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Nikon D90 vs Z6

The Nikon D90 and the Nikon Z6 are two enthusiast cameras that were revealed to the public, respectively, in August 2008 and August 2018. The D90 is a DSLR, while the Z6 is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (D90) and a full frame (Z6) sensor. The D90 has a resolution of 12.2 megapixels, whereas the Z6 provides 24.3 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 Z6
Nikon D90   Nikon Z6
Digital single lens reflex Mirrorless system camera
Nikon F mount lenses Nikon Z mount lenses
12.2 MP – APS-C sensor 24.3 MP – Full Frame sensor
720/24p Video 4K/30p Video
ISO 200-3,200 (200 - 6,400) ISO 100-51,200 (50 - 204,800)
Optical viewfinder Electronic viewfinder (3690k dots)
3.0" LCD – 920k dots 3.0" LCD – 2100k dots
Fixed screen (not touch-sensitive) Tilting touchscreen
4.5 shutter flaps per second 12 shutter flaps per second
Lens stabilization onlyIn-body stabilization
not weather sealedWeathersealed body
850 shots per battery charge310 shots per battery charge
132 x 103 x 77 mm, 703 g 134 x 101 x 67 mm, 675 g
Nikon D90:
Check Ebay offers
Nikon Z6:
Check Ebay offers

Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon D90 and the Nikon Z6? 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 D90 and the Nikon Z6 are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All size dimensions are rounded to the nearest millimeter.

Size Nikon D90 vs Nikon Z6
Compare D90 versus Z6 top
Comparison D90 or Z6 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Nikon D90 and the Nikon Z6 are of equal size. However, the Z6 is slightly lighter (4 percent) than the D90. It is noteworthy in this context that the Z6 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 Z6 can take 310 images on a single charge of its EN-EL15b power pack. The power pack in the Z6 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. 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 D90 132 mm 103 mm 77 mm 703 g 850 n Aug 2008 1,299i
2.
 
Nikon Z6 134 mm 101 mm 67 mm 675 g 310 Y Aug 2018 1,999i
3.
 
Canon 40D 146 mm 108 mm 74 mm 822 g 750 n Aug 2007 1,299i
4.
 
Nikon Z6 II 134 mm 101 mm 70 mm 705 g 410 Y Oct 2020 1,999 i
5.
 
Nikon Z7 134 mm 101 mm 67 mm 675 g 330 Y Aug 2018 3,399i
6.
 
Nikon D750 141 mm 113 mm 78 mm 750 g 1230 Y Sep 2014 2,299i
7.
 
Nikon D7000 132 mm 105 mm 77 mm 780 g 1050 Y Sep 2010 1,499i
8.
 
Nikon D3100 124 mm 96 mm 75 mm 505 g 550 n Aug 2010 599i
9.
 
Nikon D300S 147 mm 115 mm 81 mm 938 g 950 Y Jul 2009 1,799i
10.
 
Nikon D3000 126 mm 97 mm 64 mm 536 g 500 n Jul 2009 599i
11.
 
Nikon D5000 127 mm 104 mm 80 mm 590 g 510 n Apr 2009 749i
12.
 
Nikon D60 126 mm 94 mm 64 mm 522 g 500 n Jan 2008 629i
13.
 
Nikon D40X 124 mm 94 mm 64 mm 522 g 520 n Mar 2007 729i
14.
 
Nikon D300 147 mm 114 mm 74 mm 925 g 1000 Y Aug 2007 1,799i
15.
 
Nikon D80 132 mm 103 mm 77 mm 668 g 600 n Aug 2006 999i
16.
 
Sony A7 III 127 mm 96 mm 74 mm 650 g 610 Y Feb 2018 1,999 i
17.
 
Sony A7 II 127 mm 96 mm 60 mm 599 g 350 Y Nov 2014 1,999i
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 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 D90 was launched at a markedly lower price (by 35 percent) than the Z6, 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 imaging sensor is at the core of digital cameras and its size is one of the main determining factors 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 associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Nikon D90 features an APS-C sensor and the Nikon Z6 a full frame sensor. The sensor area in the Z6 is 130 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.5 and 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Technology-wise, the Z6 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 Z6 sensor measures

With 24.3MP, the Z6 offers a higher resolution than the D90 (12.2MP), but the Z6 nevertheless has larger individual pixels (pixel pitch of 5.94μm versus 5.53μm for the D90) due to its larger sensor. Moreover, the Z6 is a much more recent model (by 9 years and 11 months) than the D90, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units.

