Nikon D2X vs Sony A9
The Nikon D2X and the Sony Alpha A9 are two professional cameras that were officially introduced, respectively, in September 2004 and April 2017. The D2X is a DSLR, while the A9 is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (D2X) and a full frame (A9) 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.
|Nikon D2X||Sony A9|
|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 (100-3200)||ISO 100-51200 (50-204800)|
|Optical viewfinder||Electronic viewfinder (3686k dots)|
|2.5" LCD, 235k dots||3.0" LCD, 1440k dots|
|Fixed screen (not touch-sensitive)||Tilting touchscreen|
|5 shutter flaps per second||20 shutter flaps per second|
|Lens stabilization only||In-body stabilization|
|Weathersealed body||Weathersealed body|
|3800 shots per battery charge||650 shots per battery charge|
|158 x 150 x 86 mm, 1252 g||127 x 96 x 63 mm, 673 g|
Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon D2X and the Sony Alpha A9? 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.
The physical size and weight of the Nikon D2X and the Sony A9 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.
If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A9 is considerably smaller (49 percent) than the Nikon D2X. Moreover, the A9 is substantially lighter (46 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 (A9). Mirrorless cameras, such as the A9, 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 EN-EL4a battery, while the A9 can take 650 images on a single charge of its 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 A9, Sony provides the VG-C3EM vertical grip as an optional accessory (see here on eBay). The power pack in the A9 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, just select a new right or left comparator from among the camera models in the table. Alternatively, you can also move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.
|Nikon D2X»||6.2 in||5.9 in||3.4 in||44.2 oz||3800||Y||Sep 2004||4,999||Nikon D2X|
|Sony A9«||5.0 in||3.8 in||2.5 in||23.7 oz||650||Y||Apr 2017||4,499||Sony A9|
|Nikon Z6« »||5.3 in||4.0 in||2.6 in||23.8 oz||310||Y||Aug 2018||1,999||Nikon Z6|
|Nikon D3S« »||6.3 in||6.2 in||3.5 in||43.7 oz||4200||Y||Oct 2009||5,199||Nikon D3S|
|Nikon D300S« »||5.8 in||4.5 in||3.2 in||33.1 oz||950||Y||Jul 2009||1,799||Nikon D300S|
|Nikon D3« »||6.3 in||6.2 in||3.5 in||45.9 oz||4300||Y||Aug 2007||4,999||Nikon D3|
|Nikon D300« »||5.8 in||4.5 in||2.9 in||32.6 oz||1000||Y||Aug 2007||1,799||Nikon D300|
|Nikon D2Xs« »||6.2 in||5.9 in||3.4 in||44.2 oz||3800||Y||Jun 2006||4,699||Nikon D2Xs|
|Nikon D200« »||5.8 in||4.4 in||2.9 in||32.5 oz||400||Y||Nov 2005||1,699||Nikon D200|
|Nikon D2H« »||6.2 in||5.9 in||3.4 in||37.7 oz||2900||Y||Jul 2003||3,499||Nikon D2H|
|Nikon D1H« »||6.2 in||6.0 in||3.3 in||38.8 oz||1200||Y||Feb 2001||4,499||Nikon D1H|
|Nikon D1X« »||6.2 in||6.0 in||3.3 in||38.8 oz||1200||Y||Feb 2001||5,999||Nikon D1X|
|Nikon D1« »||6.2 in||6.0 in||3.3 in||38.8 oz||..||Y||Jun 1999||5,499||Nikon D1|
|Sony A9 II« »||5.1 in||3.8 in||3.0 in||23.9 oz||690||Y||Oct 2019||4,499||Sony A9 II|
|Sony A7 III« »||5.0 in||3.8 in||2.9 in||22.9 oz||610||Y||Feb 2018||1,999||Sony A7 III|
|Sony A7R III« »||5.0 in||3.8 in||2.9 in||22.9 oz||650||Y||Oct 2017||3,199||Sony A7R III|
|Sony A7 II« »||5.0 in||3.8 in||2.4 in||21.1 oz||350||Y||Nov 2014||1,999||Sony A7 II|
|Note: Measurements and pricing do not include easily detachable parts, such as interchangeable lenses or optional viewfinders.|
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 A9 was somewhat cheaper (by 10 percent) than the D2X at launch, but both cameras fall into the same price category. 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.
