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Nikon D2X vs Sony A7 III

The Nikon D2X and the Sony Alpha A7 III are two digital cameras that were officially introduced, respectively, in September 2004 and February 2018. The D2X is a DSLR, while the A7 III is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (D2X) and a full frame (A7 III) 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 D2X
versus
Sony A7 III
Nikon D2X   Sony A7 III
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
no Video 4K/30p Video
ISO 100-800 (100 - 3,200) ISO 100-51,200 (50 - 204,800)
Optical viewfinder Electronic viewfinder (2359k dots)
2.5" LCD – 235k dots 3.0" LCD – 922k dots
Fixed screen (not touch-sensitive) Tilting touchscreen
5 shutter flaps per second 10 shutter flaps per second
Lens stabilization onlyIn-body stabilization
Weathersealed bodyWeathersealed body
3800 shots per battery charge610 shots per battery charge
158 x 150 x 86 mm, 1252 g 127 x 96 x 74 mm, 650 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon D2X and the Sony Alpha A7 III? 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.

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Body comparison

The physical size and weight of the Nikon D2X and the Sony A7 III 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.

Size Nikon D2X vs Sony A7 III
Compare D2X versus A7 III top
Comparison D2X or A7 III rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A7 III is considerably smaller (49 percent) than the Nikon D2X. Moreover, the A7 III is substantially lighter (48 percent) than the D2X. In this context, it is worth noting that both cameras are splash and dust-proof and can, hence, be used in inclement weather conditions or harsh environments.

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 (D2X) and the Sony FE Lens Catalog (A7 III). Mirrorless cameras, such as the A7 III, 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 D2X gets 3800 shots out of its Nikon EN-EL4a battery, while the A7 III can take 610 images on a single charge of its Sony NP-FZ100 power pack. As can be seen in the images above, the D2X has a battery grip built in. This facilitates image-taking in portrait orientation and gives it additional battery power. In order to provide similar functionality for the A7 III, Sony provides the VG-C3EM vertical grip as an optional accessory (see here on ebay). The power pack in the A7 III can be charged via the USB port, which can be very convenient when travelling.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. 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
# image Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Nikon D2X 158 mm 150 mm 86 mm 1252 g 3800 Y Sep 2004 4,999ebay.com
2.
 
Sony A7 III 127 mm 96 mm 74 mm 650 g 610 Y Feb 2018 1,999 amazon.com
3.
 
Nikon Z6 134 mm 101 mm 67 mm 675 g 310 Y Aug 2018 1,999ebay.com
4.
 
Nikon D3S 160 mm 157 mm 88 mm 1240 g 4200 Y Oct 2009 5,199ebay.com
5.
 
Nikon D300S 147 mm 115 mm 81 mm 938 g 950 Y Jul 2009 1,799ebay.com
6.
 
Nikon D3 160 mm 157 mm 88 mm 1300 g 4300 Y Aug 2007 4,999ebay.com
7.
 
Nikon D300 147 mm 114 mm 74 mm 925 g 1000 Y Aug 2007 1,799ebay.com
8.
 
Nikon D2Xs 158 mm 150 mm 86 mm 1252 g 3800 Y Jun 2006 4,699ebay.com
9.
 
Nikon D200 147 mm 113 mm 74 mm 920 g 400 Y Nov 2005 1,699ebay.com
10.
 
Nikon D2H 158 mm 150 mm 86 mm 1070 g 2900 Y Jul 2003 3,499ebay.com
11.
 
Nikon D1H 157 mm 153 mm 85 mm 1100 g 1200 Y Feb 2001 4,499ebay.com
12.
 
Nikon D1X 157 mm 153 mm 85 mm 1100 g 1200 Y Feb 2001 5,999ebay.com
13.
 
Nikon D1 157 mm 153 mm 85 mm 1100 g .. Y Jun 1999 5,499ebay.com
14.
 
Sony A7R IV 129 mm 96 mm 78 mm 665 g 670 Y Jul 2019 3,499ebay.com
15.
 
Sony A7R III 127 mm 96 mm 74 mm 650 g 650 Y Oct 2017 3,199ebay.com
16.
 
Sony A9 127 mm 96 mm 63 mm 673 g 650 Y Apr 2017 4,499ebay.com
17.
 
Sony A7 II 127 mm 96 mm 60 mm 599 g 350 Y Nov 2014 1,999ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
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The price is, of course, an important factor in any camera decision. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The A7 III was launched at a markedly lower price (by 60 percent) than the D2X, which puts it into a different market segment. Usually, retail prices stay at first close to the launch price, but after several months, discounts become available. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down.