The resolution advantage of the Nikon Z6 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the Z6 for good quality output (200 dots per inch) amounts to 30.2 x 20.1 inches or 76.8 x 51.1 cm, for very good quality (250 dpi) 24.2 x 16.1 inches or 61.4 x 40.9 cm, and for excellent quality (300 dpi) 20.2 x 13.4 inches or 51.2 x 34.1 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 Z6 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 Z6 are ISO 100 to ISO 51200, with the possibility to increase the ISO range to 50-204800.

D90 versus Z6 MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). Of the two cameras under consideration, the Z6 offers substantially better image quality than the D90 (overall score 22 points higher). The advantage is based on 2.6 bits higher color depth, 1.8 EV in additional dynamic range, and 1.8 stops in additional low light sensitivity. The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.

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Sensor Characteristics
    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 Z6 Full Frame 24.3 6048 40244K/30p25.314.3329995
3.
 
Canon 40D APS-C 10.1 3888 2592none22.111.370364
4.
 
Nikon Z6 II Full Frame 24.3 6048 40244K/60p25.014.4330394
5.
 
Nikon Z7 Full Frame 45.4 8256 55044K/30p26.314.6266899
6.
 
Nikon D750 Full Frame 24.2 6016 40161080/60p24.814.5295693
7.
 
Nikon D7000 APS-C 16.1 4928 32641080/24p23.513.9116780
8.
 
Nikon D3100 APS-C 14.2 4608 30721080/24p22.511.391967
9.
 
Nikon D300S APS-C 12.2 4288 2848720/24p22.512.278770
10.
 
Nikon D3000 APS-C 10.0 3872 2592none22.311.156362
11.
 
Nikon D5000 APS-C 12.2 4288 2848720/24p22.712.586872
12.
 
Nikon D60 APS-C 10.0 3872 2592none22.511.456265
13.
 
Nikon D40X APS-C 10.0 3872 2592none22.411.451663
14.
 
Nikon D300 APS-C 12.2 4288 2848none22.112.067967
15.
 
Nikon D80 APS-C 10.0 3872 2592none22.111.252461
16.
 
Sony A7 III Full Frame 24.0 6000 40004K/30p25.014.7373096
17.
 
Sony A7 II Full Frame 24.0 6000 40001080/60p24.913.6244990

Many modern cameras cannot only take still pictures, but also record videos. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the Z6 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

Beyond body and sensor, cameras can and do differ across a range of features. For example, the Z6 has an electronic viewfinder (3690k 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 Z6 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 Z6 has a higher magnification (0.80x 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 D90 and Nikon Z6 in connection with corresponding information for a sample of similar 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 D90optical Y3.0 / 920 fixed n 1/4000s 4.5/s Y n
2.
 
Nikon Z63690 Y3.2 / 2100 tilting Y 1/8000s 12.0/s n Y
3.
 
Canon 40Doptical Y3.0 / 230 fixed n 1/8000s 6.5/s Y n
4.
 
Nikon Z6 II3690 Y3.2 / 2100 tilting Y 1/8000s 14.0/s n Y
5.
 
Nikon Z73690 Y3.2 / 2100 tilting Y 1/8000s 9.0/s n Y
6.
 
Nikon D750optical Y3.2 / 1229 tilting n 1/4000s 6.0/s Y n
7.
 
Nikon D7000optical Y3.0 / 921 fixed n 1/8000s 6.0/s Y n
8.
 
Nikon D3100optical n3.0 / 230 fixed n 1/4000s 3.0/s Y n
9.
 
Nikon D300Soptical Y3.0 / 920 fixed n 1/8000s 7.0/s Y n
10.
 
Nikon D3000optical n3.0 / 230 fixed n 1/4000s 3.0/s Y n
11.
 
Nikon D5000optical n2.7 / 230 full-flex n 1/4000s 4.0/s Y n
12.
 