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 A9 a full frame sensor. The sensor area in the A9 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.
With 24MP, the A9 offers a higher resolution than the D2X (12.2MP), but the A9 nevertheless has larger individual pixels (pixel pitch of 5.94μm versus 5.52μm for the D2X) due to its larger sensor. Moreover, the A9 is a much more recent model (by 12 years and 7 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 A9 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A9 for good quality output (200 dots per inch) amounts to 30 x 20 inch or 76.2 x 50.8 cm, for very good quality (250 dpi) 24 x 16 inch or 61 x 40.6 cm, and for excellent quality (300 dpi) 20 x 13.3 inch or 50.8 x 33.9 cm. The corresponding values for the Nikon D2X are 21.4 x 14.2 inch or 54.5 x 36.2 cm for good quality, 17.2 x 11.4 inch or 43.6 x 28.9 cm for very good quality, and 14.3 x 9.5 inch or 36.3 x 24.1 cm for excellent quality prints.
The A9 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 A9 are ISO 100 to ISO 51200, with the possibility to increase the ISO range to 50-204800.
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 A9 offers substantially better image quality than the D2X (overall score 33 points higher). The advantage is based on 2.8 bits higher color depth, 2.4 EV in additional dynamic range, and 2.9 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.
|Nikon D2X||APS-C||12.2||4288||2848||none||22.1||10.9||476||59||Nikon D2X|
|Sony A9||Full Frame||24.0||6000||4000||4K/30p||24.9||13.3||3517||92||Sony A9|
|Nikon Z6||Full Frame||24.3||6048||4024||4K/30p||25.3||14.3||3299||95||Nikon Z6|
|Nikon D3S||Full Frame||12.1||4256||2832||720/24p||23.5||12.0||3253||82||Nikon D3S|
|Nikon D300S||APS-C||12.2||4288||2848||720/24p||22.5||12.2||787||70||Nikon D300S|
|Nikon D3||Full Frame||12.1||4256||2832||none||23.5||12.2||2290||81||Nikon D3|
|Nikon D300||APS-C||12.2||4288||2848||none||22.1||12.0||679||67||Nikon D300|
|Nikon D2Xs||APS-C||12.2||4288||2848||none||22.2||10.9||489||59||Nikon D2Xs|
|Nikon D200||APS-C||10.0||3872||2592||none||22.3||11.5||583||64||Nikon D200|
|Nikon D2H||APS-C||4.0||2464||1632||none||18.9||10.0||352||40||Nikon D2H|
|Nikon D1H||APS-C||2.6||2000||1312||none||..||..||..||..||Nikon D1H|
|Nikon D1X||APS-C||5.9||3008||1960||none||..||..||..||..||Nikon D1X|
|Nikon D1||APS-C||2.6||2000||1312||none||..||..||..||..||Nikon D1|
|Sony A9 II||Full Frame||24.0||6000||4000||4K/30p||25.0||14.0||3434||93||Sony A9 II|
|Sony A7 III||Full Frame||24.0||6000||4000||4K/30p||25.0||14.7||3730||96||Sony A7 III|
|Sony A7R III||Full Frame||42.2||7952||5304||4K/30p||26.0||14.7||3523||100||Sony A7R III|
|Sony A7 II||Full Frame||24.0||6000||4000||1080/60p||24.9||13.6||2449||90||Sony A7 II|
Many modern cameras are not only capable of taking still images, but also of capturing video footage. The A9 indeed provides for movie recording, while the D2X does not. The highest resolution format that the A9 can use is 4K/30p.
