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Nikon D90 vs Z50

The Nikon D90 and the Nikon Z50 are two digital cameras that were announced, respectively, in August 2008 and October 2019. The D90 is a DSLR, while the Z50 is a mirrorless interchangeable lens camera. Both cameras are equipped with an APS-C sensor. The D90 has a resolution of 12.2 megapixels, whereas the Z50 provides 20.7 MP.

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

Headline Specifications
Nikon D90
versus
Nikon Z50
Nikon D90   Nikon Z50
Digital single lens reflex Mirrorless system camera
Nikon F mount lenses Nikon Z mount lenses
12.2 MP – APS-C sensor 20.7 MP – APS-C sensor
720/24p Video 4K/30p Video
ISO 200-3,200 (200 - 6,400) ISO 100-51,200 (100 - 204,800)
Optical viewfinder Electronic viewfinder (2360k dots)
3.0" LCD – 920k dots 3.0" LCD – 1040k dots
Fixed screen (not touch-sensitive) Tilting touchscreen
4.5 shutter flaps per second 11 shutter flaps per second
not weather sealedWeathersealed body
850 shots per battery charge320 shots per battery charge
132 x 103 x 77 mm, 703 g 127 x 94 x 60 mm, 450 g
Nikon D90:
Check Ebay offers
Nikon Z50:
Check Amazon price

Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon D90 and the Nikon Z50? 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 D90 and the Nikon Z50. 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.

Size Nikon D90 vs Nikon Z50
Compare D90 versus Z50 top
Comparison D90 or Z50 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Nikon Z50 is notably smaller (12 percent) than the Nikon D90. Moreover, the Z50 is substantially lighter (36 percent) than the D90. It is noteworthy in this context that the Z50 is splash and dust-proof, while the D90 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.

Concerning battery life, the D90 gets 850 shots out of its EN-EL3e battery, while the Z50 can take 320 images on a single charge of its EN-EL25 power pack. The power pack in the Z50 can be charged via the USB port, which can be very convenient when travelling.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. If you want to switch the focus of the display and review another camera pair, you can move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons 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 D90 132 mm 103 mm 77 mm 703 g 850 n Aug 2008 1,299i
2.
 
Nikon Z50 127 mm 94 mm 60 mm 450 g 320 Y Oct 2019 859 i
3.
 
Canon M50 116 mm 88 mm 59 mm 390 g 235 n Feb 2018 779i
4.
 
Canon 40D 146 mm 108 mm 74 mm 822 g 750 n Aug 2007 1,299i
5.
 
Nikon Z fc 135 mm 94 mm 44 mm 445 g 300 n Jun 2021 959 i
6.
 
Nikon D7500 136 mm 104 mm 73 mm 720 g 950 Y Apr 2017 1,299 i
7.
 
Nikon D5500 124 mm 97 mm 70 mm 470 g 820 n Jan 2015 899i
8.
 
Nikon D7200 136 mm 107 mm 76 mm 765 g 1110 Y Mar 2015 1,199i
9.
 
Nikon D7100 136 mm 107 mm 76 mm 765 g 950 Y Feb 2013 1,199i
10.
 
Nikon D5300 125 mm 98 mm 76 mm 480 g 600 n Oct 2013 799i
11.
 
Nikon D7000 132 mm 105 mm 77 mm 780 g 1050 Y Sep 2010 1,499i
12.
 
Nikon D3000 126 mm 97 mm 64 mm 536 g 500 n Jul 2009 599i
13.
 
Nikon D5000 127 mm 104 mm 80 mm 590 g 510 n Apr 2009 749i
14.
 
Nikon D60 126 mm 94 mm 64 mm 522 g 500 n Jan 2008 629i
15.
 
Nikon D40X 124 mm 94 mm 64 mm 522 g 520 n Mar 2007 729i
16.
 
Nikon D80 132 mm 103 mm 77 mm 668 g 600 n Aug 2006 999i
17.
 
Sony A6300 120 mm 67 mm 49 mm 404 g 400 Y Feb 2016 999i
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

The price is, of course, an important factor in any camera decision. 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 Z50 was launched at a markedly lower price (by 34 percent) than the D90, 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. 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. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its background. On the downside, larger sensors tend to be associated with larger, more expensive camera bodies and lenses.

Both cameras under consideration feature an APS-C sensor, but their sensors differ slightly in size. The sensor area in the Z50 is 1 percent smaller. They nevertheless have the same format factor of 1.5. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Technology-wise, the Z50 uses a more advanced image processing engine (EXPEED 6) than the D90 (EXPEED), with benefits for noise reduction, color accuracy, and processing speed.