Nikon D60optical n2.5 / 230 fixed n 1/4000s 3.0/s Y n
13.
 
Nikon D40Xoptical n2.5 / 230 fixed n 1/4000s 3.0/s Y n
14.
 
Nikon D300optical Y3.0 / 922 fixed n 1/8000s 6.0/s Y n
15.
 
Nikon D80optical n2.5 / 230 fixed n 1/4000s 3.0/s Y n
16.
 
Sony A7 III2359 n3.0 / 922 tilting Y 1/8000s 10.0/s n Y
17.
 
Sony A7 II2400 n3.0 / 1230 tilting n 1/8000s 5.0/s n Y
Notes: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One difference between the cameras concerns the presence of an on-board flash. The D90 has one, while the Z6 does not. While the built-in flash of the D90 is not very powerful, it can at times be useful as a fill-in light.

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 Z6 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 Z6 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 Z6 uses XQD 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 Z6 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 Z6Ystereo / monoYYmicro3.1Y-Y
3.
 
Canon 40DY- / ----2.0---
4.
 
Nikon Z6 IIYstereo / monoYYmicro3.2Y-Y
5.
 
Nikon Z7Ystereo / monoYYmicro3.1Y-Y
6.
 
Nikon D750Ystereo / monoYYmini2.0Y--
7.
 
Nikon D7000Ymono / monoY-mini2.0---
8.
 
Nikon D3100Ymono / mono--mini2.0---
9.
 
Nikon D300SYstereo / monoY-mini2.0---
10.
 
Nikon D3000Y- / ----2.0---
11.
 
Nikon D5000Ymono / mono--mini2.0---
12.
 
Nikon D60Y- / ----2.0---
13.
 
Nikon D40XY- / ----2.0---
14.
 
Nikon D300Y- / ---mini2.0---
15.
 
Nikon D80Y- / ----2.0---
16.
 
Sony A7 IIIYstereo / monoYYmicro3.1YYY
17.
 
Sony A7 IIYstereo / monoYYmicro2.0YY-

It is notable that the Z6 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.

Both the D90 and the Z6 have been discontinued, but can regularly be found used on eBay. The D90 was replaced by the Nikon D7000, while the Z6 was followed by the Nikon Z6 II. 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 how do things add up? Is the Nikon D90 better than the Nikon Z6 or vice versa? Below is a summary of the relative strengths of each of the two contestants.


Reasons to prefer the Nikon D90:

  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Longer lasting: Can take more shots (850 versus 310) 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 (35 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in August 2008).


Advantages of the Nikon Z6:

  • More detail: Has more megapixels (24.3 vs 12.2MP), which boosts linear resolution by 41%.
  • Better image quality: Scores substantially higher (22 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (2.6 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (1.8 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (1.8 stops ISO advantage).
  • 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.
  • Better sound control: Has a headphone port that enables audio monitoring while 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 (0.80x 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 (2100k 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.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (12 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.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • More legacy lens friendly: Can use many non-native lenses via adapters.
  • Faster data transfer: Supports a more advanced USB protocol (3.1 vs 2.0).
  • 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.
  • More modern: Reflects 9 years and 11 months of technical progress since the D90 launch.

If the count of individual advantages (bullet points above) is taken as a guide, the Z6 is the clear winner of the contest (29 : 5 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 sports photographer will view the differences between cameras in a way that diverges from the perspective of a street photog, and a person interested in family portraits has distinct needs from a landscape shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

D90 05:29 Z6

How about other alternatives? Do the specifications of the Nikon D90 and the Nikon Z6 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 technical specifications can provide a useful overview of the capabilities of different cameras, it remains incomplete and does no justice, for example, to the way the D90 or the Z6 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 table below provides a synthesis of the camera assessments of some of the best known photo-gear 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 Z65/5..5/589/1004.5/55/5 Aug 2018 1,999i
3.
 
Canon 40D..+ +..+ +4.5/54.5/5 Aug 2007 1,299i
4.
 
Nikon Z6 II4.5/5..4/589/1004.5/54.5/5 Oct 2020 1,999 i
5.
 
Nikon Z75/5+4.8/589/1004.5/55/5 Aug 2018 3,399i
6.
 