Apart from body and sensor, cameras can and do differ across a variety of features. For example, the A9 has an electronic viewfinder (3686k 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 A9 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 A9 in connection with corresponding information for a sample of similar cameras.
|Nikon D2X||optical||Y||2.5||235||fixed||n||1/8000s||5.0||n||n||Nikon D2X|
|Sony A9||3686||n||3.0||1440||tilting||Y||1/8000s||20.0||n||Y||Sony A9|
|Nikon Z6||3690||Y||3.2||2100||tilting||Y||1/8000s||12.0||n||Y||Nikon Z6|
|Nikon D3S||optical||Y||3.0||921||fixed||n||1/8000s||11.0||n||n||Nikon D3S|
|Nikon D300S||optical||Y||3.0||920||fixed||n||1/8000s||7.0||Y||n||Nikon D300S|
|Nikon D3||optical||Y||3.0||922||fixed||n||1/8000s||11.0||n||n||Nikon D3|
|Nikon D300||optical||Y||3.0||922||fixed||n||1/8000s||6.0||Y||n||Nikon D300|
|Nikon D2Xs||optical||Y||2.5||230||fixed||n||1/8000s||5.0||n||n||Nikon D2Xs|
|Nikon D200||optical||Y||2.5||230||fixed||n||1/8000s||5.0||Y||n||Nikon D200|
|Nikon D2H||optical||Y||2.5||211||fixed||n||1/8000s||8.0||n||n||Nikon D2H|
|Nikon D1H||optical||Y||2.0||120||fixed||n||1/16000s||5.0||n||n||Nikon D1H|
|Nikon D1X||optical||Y||2.0||120||fixed||n||1/16000s||3.0||n||n||Nikon D1X|
|Nikon D1||optical||Y||2.0||120||fixed||n||1/16000s||1.5||n||n||Nikon D1|
|Sony A9 II||3686||n||3.0||1440||tilting||Y||1/8000s||10.0||n||Y||Sony A9 II|
|Sony A7 III||2359||n||3.0||922||tilting||Y||1/8000s||10.0||n||Y||Sony A7 III|
|Sony A7R III||3686||n||3.0||1440||tilting||Y||1/8000s||10.0||n||Y||Sony A7R III|
|Sony A7 II||2400||n||3.0||1230||tilting||n||1/8000s||5.0||n||Y||Sony A7 II|
One feature that is present on the D2X, but is missing on the A9 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 A9 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 D2X writes its imaging data to Compact Flash cards, while the A9 uses SDXC or Memory Stick PRO Duo cards. The A9 features dual card slots, which can be very useful in case a memory card fails. In contrast, the D2X only has one slot.
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 A9 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
|Nikon D2X||Y||none||none||-||-||none||2.0||-||-||-||Nikon D2X|
|Sony A9||Y||stereo||mono||Y||Y||micro||2.0||Y||Y||Y||Sony A9|
|Nikon Z6||Y||stereo||mono||Y||Y||micro||3.1||Y||-||Y||Nikon Z6|
|Nikon D3S||Y||stereo||none||-||-||mini||2.0||-||-||-||Nikon D3S|
|Nikon D300S||Y||stereo||mono||Y||-||mini||2.0||-||-||-||Nikon D300S|
|Nikon D3||Y||none||none||-||-||mini||2.0||-||-||-||Nikon D3|
|Nikon D300||Y||none||none||-||-||mini||2.0||-||-||-||Nikon D300|
|Nikon D2Xs||Y||none||none||-||-||none||2.0||-||-||-||Nikon D2Xs|
|Nikon D200||Y||none||none||-||-||none||2.0||-||-||-||Nikon D200|
|Nikon D2H||Y||none||none||-||-||none||2.0||-||-||-||Nikon D2H|
|Nikon D1H||Y||none||none||-||-||none||FW||-||-||-||Nikon D1H|
|Nikon D1X||Y||none||none||-||-||none||FW||-||-||-||Nikon D1X|
|Nikon D1||Y||none||none||-||-||none||FW||-||-||-||Nikon D1|
|Sony A9 II||Y||stereo||mono||Y||Y||micro||3.1||Y||Y||Y||Sony A9 II|
|Sony A7 III||Y||stereo||mono||Y||Y||micro||3.1||Y||Y||Y||Sony A7 III|
|Sony A7R III||Y||stereo||mono||Y||Y||micro||3.1||Y||Y||Y||Sony A7R III|
|Sony A7 II||Y||stereo||mono||Y||Y||micro||2.0||Y||Y||-||Sony A7 II|
It is notable that the A9 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 offer wifi capability.
Both cameras feature a PC Sync terminal to control professional strobe lights, which will be appreciated by studio photographers.
Both the D2X and the A9 have been discontinued, but can regularly be found used on eBay. The D2X was replaced by the Nikon D2Xs, while the A9 was followed by the Sony A9 II. 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.
