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Nikon D90 vs Sony A7C

The Nikon D90 and the Sony Alpha A7C are two enthusiast cameras that were officially introduced, respectively, in August 2008 and September 2020. The D90 is a DSLR, while the A7C is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (D90) and a full frame (A7C) sensor. The Nikon has a resolution of 12.2 megapixels, whereas the Sony provides 24 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 Sony A7C
Nikon D90 Sony A7C
Digital single lens reflex Mirrorless system camera
Nikon F mount lenses Sony E mount lenses
12.2 MP, APS-C Sensor 24 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 (2360k dots)
3.0 LCD, 920k dots 3.0 LCD, 922k dots
Fixed screen (not touch-sensitive) Swivel touchscreen
4.5 shutter flaps per second 10 shutter flaps per second
Lens stabilization onlyIn-body stabilization
not weather sealedWeathersealed body
850 shots per battery charge740 shots per battery charge
132 x 103 x 77 mm, 703 g 124 x 71 x 60 mm, 509 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon D90 and the Sony Alpha A7C? 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 Sony A7C 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 size dimensions are rounded to the nearest millimeter.

The A7C can be obtained in two different colors (black, silver), while the D90 is only available in black.

Size Nikon D90 vs Sony A7C
Compare D90 versus A7C top
Comparison D90 or A7C rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A7C is considerably smaller (35 percent) than the Nikon D90. Moreover, the A7C is markedly lighter (28 percent) than the D90. It is noteworthy in this context that the A7C 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. 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 (D90) and the Sony FE Lens Catalog (A7C). Mirrorless cameras, such as the A7C, 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 D90 gets 850 shots out of its EN-EL3e battery, while the A7C can take 740 images on a single charge of its NP-FZ100 power pack. The power pack in the A7C can be charged via the USB port, which can be very convenient when travelling.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. In case you want to display and compare another camera duo, 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.
 
Sony A7C 124 mm 71 mm 60 mm 509 g 740 Y Sep 2020 1,799 i
3.
 
Canon 40D 146 mm 108 mm 74 mm 822 g 750 n Aug 2007 1,299i
4.
 
Nikon D7000 132 mm 105 mm 77 mm 780 g 1050 Y Sep 2010 1,499i
5.
 
Nikon D3100 124 mm 96 mm 75 mm 505 g 550 n Aug 2010 599i
6.
 
Nikon D300S 147 mm 115 mm 81 mm 938 g 950 Y Jul 2009 1,799i
7.
 
Nikon D3000 126 mm 97 mm 64 mm 536 g 500 n Jul 2009 599i
8.
 
Nikon D5000 127 mm 104 mm 80 mm 590 g 510 n Apr 2009 749i
9.
 
Nikon D60 126 mm 94 mm 64 mm 522 g 500 n Jan 2008 629i
10.
 
Nikon D40X 124 mm 94 mm 64 mm 522 g 520 n Mar 2007 729i
11.
 
Nikon D300 147 mm 114 mm 74 mm 925 g 1000 Y Aug 2007 1,799i
12.
 
Nikon D80 132 mm 103 mm 77 mm 668 g 600 n Aug 2006 999i
13.
 
Sony A9 II 129 mm 96 mm 76 mm 678 g 690 Y Oct 2019 4,499 i
14.
 
Sony A7 III 127 mm 96 mm 74 mm 650 g 610 Y Feb 2018 1,999 i
15.
 
Sony A7 II 127 mm 96 mm 60 mm 599 g 350 Y Nov 2014 1,999i
16.
 
Sony A7 127 mm 94 mm 48 mm 474 g 340 Y Oct 2013 1,699i
17.
 
Sony A850 156 mm 117 mm 82 mm 895 g 880 Y Aug 2009 1,999i
Notes: 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 listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The D90 was launched at a markedly lower price (by 28 percent) than the A7C, 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

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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 D90 features an APS-C sensor and the Sony A7C a full frame sensor. The sensor area in the A7C is 127 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.