Nikon D90 and Nikon Z50 sensor measures

Despite having a slightly smaller sensor, the Z50 offers a higher resolution of 20.7 megapixels, compared with 12.2 MP of the D90. This megapixels advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 4.22μm versus 5.53μm for the D90). However, it should be noted that the Z50 is much more recent (by 11 years and 1 month) than the D90, and its sensor will have benefitted from technological advances during this time that make it possible to gather light more efficiently. Coming back to sensor resolution, it should be mentioned that the Z50 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Nikon Z50 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the Z50 for good quality output (200 dots per inch) amounts to 27.8 x 18.6 inches or 70.7 x 47.1 cm, for very good quality (250 dpi) 22.3 x 14.8 inches or 56.6 x 37.7 cm, and for excellent quality (300 dpi) 18.6 x 12.4 inches or 47.1 x 31.4 cm. The corresponding values for the Nikon D90 are 21.4 x 14.2 inches or 54.5 x 36.2 cm for good quality, 17.2 x 11.4 inches or 43.6 x 28.9 cm for very good quality, and 14.3 x 9.5 inches or 36.3 x 24.1 cm for excellent quality prints.

The Z50 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Nikon D90 has a native sensitivity range from ISO 200 to ISO 3200, which can be extended to ISO 200-6400. The corresponding ISO settings for the Nikon Z50 are ISO 100 to ISO 51200, with the possibility to increase the ISO range to 100-204800.

D90 versus Z50 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 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 D90 APS-C 12.2 4288 2848720/24p22.712.597773
2.
 
Nikon Z50 APS-C 20.7 5568 37124K/30p24.113.6196384
3.
 
Canon M50 APS-C 24.0 6000 40004K/24p23.813.3168481
4.
 
Canon 40D APS-C 10.1 3888 2592none22.111.370364
5.
 
Nikon Z fc APS-C 20.7 5568 37124K/30p24.213.8213185
6.
 
Nikon D7500 APS-C 20.7 5568 37124K/30p24.314.0148386
7.
 
Nikon D5500 APS-C 24.0 6000 40001080/60p24.114.0143884
8.
 
Nikon D7200 APS-C 24.0 6000 40001080/60p24.514.6133387
9.
 
Nikon D7100 APS-C 24.0 6000 40001080/60p24.213.7125683
10.
 
Nikon D5300 APS-C 24.0 6000 40001080/60p24.013.9133883
11.
 
Nikon D7000 APS-C 16.1 4928 32641080/24p23.513.9116780
12.
 
Nikon D3000 APS-C 10.0 3872 2592none22.311.156362
13.
 
Nikon D5000 APS-C 12.2 4288 2848720/24p22.712.586872
14.
 
Nikon D60 APS-C 10.0 3872 2592none22.511.456265
15.
 
Nikon D40X APS-C 10.0 3872 2592none22.411.451663
16.
 
Nikon D80 APS-C 10.0 3872 2592none22.111.252461
17.
 
Sony A6300 APS-C 24.0 6000 40004K/30p24.413.7143785
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 also of capturing video footage. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the Z50 provides a better video resolution than the D90. It can shoot movie footage at 4K/30p, while the D90 is limited to 720/24p.

Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. For example, the Z50 has an electronic viewfinder (2360k dots), while the D90 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 viewfinder in the Z50 offers a wider field of view (100%) than the one in the D90 (96%), so that a larger proportion of the captured image is visible in the finder. In addition, the viewfinder of the Z50 has a higher magnification (0.68x vs 0.63x), 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 D90 and Nikon Z50 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 D90optical Y3.0 / 920 fixed n 1/4000s 4.5/s Y n
2.
 
Nikon Z502360 n3.2 / 1040 tilting Y 1/4000s 11.0/s Y n
3.
 
Canon M502360 n3.0 / 1040 swivel Y 1/4000s 10.0/s Y n
4.
 
Canon 40Doptical Y3.0 / 230 fixed n 1/8000s 6.5/s Y n
5.
 
Nikon Z fc2360 Y3.0 / 1040 swivel Y 1/4000s 11.0/s n n
6.
 
Nikon D7500optical Y3.2 / 922 tilting Y 1/8000s 8.0/s Y n
7.
 
Nikon D5500optical n3.2 / 1037 swivel Y 1/4000s 5.0/s Y n
8.
 
Nikon D7200optical Y3.2 / 1229 fixed n 1/8000s 6.0/s Y n
9.
 
Nikon D7100optical Y3.2 / 1229 fixed n 1/8000s 6.0/s Y n
10.
 
