P7 offers a 4:3 aspect.

Nikon Z9 and Olympus E-P7 sensor measures

With 45.4MP, the Z9 offers a higher resolution than the E-P7 (20.2MP), but the Z9 nevertheless has larger individual pixels (pixel pitch of 4.35μm versus 3.34μm for the E-P7) due to its larger sensor. Moreover, the Z9 is a somewhat more recent model (by 4 months) than the E-P7, and its sensor might 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 the Z9 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Nikon Z9 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the Z9 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-P7 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 Z9 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Nikon Z9 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 PEN E-P7 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.

Z9 versus E-P7 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 adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

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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 Z9 Full Frame 45.4 8256 55048K/30p26.314.4245198
2.
 
Olympus E-P7 Four Thirds 20.2 5184 38884K/30p23.413.3149477
3.
 
Canon R3 Full Frame 24.0 6000 40006K/60p25.014.7408696
4.
 
Canon 1D X Mark III Full Frame 20.0 5472 36484K/60p24.214.5324891
5.
 
Canon R5 Full Frame 44.8 8192 54648K/30p25.314.6304295
6.
 
Leica SL2-S Full Frame 24.0 6000 40004K/60p25.214.1350495
7.
 
Nikon D6 Full Frame 20.7 5568 37124K/30p25.314.3288695
8.
 
Nikon Z5 Full Frame 24.2 6016 40164K/30p25.314.3292995
9.
 
Nikon Z7 II Full Frame 45.4 8256 55044K/60p26.314.72841100
10.
 
Nikon Z6 II Full Frame 24.3 6048 40244K/60p25.014.4330394
11.
 
Nikon Z7 Full Frame 45.4 8256 55044K/30p26.314.6266899
12.
 
Olympus E-M10 IV Four Thirds 20.2 5184 38884K/30p23.313.2140276
13.
 
Olympus E-M10 Four Thirds 15.9 4608 34561080/30p22.812.388472
14.
 
Olympus E-P5 Four Thirds 15.9 4608 34561080/30p22.812.489572
15.
 
Olympus E-P3 Four Thirds 12.2 4032 30241080/60i20.810.153651
16.
 
Olympus E-P2 Four Thirds 12.2 4032 3024720/30p21.510.450556
17.
 
Sony A1 Full Frame 49.8 8640 57608k/30p25.914.5316398
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras cannot only take still pictures, but also record videos. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the Z9 provides a higher video resolution than the E-P7. It can shoot video footage at 8K/30p, while the Olympus is limited to 4K/30p.

Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. For example, the Z9 has an electronic viewfinder (3690k dots), which can be very helpful when shooting in bright sunlight. In contrast, the E-P7 relies on live view and the rear LCD for framing. The following table reports on some other key feature differences and similarities of the Nikon Z9, the Olympus E-P7, and comparable cameras.

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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 Z93690 Y3.2 / 2089 full-flex Y 1/32000s 30.0/s n Y
2.
 
Olympus E-P7none n3.0 / 1040 tilting Y 1/4000s 8.7/s Y Y
3.
 
Canon R35760 Y3.2 / 4150 swivel Y 1/8000s 12.0/s n Y
4.
 
Canon 1D X Mark IIIoptical Y3.2 / 2100 fixed Y 1/8000s 20.0/s n n
5.
 
Canon R55760 Y3.2 / 2100 swivel Y 1/8000s 12.0/s n Y
6.
 
Leica SL2-S5760 Y3.2 / 2100 fixed Y 1/8000s 20.0/s n Y
7.
 
Nikon D6optical Y3.2 / 2359 fixed Y 1/8000s 14.0/s n n
8.
 
Nikon Z53690 n3.2 / 1040 tilting Y 1/8000s 4.5/s n Y
9.
 
Nikon Z7 II3690 Y3.2 / 2100 tilting Y 1/8000s 10.0/s n Y
10.
 
Nikon Z6 II3690 Y3.2 / 2100 tilting Y 1/8000s 14.0/s n Y
11.
 
Nikon Z73690 Y3.2 / 2100 tilting Y 1/8000s 9.0/s n Y
12.
 
Olympus E-M10 IV2360 n3.0 / 1040 tilting Y 1/4000s 15.0/s Y Y
13.
 
Olympus E-M101440 n3.0 / 1037 tilting Y 1/4000s 8.0/s Y Y
14.
 
Olympus E-P5optional n3.0 / 1037 tilting Y 1/8000s 9.0/s Y Y
15.
 
Olympus E-P3optional n3.0 / 614 fixed Y 1/4000s 3.0/s Y Y
16.
 