Nikon D90 and Sony A7C sensor measures

With 24MP, the A7C offers a higher resolution than the D90 (12.2MP), but the A7C nevertheless has larger individual pixels (pixel pitch of 5.94μm versus 5.53μm for the D90) due to its larger sensor. Moreover, the A7C is a much more recent model (by 12 years) 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 Sony A7C implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A7C for good quality output (200 dots per inch) amounts to 30 x 20 inches or 76.2 x 50.8 cm, for very good quality (250 dpi) 24 x 16 inches or 61 x 40.6 cm, and for excellent quality (300 dpi) 20 x 13.3 inches or 50.8 x 33.9 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 A7C 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 Sony Alpha A7C are ISO 100 to ISO 51200, with the possibility to increase the ISO range to 50-204800.

D90 versus A7C 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"). Of the two cameras under consideration, the A7C offers substantially better image quality than the D90 (overall score 22 points higher). The advantage is based on 2.3 bits higher color depth, 2.2 EV in additional dynamic range, and 1.8 stops in additional low light sensitivity. 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 D90 APS-C 12.2 4288 2848720/24p22.712.597773
2.
 
Sony A7C Full Frame 24.0 6000 40004K/30p25.014.7340795
3.
 
Canon 40D APS-C 10.1 3888 2592none22.111.370364
4.
 
Nikon D7000 APS-C 16.1 4928 326410800/24p23.513.9116780
5.
 
Nikon D3100 APS-C 14.2 4608 30721080/24p22.511.391967
6.
 
Nikon D300S APS-C 12.2 4288 2848720/24p22.512.278770
7.
 
Nikon D3000 APS-C 10.0 3872 2592none22.311.156362
8.
 
Nikon D5000 APS-C 12.2 4288 2848720/24p22.712.586872
9.
 
Nikon D60 APS-C 10.0 3872 2592none22.511.456265
10.
 
Nikon D40X APS-C 10.0 3872 2592none22.411.451663
11.
 
Nikon D300 APS-C 12.2 4288 2848none22.112.067967
12.
 
Nikon D80 APS-C 10.0 3872 2592none22.111.252461
13.
 
Sony A9 II Full Frame 24.0 6000 40004K/30p25.014.0343493
14.
 
Sony A7 III Full Frame 24.0 6000 40004K/30p25.014.7373096
15.
 
Sony A7 II Full Frame 24.0 6000 40001080/60p24.913.6244990
16.
 
Sony A7 Full Frame 24.0 6000 40001080/60p24.814.2224890
17.
 
Sony A850 Full Frame 24.4 6048 4032none23.812.2141579

Many modern cameras are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the A7C provides a better video resolution than the D90. It can shoot movie footage at 4K/30p, while the Nikon is limited to 720/24p.

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Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the A7C 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 A7C 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. On the other hand, the viewfinder of the D90 has a higher magnification (0.63x vs 0.59x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The following table reports on some other key feature differences and similarities of the Nikon D90, the Sony A7C, and comparable cameras.

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Core Features
    Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
(000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Nikon D90optical Y 3.0 920 fixed n 1/4000s 4.5 Y n
2.
 
Sony A7C2360 n 3.0 922 swivel Y 1/4000s 10.0 n Y
3.
 
Canon 40Doptical Y 3.0 230 fixed n 1/8000s 6.5 Y n
4.
 
Nikon D7000optical Y 3.0 921 fixed n 1/8000s 6.0 Y n
5.
 
Nikon D3100optical n 3.0 230 fixed n 1/4000s 3.0 Y n
6.
 
Nikon D300Soptical Y 3.0 920 fixed n 1/8000s 7.0 Y n
7.
 
Nikon D3000optical n 3.0 230 fixed n 1/4000s 3.0 Y n
8.
 
Nikon D5000optical n 2.7 230 full-flex n 1/4000s 4.0 Y n
9.
 