Nikon D5300optical n3.2 / 1037 swivel n 1/4000s 5.0/s Y n
11.
 
Nikon D7000optical Y3.0 / 921 fixed n 1/8000s 6.0/s Y n
12.
 
Nikon D3000optical n3.0 / 230 fixed n 1/4000s 3.0/s Y n
13.
 
Nikon D5000optical n2.7 / 230 full-flex n 1/4000s 4.0/s Y n
14.
 
Nikon D60optical n2.5 / 230 fixed n 1/4000s 3.0/s Y n
15.
 
Nikon D40Xoptical n2.5 / 230 fixed n 1/4000s 3.0/s Y n
16.
 
Nikon D80optical n2.5 / 230 fixed n 1/4000s 3.0/s Y n
17.
 
Sony A63002359 n3.0 / 922 tilting n 1/4000s 11.0/s Y n
Notes: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One feature that is present on the D90, but is missing on the Z50 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 Z50 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 D90 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 Z50 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 Z50 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 D90 writes its imaging data to SDHC cards, while the Z50 uses SDXC cards. The Z50 supports UHS-II cards (Ultra High Speed data transfer of up to 312 MB/s), while the D90 cannot take advantage of Ultra High Speed SD 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 D90 and Nikon Z50 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 D90Ymono / mono--mini2.0---
2.
 
Nikon Z50Ystereo / monoY-micro2.0Y-Y
3.
 
Canon M50Ystereo / monoY-micro2.0Y-Y
4.
 
Canon 40DY- / ----2.0---
5.
 
Nikon Z fcYstereo / monoY-micro3.2Y-Y
6.
 
Nikon D7500Ystereo / monoYYmini2.0Y-Y
7.
 
Nikon D5500Ystereo / monoY-mini2.0Y--
8.
 
Nikon D7200Ystereo / monoYYmini2.0YY-
9.
 
Nikon D7100Ystereo / monoYYmini2.0---
10.
 
Nikon D5300Ystereo / monoY-mini2.0Y--
11.
 
Nikon D7000Ymono / monoY-mini2.0---
12.
 
Nikon D3000Y- / ----2.0---
13.
 
Nikon D5000Ymono / mono--mini2.0---
14.
 
Nikon D60Y- / ----2.0---
15.
 
Nikon D40XY- / ----2.0---
16.
 
Nikon D80Y- / ----2.0---
17.
 
Sony A6300Ystereo / monoY-micro2.0YY-

It is notable that the Z50 offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the D90 does not provide wifi capability.

The Z50 is a recent model that features in the current product line-up of Nikon. In contrast, the D90 has been discontinued (but can be found pre-owned on eBay). As a replacement in the same line of cameras, the D90 was succeeded by the Nikon D7000. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Nikon website.

Review summary

So what is the bottom line? Which of the two cameras – the Nikon D90 or the Nikon Z50 – has the upper hand? Is one clearly better than the other? The listing below highlights the relative strengths of the two models.


Arguments in favor of the Nikon D90:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • Longer lasting: Can take more shots (850 versus 320) on a single battery charge.
  • More heavily discounted: Has been available for much longer (launched in August 2008).


Advantages of the Nikon Z50:

  • More detail: Has more megapixels (20.7 vs 12.2MP), which boosts linear resolution by 30%.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better jpgs: Has a more modern image processing engine (EXPEED 6 vs EXPEED).
  • Better video: Provides higher definition movie capture (4K/30p vs 720/24p).
  • 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.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • More complete view: Has a viewfinder with a larger field of view (100% vs 96%).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.68x vs 0.63x).
  • 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 (1040k vs 920k dots).
  • More flexible LCD: Has a tilting screen for odd-angle shots in 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 (11 vs 4.5 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • More compact: Is smaller (127x94mm vs 132x103mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 253g or 36 percent) and is thus easier to take along.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • More legacy lens friendly: Can use many non-native lenses via adapters.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-II standard.
  • More affordable: Was introduced into a lower priced category (34 percent cheaper at launch).
  • More modern: Reflects 11 years and 1 month of technical progress since the D90 launch.

If the number of relative strengths (bullet points above) is taken as a guide, the Z50 is the clear winner of the contest (27 : 5 points). However, the pertinence of the various camera strengths will differ across photographers, so that you might want to weigh individual camera traits according to their importance for your own imaging needs before making a camera decision. 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.

D90 05:27 Z50

How about other alternatives? Do the specifications of the Nikon D90 and the Nikon Z50 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 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 D90 and the Z50 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 where reviews by experts come in. 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 D90..+ +..+ +4/54.5/5 Aug 2008 1,299i
2.
 