Sensor comparison

The size of the imaging sensor is a crucial determinant of image quality. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixels in a sensor of the same technological generation. 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 D2X features an APS-C sensor and the Sony A7 III a full frame sensor. The sensor area in the A7 III is 128 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 D2X and Sony A7 III sensor measures

With 24MP, the A7 III offers a higher resolution than the D2X (12.2MP), but the A7 III nevertheless has larger individual pixels (pixel pitch of 5.94μm versus 5.52μm for the D2X) due to its larger sensor. Moreover, the A7 III is a much more recent model (by 13 years and 5 months) than the D2X, 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 A7 III implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A7 III 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 D2X 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 A7 III has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Nikon D2X has a native sensitivity range from ISO 100 to ISO 800, which can be extended to ISO 100-3200. The corresponding ISO settings for the Sony Alpha A7 III are ISO 100 to ISO 51200, with the possibility to increase the ISO range to 50-204800.

In terms of underlying technology, the D2X is build around a CMOS sensor, while the A7 III uses a BSI-CMOS imager. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

D2X versus A7 III 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 A7 III offers substantially better image quality than the D2X (overall score 37 points higher). The advantage is based on 2.9 bits higher color depth, 3.8 EV in additional dynamic range, and 3 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
# image Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Nikon D2X APS-C 12.2 4288 2848none22.110.947659
2.
 
Sony A7 III Full Frame 24.0 6000 40004K/30p25.014.7373096
3.
 
Nikon Z6 Full Frame 24.3 6048 40244K/30p25.314.3329995
4.
 
Nikon D3S Full Frame 12.1 4256 2832720/24p23.512.0325382
5.
 
Nikon D300S APS-C 12.2 4288 2848720/24p22.512.278770
6.
 
Nikon D3 Full Frame 12.1 4256 2832none23.512.2229081
7.
 
Nikon D300 APS-C 12.2 4288 2848none22.112.067967
8.
 
Nikon D2Xs APS-C 12.2 4288 2848none22.210.948959
9.
 
Nikon D200 APS-C 10.0 3872 2592none22.311.558364
10.
 
Nikon D2H APS-C 4.0 2464 1632none18.910.035240
11.
 
Nikon D1H APS-C 2.6 2000 1312none........
12.
 
Nikon D1X APS-C 5.9 3008 1960none........
13.
 
Nikon D1 APS-C 2.6 2000 1312none........
14.
 
Sony A7R IV Full Frame 60.2 9504 63364K/30p26.014.8334499
15.
 
Sony A7R III Full Frame 42.2 7952 53044K/30p26.014.73523100
16.
 
Sony A9 Full Frame 24.0 6000 40004K/30p24.913.3351792
17.
 
Sony A7 II Full Frame 24.0 6000 40001080/60p24.913.6244990
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Many modern cameras are not only capable of taking still images, but also of capturing video footage. The A7 III indeed provides for movie recording, while the D2X does not. The highest resolution format that the A7 III can use is 4K/30p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the A7 III has an electronic viewfinder (2359k dots), while the D2X has an optical one. Both systems have their advantages, with the electronic viewfinder making it possible to project supplementary shooting information into the framing view, whereas the optical viewfinder offers lag-free viewing and a very clear framing image. The viewfinders of both cameras offer the same field of view (100%), but the viewfinder of the A7 III has a higher magnification than the one of the D2X (0.78x vs 0.57x), 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 D2X and Sony A7 III in connection with corresponding information for a sample of similar cameras.

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Core Features
# image 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 D2Xoptical Y2.5 / 235 fixed n 1/8000s 5.0/s n n
2.
 
Sony A7 III2359 n3.0 / 922 tilting Y 1/8000s 10.0/s n Y
3.
 
Nikon Z63690 Y3.2 / 2100 tilting Y 1/8000s 12.0/s n Y
4.
 
Nikon D3Soptical Y3.0 / 921 fixed n 1/8000s 11.0/s n n
5.
 
Nikon D300Soptical Y3.0 / 920 fixed n 1/8000s 7.0/s Y n
6.
 
Nikon D3optical Y3.0 / 922 fixed n 1/8000s 11.0/s n n
7.
 
Nikon D300optical Y3.0 / 922 fixed n 1/8000s 6.0/s Y n
8.
 