Olympus E-P2optional n3.0 / 230 fixed n 1/4000s 3.0/s n Y
17.
 
Sony A19437 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
Notes: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One feature that is present on the Z9, but is missing on the E-P7 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-P7 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 Z9 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, both cameras under consideration feature an 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 Z9 and the Olympus E-P7 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 Z9 writes its imaging data to CFexpress (type B) or XQD cards, while the E-P7 uses SDXC cards. The Z9 features dual card slots, which can be very useful in case a memory card fails. In contrast, the E-P7 only has one slot.

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 Z9 and Olympus PEN E-P7 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 Z9Ystereo / monoYYfull3.2Y-Y
2.
 
Olympus E-P7Ystereo / mono--micro2.0Y-Y
3.
 
Canon R3Ystereo / monoYYmicro3.2Y-Y
4.
 
Canon 1D X Mark IIIYmono / monoYYmini3.1Y-Y
5.
 
Canon R5Ymono / monoYYmicro3.2Y-Y
6.
 
Leica SL2-SYstereo / monoYYfull3.2Y-Y
7.
 
Nikon D6Ystereo / monoYYmini3.1Y-Y
8.
 
Nikon Z5Ystereo / monoYYmicro3.2Y-Y
9.
 
Nikon Z7 IIYstereo / monoYYmicro3.2Y-Y
10.
 
Nikon Z6 IIYstereo / monoYYmicro3.2Y-Y
11.
 
Nikon Z7Ystereo / monoYYmicro3.1Y-Y
12.
 
Olympus E-M10 IVYstereo / mono--micro2.0Y-Y
13.
 
Olympus E-M10Ystereo / mono--micro2.0Y--
14.
 
Olympus E-P5Ystereo / mono--micro2.0Y--
15.
 
Olympus E-P3Ystereo / ---mini2.0---
16.
 
Olympus E-P2Ystereo / ---mini2.0---
17.
 
Sony A1Ystereo / monoYYfull3.2Y-Y

It is notable that the Z9 has a microphone port, which is missing on the E-P7. 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 Z9 (unlike the E-P7) 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 Z9 has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.

Both the Z9 and the E-P7 are recent models that are part of the current product line-up. The E-P7 replaced the earlier Olympus E-P5, while the Z9 does not have a direct predecessor. 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 there a clear favorite between the Nikon Z9 and the Olympus E-P7? Which camera is better? The listing below highlights the relative strengths of the two models.

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Arguments in favor of the Nikon Z9:

  • More detail: Offers more megapixels (45.4 vs 20.2MP) with a 53% higher linear resolution.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better image quality: Features bigger pixels on a larger sensor for higher quality imaging.
  • Richer colors: The pixel size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger pixels capture a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger pixels means good image quality even under poor lighting.
  • Better video: Provides higher definition movie capture (8K/30p vs 4K/30p).
  • 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 electronic viewfinder for image composition and settings control.
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • Larger screen: Has a bigger rear LCD (3.2" vs 3.0") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (2089k vs 1040k dots).
  • More flexible LCD: Has a full-flex screen for odd-angle shots in portrait or landscape orientation.
  • Faster shutter: Has higher mechanical shutter speed (1/32000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (30 vs 8.7 flaps/sec) to capture the decisive moment.
  • More portrait friendly: Features an integrated vertical grip for easier portrait shooting.
  • Longer lasting: Can take more shots (740 versus 360) on a single battery charge.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • Easier geotagging: Features an internal GPS sensor to log localization data.
  • Faster data transfer: Supports a more advanced USB protocol (3.2 vs 2.0).
  • More solid recording: Has a full-sized HDMI port for a sturdy connection to an external recorder.
  • 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: Is somewhat more recent (announced 4 months after the E-P7).

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Reasons to prefer the Olympus PEN E-P7:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • More compact: Is smaller (118x69mm vs 149x150mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 1003g or 75 percent) and is thus easier to take along.
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • More affordable: Was introduced into a lower priced category (85 percent cheaper at launch).
  • More heavily discounted: Has been on the market for longer (launched in June 2021).

If the count of relative strengths (bullet points above) is taken as a measure, the Z9 is the clear winner of the match-up (27 : 7 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.

Z9 27:07 E-P7

How about other alternatives? Do the specifications of the Nikon Z9 and the Olympus E-P7 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 specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it says little about, for example, the shooting experience and imaging performance of the Z9 and the E-P7 in practical situations. 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 hands-on reviews by experts are important. 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
     Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Nikon Z95/5..4.5/594/1005/55/5 Oct 2021 5,499 amazon.com
2.
 