Nikon D60optical n 2.5 230 fixed n 1/4000s 3.0 Y n
10.
 
Nikon D40Xoptical n 2.5 230 fixed n 1/4000s 3.0 Y n
11.
 
Nikon D300optical Y 3.0 922 fixed n 1/8000s 6.0 Y n
12.
 
Nikon D80optical n 2.5 230 fixed n 1/4000s 3.0 Y n
13.
 
Sony A9 II3686 n 3.0 1440 tilting Y 1/8000s 10.0 n Y
14.
 
Sony A7 III2359 n 3.0 922 tilting Y 1/8000s 10.0 n Y
15.
 
Sony A7 II2400 n 3.0 1230 tilting n 1/8000s 5.0 n Y
16.
 
Sony A72400 n 3.0 1230 tilting n 1/8000s 5.0 n n
17.
 
Sony A850optical Y 3.0 922 fixed n 1/8000s 3.0 n Y

One difference between the cameras concerns the presence of an on-board flash. The D90 has one, while the A7C 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 A7C 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 A7C 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 Sony A7C 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 A7C uses SDXC or Memory Stick PRO Duo cards. The A7C 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.

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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 Sony Alpha A7C 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
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Nikon D90Ymonomono--mini2.0---
2.
 
Sony A7CYstereomonoYYmicro3.2YYY
3.
 
Canon 40DY-----2.0---
4.
 
Nikon D7000YmonomonoY-mini2.0---
5.
 
Nikon D3100Ymonomono--mini2.0---
6.
 
Nikon D300SYstereomonoY-mini2.0---
7.
 
Nikon D3000Y-----2.0---
8.
 
Nikon D5000Ymonomono--mini2.0---
9.
 
Nikon D60Y-----2.0---
10.
 
Nikon D40XY-----2.0---
11.
 
Nikon D300Y----mini2.0---
12.
 
Nikon D80Y-----2.0---
13.
 
Sony A9 IIYstereomonoYYmicro3.1YYY
14.
 
Sony A7 IIIYstereomonoYYmicro3.1YYY
15.
 
Sony A7 IIYstereomonoYYmicro2.0YY-
16.
 
Sony A7YstereomonoYYmicro2.0YY-
17.
 
Sony A850Y----mini2.0---

It is notable that the A7C 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 A7C is a recent model that features in the current product line-up of Sony. 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 and Sony websites.

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Review summary

So how do things add up? Which of the two cameras – the Nikon D90 or the Sony A7C – has the upper hand? Is one clearly better than the other? Below is a summary of the relative strengths of each of the two contestants.

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Reasons to prefer the Nikon D90:

  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.63x vs 0.59x).
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • Longer lasting: Can take more shots (850 versus 740) 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 (28 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in August 2008).

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Arguments in favor of the Sony Alpha A7C:

  • More detail: Has more megapixels (24 vs 12.2MP), which boosts linear resolution by 40%.
  • Better image quality: Scores substantially higher (22 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (2.3 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (2.2 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (1.8 stops ISO advantage).
  • 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%).
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster burst: Shoots at higher frequency (10 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 (124x71mm vs 132x103mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 194g or 28 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.
  • 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 (3.2 vs 2.0).
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • 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 modern: Reflects 12 years of technical progress since the D90 launch.

If the number of relative strengths (bullet points above) is taken as a guide, the A7C is the clear winner of the contest (29 : 7 points). However, the relative importance of the various individual camera aspects will vary according to personal preferences and needs, so that you might like to apply corresponding weights to the particular features before making a decision on a new camera. A professional 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 07:29 A7C

How about other alternatives? Do the specifications of the Nikon D90 and the Sony A7C 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 D90 or the A7C 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 where reviews by experts come in. The table below provides a synthesis of the camera assessments of some of the best known photo-gear review sites (amateurphotographer [AP], cameralabs [CL], 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 
 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.
 