Nikon D7505/5+ +4/590/1004.5/54.5/5 Sep 2014 2,299i
7.
 
Nikon D70004/5....80/1004.5/54.5/5 Sep 2010 1,499i
8.
 
Nikon D31005/5+ +..72/1004.5/54.5/5 Aug 2010 599i
9.
 
Nikon D300S5/5+ +..82/1004/54.5/5 Jul 2009 1,799i
10.
 
Nikon D3000..+..72/1004/54.5/5 Jul 2009 599i
11.
 
Nikon D5000..+ +..75/1004/54.5/5 Apr 2009 749i
12.
 
Nikon D60..80/100..+ +4/54.5/5 Jan 2008 629i
13.
 
Nikon D40X..79/100..+ +4/54/5 Mar 2007 729i
14.
 
Nikon D300..+ +..+ +5/54.5/5 Aug 2007 1,799i
15.
 
Nikon D80..+..+ +o4.5/5 Aug 2006 999i
16.
 
Sony A7 III..+ +4.5/589/1005/55/5 Feb 2018 1,999 i
17.
 
Sony A7 II5/5+4/582/1004.5/55/5 Nov 2014 1,999i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted with care, though. The ratings are only valid when referring to cameras in the same category and of the same age. Hence, a score should always be seen in the context of the camera's market launch date and its price, 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 D90:
Check Ebay offers
Nikon Z6:
Check Ebay offers

Other camera comparisons

Did this review help to inform your camera decision process? If you would like to see a different side-by-side camera review, just make a corresponding selection in the search boxes below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Nikon D90 vs Nikon Z6

    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 Z6
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Nikon F mount lenses Nikon Z mount lenses
    Launch Date August 2008 August 2018
    Launch Price USD 1,299 USD 1,999
    Sensor Specs Nikon D90 Nikon Z6
    Sensor Technology CMOS BSI-CMOS
    Sensor Format APS-C Sensor Full Frame Sensor
    Sensor Size 23.6 x 15.8 mm 35.9 x 23.9 mm
    Sensor Area 372.88 mm2 858.01 mm2
    Sensor Diagonal 28.4 mm 43.1 mm
    Crop Factor 1.5x 1.0x
    Sensor Resolution 12.2 Megapixels 24.3 Megapixels
    Image Resolution 4288 x 2848 pixels 6048 x 4024 pixels
    Pixel Pitch 5.53 μm 5.94 μm
    Pixel Density 3.28 MP/cm2 2.84 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias 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 50 - 204,800 ISO
    Image Processor EXPEED EXPEED 6
    DXO Sensor Quality (score) 73 95
    DXO Color Depth (bits) 22.7 25.3
    DXO Dynamic Range (EV) 12.5 14.3
    DXO Low Light (ISO) 977 3299
    Screen Specs Nikon D90 Nikon Z6
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 96% 100%
    Viewfinder Magnification 0.63x 0.80x
    Viewfinder Resolution 3690k dots
    Top-Level Screen Control Panel Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.2inch
    LCD Resolution 920k dots 2100k dots
    LCD Attachment Fixed screen Tilting screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Nikon D90 Nikon Z6
    Focus System Phase-detect AF On-Sensor Phase-detect
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/8000s
    Continuous Shooting 4.5 shutter flaps/s 12 shutter flaps/s
    Shutter Life Expectancy100 000 actuations200 000 actuations
    Electronic Shutterno E-Shutterup to 1/8000s
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash Built-in Flash no On-Board Flash
    Storage Medium SDHC cards XQD cards
    Second Storage Option Single card slot Single card slot
    Connectivity Specs Nikon D90 Nikon Z6
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 3.1
    HDMI Port mini HDMI micro HDMI
    Microphone Port no MIC socket External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support no Wifi Wifi built-in
    Bluetooth Support no Bluetooth Bluetooth built-in
    Body Specs Nikon D90 Nikon Z6
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type EN-EL3e EN-EL15b
    Battery Life (CIPA)850 shots per charge310 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)
    134 x 101 x 67 mm
    (5.3 x 4.0 x 2.6 in)
    Camera Weight 703 g (24.8 oz) 675 g (23.8 oz)
    Nikon D90:
    Check Ebay offers
    Nikon Z6:
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