Olympus E-P74/5..4.5/5....4.5/5 Jun 2021 799 amazon.com
3.
 
Canon R3..o4.5/5....4.5/5 Sep 2021 5,999 amazon.com
4.
 
Canon 1D X Mark III..+ +5/5..4.5/54/5 Jan 2020 6,499 amazon.com
5.
 
Canon R54.5/5+4/591/1004.5/54.5/5 Jul 2020 3,899 amazon.com
6.
 
Leica SL2-S4/5..4/5..4.5/54.5/5 Dec 2020 4,895 amazon.com
7.
 
Nikon D6....4/5..4.5/54.5/5 Feb 2020 6,499 amazon.com
8.
 
Nikon Z54/5..4/589/1004.5/54/5 Jul 2020 1,399 amazon.com
9.
 
Nikon Z7 II4.5/5..4.5/5..4.5/54.5/5 Oct 2020 2,999 amazon.com
10.
 
Nikon Z6 II4.5/5..4/589/1004.5/54.5/5 Oct 2020 1,999 amazon.com
11.
 
Nikon Z75/5+4.8/589/1004.5/55/5 Aug 2018 3,399ebay.com
12.
 
Olympus E-M10 IV4.5/5..5/581/1004.5/54.5/5 Aug 2020 699 amazon.com
13.
 
Olympus E-M104/5....80/1005/55/5 Jan 2014 699ebay.com
14.
 
Olympus E-P55/5+ +..78/1004.5/55/5 May 2013 999ebay.com
15.
 
Olympus E-P3..83/100..74/1004.5/54.5/5 Jun 2011 799ebay.com
16.
 
Olympus E-P23/5+..69/1004/54.5/5 Nov 2009 799ebay.com
17.
 
Sony A15/5o4.5/593/1004.5/55/5 Jan 2021 6,499 amazon.com
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

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. Thus, a score needs to be put into the context of the launch date and the launch price 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. 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 Z9 price at
amazon.com
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Check E-P7 price at
amazon.com

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 use the search menu below. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.

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    Specifications: Nikon Z9 vs Olympus E-P7

    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 Z9 Olympus E-P7
    Camera Type Mirrorless system camera Mirrorless system camera
    Camera Lens Nikon Z mount lenses Micro Four Thirds lenses
    Launch Date October 2021 June 2021
    Launch Price USD 5,499 USD 799
    Sensor Specs Nikon Z9 Olympus E-P7
    Sensor Technology CMOS CMOS
    Sensor Format Full Frame Sensor Four Thirds Sensor
    Sensor Size 35.9 x 23.9 mm 17.4 x 13.0 mm
    Sensor Area 858.01 mm2 226.2 mm2
    Sensor Diagonal 43.1 mm 21.7 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 8.91 MP/cm2
    Moiré control no AA filter Anti-Alias filter
    Movie Capability 8K/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
    DXO Sensor Quality (score) 98 ..
    DXO Color Depth (bits) 26.3 ..
    DXO Dynamic Range (EV) 14.4 ..
    DXO Low Light (ISO) 2451 ..
    Screen Specs Nikon Z9 Olympus E-P7
    Viewfinder Type Electronic viewfinder no viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.80x
    Viewfinder Resolution 3690k dots
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.2inch 3.0inch
    LCD Resolution 2089k dots 1040k dots
    LCD Attachment Fully flexible screen Tilting screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Nikon Z9 Olympus E-P7
    Focus System On-Sensor Phase-detect Contrast-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/32000s 1/4000s
    Continuous Shooting 30 shutter flaps/s 8.7 shutter flaps/s
    Electronic Shutterup to 1/32000sup to 1/16000s
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationIn-body stabilizationIn-body stabilization
    Fill Flash no On-Board Flash Built-in Flash
    Storage Medium CFexB or XQD cards SDXC cards
    Second Storage Option Dual card slots Single card slot
    Connectivity Specs Nikon Z9 Olympus E-P7
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 3.2 USB 2.0
    HDMI Port full 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
    Bluetooth Support Bluetooth built-in Bluetooth built-in
    Geotagging GPS built-in no internal GPS
    Body Specs Nikon Z9 Olympus E-P7
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type EN-EL18d BLS-50
    Battery Life (CIPA)740 shots per charge360 shots per charge
    In-Camera Charging USB charging no USB charging
    Body Dimensions 149 x 150 x 91 mm
    (5.9 x 5.9 x 3.6 in)
    118 x 69 x 38 mm
    (4.6 x 2.7 x 1.5 in)
    Camera Weight 1340 g (47.3 oz) 337 g (11.9 oz)
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