Sony A7C3.5/5..86/1004/54/5 Sep 2020 1,799 i
3.
 
Canon 40D..+ ++ +4.5/54.5/5 Aug 2007 1,299i
4.
 
Nikon D70004/5..80/1004.5/54.5/5 Sep 2010 1,499i
5.
 
Nikon D31005/5+ +72/1004.5/54.5/5 Aug 2010 599i
6.
 
Nikon D300S5/5+ +82/1004/54.5/5 Jul 2009 1,799i
7.
 
Nikon D3000..+72/1004/54.5/5 Jul 2009 599i
8.
 
Nikon D5000..+ +75/1004/54.5/5 Apr 2009 749i
9.
 
Nikon D60..80/100+ +4/54.5/5 Jan 2008 629i
10.
 
Nikon D40X..79/100+ +4/54/5 Mar 2007 729i
11.
 
Nikon D300..+ ++ +5/54.5/5 Aug 2007 1,799i
12.
 
Nikon D80..++ +o4.5/5 Aug 2006 999i
13.
 
Sony A9 II....90/1005/55/5 Oct 2019 4,499 i
14.
 
Sony A7 III..+ +89/1005/55/5 Feb 2018 1,999 i
15.
 
Sony A7 II5/5+82/1004.5/55/5 Nov 2014 1,999i
16.
 
Sony A75/5+ +80/1005/55/5 Oct 2013 1,699i
17.
 
Sony A8503/5..75/100..4.5/5 Aug 2009 1,999i
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. 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. Also, please note that some of the review sites have changed their methodology and reporting over time.

Nikon D90:
Check Ebay offers
Sony A7C:
Check Amazon price

Other camera comparisons

Did this review help to inform your camera decision process? In case you are interested in seeing how other cameras pair up, just make a corresponding selection in the search boxes below. 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 Sony A7C

    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 Sony A7C
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Nikon F mount lenses Sony E mount lenses
    Launch Date August 2008 September 2020
    Launch Price USD 1,299 USD 1,799
    Sensor Specs Nikon D90 Sony A7C
    Sensor Technology CMOS BSI-CMOS
    Sensor Format APS-C Sensor Full Frame Sensor
    Sensor Size 23.6 x 15.8 mm 35.6 x 23.8 mm
    Sensor Area 372.88 mm2 847.28 mm2
    Sensor Diagonal 28.4 mm 42.8 mm
    Crop Factor 1.5x 1.0x
    Sensor Resolution 12.2 Megapixels 24 Megapixels
    Image Resolution 4288 x 2848 pixels 6000 x 4000 pixels
    Pixel Pitch 5.53 μm 5.94 μm
    Pixel Density 3.28 MP/cm2 2.83 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 BIONZ X
    DXO Sensor Quality (score) 73 95
    DXO Color Depth (bits) 22.7 25.0
    DXO Dynamic Range (EV) 12.5 14.7
    DXO Low Light (ISO) 977 3407
    Screen Specs Nikon D90 Sony A7C
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 96% 100%
    Viewfinder Magnification 0.63x 0.59x
    Viewfinder Resolution 2360k dots
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 920k dots 922k dots
    LCD Attachment Fixed screen Swivel screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Nikon D90 Sony A7C
    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 10 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 Build-in Flash no On-Board Flash
    Storage Medium SDHC cards MS or SDXC cards
    Second Storage Option Single card slot Single card slot
    UHS card support no UHS-II
    Connectivity Specs Nikon D90 Sony A7C
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 3.2
    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
    Near-Field Communication no NFC NFC built-in
    Bluetooth Support no Bluetooth Bluetooth built-in
    Body Specs Nikon D90 Sony A7C
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type EN-EL3e NP-FZ100
    Battery Life (CIPA)850 shots per charge740 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)
    124 x 71 x 60 mm
    (4.9 x 2.8 x 2.4 in)
    Camera Weight 703 g (24.8 oz) 509 g (18.0 oz)

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