Nikon D2Xsoptical Y2.5 / 230 fixed n 1/8000s 5.0/s n n
9.
 
Nikon D200optical Y2.5 / 230 fixed n 1/8000s 5.0/s Y n
10.
 
Nikon D2Hoptical Y2.5 / 211 fixed n 1/8000s 8.0/s n n
11.
 
Nikon D1Hoptical Y2.0 / 120 fixed n 1/16000s 5.0/s n n
12.
 
Nikon D1Xoptical Y2.0 / 120 fixed n 1/16000s 3.0/s n n
13.
 
Nikon D1optical Y2.0 / 120 fixed n 1/16000s 4.5/s n n
14.
 
Sony A7R IV5760 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
15.
 
Sony A7R III3686 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
16.
 
Sony A93686 n3.0 / 1440 tilting Y 1/8000s 20.0/s n Y
17.
 
Sony A7 II2400 n3.0 / 1230 tilting n 1/8000s 5.0/s n Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
padding

One feature that is present on the D2X, but is missing on the A7 III 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 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 A7 III 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 A7 III 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 D2X writes its imaging data to Compact Flash cards, while the A7 III uses SDXC or Memory Stick PRO Duo cards. The A7 III features dual card slots, which can be very useful in case a memory card fails. In contrast, the D2X only has one slot.

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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 D2X and Sony Alpha A7 III and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
# image Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Nikon D2XY- / ----2.0---
2.
 
Sony A7 IIIYstereo / monoYYmicro3.1YYY
3.
 
Nikon Z6Ystereo / monoYYmicro3.1Y-Y
4.
 
Nikon D3SYstereo / ---mini2.0---
5.
 
Nikon D300SYstereo / monoY-mini2.0---
6.
 
Nikon D3Y- / ---mini2.0---
7.
 
Nikon D300Y- / ---mini2.0---
8.
 
Nikon D2XsY- / ----2.0---
9.
 
Nikon D200Y- / ----2.0---
10.
 
Nikon D2HY- / ----2.0---
11.
 
Nikon D1HY- / ----FW---
12.
 
Nikon D1XY- / ----FW---
13.
 
Nikon D1Y- / ----FW---
14.
 
Sony A7R IVYstereo / monoYYmicro3.1YYY
15.
 
Sony A7R IIIYstereo / monoYYmicro3.1YYY
16.
 
Sony A9Ystereo / monoYYmicro2.0YYY
17.
 
Sony A7 IIYstereo / monoYYmicro2.0YY-
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It is notable that the A7 III offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the D2X does not provide wifi capability.

Studio photographers will appreciate that the Nikon D2X (unlike the A7 III) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

The A7 III is a recent model that features in the current product line-up of Sony. In contrast, the D2X has been discontinued (but can be found pre-owned on ebay). As a replacement in the same line of cameras, the D2X was succeeded by the Nikon D2Xs. Further information on the features and operation of the D2X and A7 III can be found, respectively, in the Nikon D2X Manual (free pdf) or the online Sony A7 III Manual.

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Review summary

So how do things add up? Is the Nikon D2X better than the Sony A7 III or vice versa? A synthesis of the relative strong points of each of the models is listed below.

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Reasons to prefer the Nikon D2X:

  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • More portrait friendly: Features an integrated vertical grip for easier portrait shooting.
  • Longer lasting: Can take more shots (3800 versus 610) on a single battery charge.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • More heavily discounted: Has been available for much longer (launched in September 2004).

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Arguments in favor of the Sony Alpha A7 III:

  • More detail: Has more megapixels (24 vs 12.2MP), which boosts linear resolution by 40%.
  • Better image quality: Scores substantially higher (37 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (2.9 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (3.8 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (3 stops ISO advantage).
  • Broader imaging potential: Can capture not only stills but also 4K/30p video.
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.78x vs 0.57x).
  • Larger screen: Has a bigger rear LCD (3.0" vs 2.5") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (922k vs 235k 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 burst: Shoots at higher frequency (10 vs 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 (127x96mm vs 158x150mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 602g or 48 percent) and is thus easier to take along.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • More legacy lens friendly: Can use many non-native lenses via adapters.
  • 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 device pairing: Supports NFC for fast wireless image transfer over short distances.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • More affordable: Was introduced into a lower priced category (60 percent cheaper at launch).
  • More modern: Reflects 13 years and 5 months of technical progress since the D2X launch.