Nikon Z505/5..5/585/1004.5/54.5/5 Oct 2019 859 i
3.
 
Canon M50..+4/579/100..3.5/5 Feb 2018 779i
4.
 
Canon 40D..+ +..+ +4.5/54.5/5 Aug 2007 1,299i
5.
 
Nikon Z fc4/5..4.5/586/1005/54.5/5 Jun 2021 959 i
6.
 
Nikon D75004.5/5+ +4.5/586/1005/54.5/5 Apr 2017 1,299 i
7.
 
Nikon D55005/5+..79/1004.5/54.5/5 Jan 2015 899i
8.
 
Nikon D72004/5+ +..84/1004.5/54.5/5 Mar 2015 1,199i
9.
 
Nikon D71005/5+ +..85/1004.5/54.5/5 Feb 2013 1,199i
10.
 
Nikon D53004/5+ +..79/1004.5/54.5/5 Oct 2013 799i
11.
 
Nikon D70004/5....80/1004.5/54.5/5 Sep 2010 1,499i
12.
 
Nikon D3000..+..72/1004/54.5/5 Jul 2009 599i
13.
 
Nikon D5000..+ +..75/1004/54.5/5 Apr 2009 749i
14.
 
Nikon D60..80/100..+ +4/54.5/5 Jan 2008 629i
15.
 
Nikon D40X..79/100..+ +4/54/5 Mar 2007 729i
16.
 
Nikon D80..+..+ +o4.5/5 Aug 2006 999i
17.
 
Sony A63004.5/5+..85/1005/55/5 Feb 2016 999i
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 comparisons of ratings among very different cameras or across long time periods have little meaning. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

Nikon D90:
Check Ebay offers
Nikon Z50:
Check Amazon price

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. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.

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    Specifications: Nikon D90 vs Nikon Z50

    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 D90 Nikon Z50
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Nikon F mount lenses
    Launch Date August 2008 October 2019
    Launch Price USD 1,299 USD 859
    Sensor Specs Nikon D90 Nikon Z50
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor APS-C Sensor
    Sensor Size 23.6 x 15.8 mm 23.5 x 15.7 mm
    Sensor Area 372.88 mm2 368.95 mm2
    Sensor Diagonal 28.4 mm 28.3 mm
    Crop Factor 1.5x 1.5x
    Sensor Resolution 12.2 Megapixels 20.7 Megapixels
    Image Resolution 4288 x 2848 pixels 5568 x 3712 pixels
    Pixel Pitch 5.53 μm 4.22 μm
    Pixel Density 3.28 MP/cm2 5.60 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 720/24p Video 4K/30p Video
    ISO Setting 200 - 3,200 ISO 100 - 51,200 ISO
    ISO Boost 200 - 6,400 ISO 100 - 204,800 ISO
    Image Processor EXPEED EXPEED 6
    DXO Sensor Quality (score) 73 ..
    DXO Color Depth (bits) 22.7 ..
    DXO Dynamic Range (EV) 12.5 ..
    DXO Low Light (ISO) 977 ..
    Screen Specs Nikon D90 Nikon Z50
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 96% 100%
    Viewfinder Magnification 0.63x 0.68x
    Viewfinder Resolution 2360k dots
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.2inch
    LCD Resolution 920k dots 1040k dots
    LCD Attachment Fixed screen Tilting screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Nikon D90 Nikon Z50
    Focus System Phase-detect AF On-Sensor Phase-detect
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/4000s
    Continuous Shooting 4.5 shutter flaps/s 11 shutter flaps/s
    Electronic Shutterno E-Shutterup to 1/4000s
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Fill Flash Built-in Flash Built-in Flash
    Storage Medium SDHC cards SDXC cards
    Second Storage Option Single card slot Single card slot
    UHS card support no UHS-II
    Connectivity Specs Nikon D90 Nikon Z50
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI micro HDMI
    Microphone Port no MIC socket External MIC port
    Wifi Support no Wifi Wifi built-in
    Bluetooth Support no Bluetooth Bluetooth built-in
    Body Specs Nikon D90 Nikon Z50
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type EN-EL3e EN-EL25
    Battery Life (CIPA)850 shots per charge320 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 132 x 103 x 77 mm
    (5.2 x 4.1 x 3.0 in)
    127 x 94 x 60 mm
    (5.0 x 3.7 x 2.4 in)
    Camera Weight 703 g (24.8 oz) 450 g (15.9 oz)
    Nikon D90:
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    Nikon Z50:
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