So how do things add up? Is the Nikon D2X better than the Sony A9 or vice versa? A synthesis of the relative strong points of each of the models is listed below.
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 650) on a single battery charge.
- More heavily discounted: Has been available for much longer (launched in September 2004).
Arguments in favor of the Sony Alpha A9:
- More detail: Has more megapixels (24 vs 12.2MP), which boosts linear resolution by 40%.
- Better image quality: Scores substantially higher (33 points) in the DXO overall evaluation.
- Richer colors: Generates noticeably more natural colors (2.8 bits more color depth).
- More dynamic range: Captures a broader range of light and dark details (2.4 EV of extra DR).
- Better low-light sensitivity: Can shoot in dim conditions (2.9 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 (1440k 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 (20 vs 5 flaps/sec) to capture the decisive moment.
- Less disturbing: Has an electronic shutter option for completely silent shooting.
- More compact: Is smaller (127x96mm vs 158x150mm) and will fit more readily into a bag.
- Less heavy: Has a lower weight (by 579g or 46 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.
- 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 modern: Reflects 12 years and 7 months of technical progress since the D2X launch.
If the number of relative strengths (bullet points above) is taken as a guide, the A9 is the clear winner of the contest (24 : 5 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.
How about other alternatives? Do the specifications of the Nikon D2X and the Sony A9 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 A9. 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.
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 (cameralabs, dpreview, ephotozine, imaging-resource, and photographyblog). 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.
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.
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.
Specifications: Nikon D2X vs Sony A9
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 Model||Nikon D2X||Sony A9|
|Camera Type||Digital single lens reflex||Mirrorless system camera|
|Camera Lens||Nikon F mount lenses||Sony E mount lenses|
|Launch Date||September 2004||April 2017|
|Launch Price||USD 4999||USD 4499|
|Sensor Specs||Nikon D2X||Sony A9|
|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|
|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||100-51200 ISO|
|ISO Boost||100-3200 ISO||50-204800 ISO|
|DXO Sensor Quality (score)||59||92|
|DXO Color Depth (bits)||22.1||24.9|
|DXO Dynamic Range (EV)||10.9||13.3|
|DXO Low Light (ISO)||476||3517|
|Screen Specs||Nikon D2X||Sony A9|
|Viewfinder Type||Optical viewfinder||Electronic viewfinder|
|Viewfinder Field of View||100%||100%|
|Viewfinder Resolution||3686k dots|
|Top-Level Screen||Control Panel||no Top Display|
|LCD Framing||Live View|
|Rear LCD Size||2.5 inch||3.0 inch|
|LCD Resolution||235k dots||1440k dots|
|LCD Attachment||Fixed screen||Tilting screen|
|Touch Input||no Touchscreen||Touchscreen|
|Shooting Specs||Nikon D2X||Sony A9|
|Focus System||Phase-detect AF||On-Sensor Phase-detect|
|Manual Focusing Aid||No Peaking Feature||Focus Peaking|
|Max Shutter Speed (mechanical)||1/8000/s||1/8000/s|
|Continuous Shooting||5 shutter flaps/s||20 shutter flaps/s|
|Shutter Life Expectancy||150 000 actuations||500 000 actuations|
|Electronic Shutter||no E-Shutter||up to 1/32000s|
|Image Stabilization||Lens stabilization only||In-body stabilization|
|Fill Flash||no On-Board Flash||no On-Board Flash|
|Storage Medium||CF cards||MS or SDXC cards|
|Second Storage Option||Single card slot||Dual card slots|
|Connectivity Specs||Nikon D2X||Sony A9|
|Studio Flash||PC Sync socket||PC Sync socket|
|USB Connector||USB 2.0||USB 2.0|
|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 A9|
|Environmental Sealing||Weathersealed body||Weathersealed body|
|Battery Life (CIPA)||3800 shots per charge||650 shots per charge|
|In-Camera Charging||no USB charging||USB charging|
158 x 150 x 86 mm
(6.2 x 5.9 x 3.4 in)
127 x 96 x 63 mm
(5.0 x 3.8 x 2.5 in)
|Camera Weight||1252 g (44.2 oz)||673 g (23.7 oz)|
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