If the number of relative strengths (bullet points above) is taken as a guide, the A7 III is the clear winner of the contest (28 : 6 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 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.

D2X 06:28 A7 III

How about other alternatives? Do the specifications of the Nikon D2X and the Sony A7 III 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 partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the D2X or the A7 III. 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 expert reviews are important. The following table reports the overall ratings of the cameras as published by some of the major camera review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

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Expert Camera Reviews
# image  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Nikon D2X......+ +.... Sep 2004 4,999ebay.com
2.
 
Sony A7 III..+ +4.5/589/1005/55/5 Feb 2018 1,999 amazon.com
3.
 
Nikon Z65/5..5/589/1004.5/55/5 Aug 2018 1,999ebay.com
4.
 
Nikon D3S5/5....89/1004.5/55/5 Oct 2009 5,199ebay.com
5.
 
Nikon D300S5/5+ +..82/1004/54.5/5 Jul 2009 1,799ebay.com
6.
 
Nikon D3......+ +5/54.5/5 Aug 2007 4,999ebay.com
7.
 
Nikon D300..+ +..+ +5/54.5/5 Aug 2007 1,799ebay.com
8.
 
Nikon D2Xs............ Jun 2006 4,699ebay.com
9.
 
Nikon D200..+ +..+ +o.. Nov 2005 1,699ebay.com
10.
 
Nikon D2H......+ +.... Jul 2003 3,499ebay.com
11.
 
Nikon D1H......+ +.... Feb 2001 4,499ebay.com
12.
 
Nikon D1X......+ +.... Feb 2001 5,999ebay.com
13.
 
Nikon D1......+ +.... Jun 1999 5,499ebay.com
14.
 
Sony A7R IV5/5+4.5/591/1004.5/55/5 Jul 2019 3,499ebay.com
15.
 
Sony A7R III..+ +4/590/1004.5/55/5 Oct 2017 3,199ebay.com
16.
 
Sony A95/5+ +4.8/589/1005/55/5 Apr 2017 4,499ebay.com
17.
 
Sony A7 II5/5+4/582/1004.5/55/5 Nov 2014 1,999ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
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Care should be taken when interpreting the review scores above, though. The ratings are only valid when referring to cameras in the same category and of the same age. 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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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 D2X vs Sony A7 III

    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 D2X Sony A7 III
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Nikon F mount lenses Sony E mount lenses
    Launch Date September 2004 February 2018
    Launch Price USD 4,999 USD 1,999
    Sensor Specs Nikon D2X Sony A7 III
    Sensor Technology CMOS BSI-CMOS
    Sensor Format APS-C Sensor Full Frame Sensor
    Sensor Size 23.7 x 15.7 mm 35.6 x 23.8 mm
    Sensor Area 372.09 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 5.52 μm 5.94 μm
    Pixel Density 3.28 MP/cm2 2.83 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability no Video 4K/30p Video
    ISO Setting 100 - 800 ISO 100 - 51,200 ISO
    ISO Boost 100 - 3,200 ISO 50 - 204,800 ISO
    DXO Sensor Quality (score) 59 96
    DXO Color Depth (bits) 22.1 25.0
    DXO Dynamic Range (EV) 10.9 14.7
    DXO Low Light (ISO) 476 3730
    Screen Specs Nikon D2X Sony A7 III
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.57x 0.78x
    Viewfinder Resolution 2359k dots
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View
    Rear LCD Size 2.5inch 3.0inch
    LCD Resolution 235k dots 922k dots
    LCD Attachment Fixed screen Tilting screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Nikon D2X Sony A7 III
    Focus System Phase-detect AF On-Sensor Phase-detect
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/8000s
    Continuous Shooting 5 shutter flaps/s 10 shutter flaps/s
    Shutter Life Expectancy150 000 actuations200 000 actuations
    Electronic Shutterno E-ShutterYES
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium CF cards MS or SDXC cards
    Single or Dual Card Slots Single card slot Dual card slots
    Connectivity Specs Nikon D2X Sony A7 III
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 2.0 USB 3.1
    HDMI Port no 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 D2X Sony A7 III
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type Nikon EN-EL4a Sony NP-FZ100
    Battery Life (CIPA)3800 shots per charge610 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 158 x 150 x 86 mm
    (6.2 x 5.9 x 3.4 in)
    127 x 96 x 74 mm
    (5.0 x 3.8 x 2.9 in)
    Camera Weight 1252 g (44.2 oz) 650 g (22.9 oz)
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