Canon 1D Mark IV vs Nikon D3X
The Canon EOS-1D Mark IV and the Nikon D3X are two professional cameras that were revealed to the public, respectively, in October 2009 and December 2008. Both are DSLR (Digital Single Lens Reflex) cameras that are based on an APS-H (1D Mark IV) and a full frame (D3X) sensor. The Canon has a resolution of 16 megapixels, whereas the Nikon provides 24.4 MP.
Below is an overview of the main specs of the two cameras as a starting point for the comparison.
|Canon 1D Mark IV||Nikon D3X|
|Digital single lens reflex||Digital single lens reflex|
|Canon EF mount lenses||Nikon F mount lenses|
|16 MP, APS-H Sensor||24.4 MP, Full Frame Sensor|
|1080/30p Video||no Video|
|ISO 100-12800 (50-102400)||ISO 100-1600 (50-6400)|
|Optical viewfinder||Optical viewfinder|
|3.0" LCD, 920k dots||3.0" LCD, 922k dots|
|Fixed screen (not touch-sensitive)||Fixed screen (not touch-sensitive)|
|10 shutter flaps per second||5 shutter flaps per second|
|Weathersealed body||Weathersealed body|
|1500 shots per battery charge||4400 shots per battery charge|
|156 x 157 x 80 mm, 1230 g||160 x 157 x 88 mm, 1260 g|
Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS-1D Mark IV and the Nikon D3X? 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: Canon 1D Mark IV vs Nikon D3X
The physical size and weight of the Canon 1D Mark IV and the Nikon D3X 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 width, height and depth 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 Nikon D3X is somewhat larger (3 percent) than the Canon 1D Mark IV. Moreover, the D3X is slightly heavier (2 percent) than the 1D Mark IV. 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 Canon EF Lens Catalog (1D Mark IV) and the Nikon Lens Catalog (D3X).
Concerning battery life, the 1D Mark IV gets 1500 shots out of its LP-E4 battery, while the D3X can take 4400 images on a single charge of its EN-EL4a power pack. As can be seen in the images above, both cameras have a battery grip built in. This facilitates image-taking in portrait orientation and gives it additional battery power.
The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. If you want to switch the focus of the display and review another camera pair, 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.
|Canon 1D Mark IV»||6.1 in||6.2 in||3.1 in||43.4 oz||1500||Y||Oct 2009||4,999||-||Canon 1D Mark IV|
|Nikon D3X«||6.3 in||6.2 in||3.5 in||44.4 oz||4400||Y||Dec 2008||7,999||-||Nikon D3X|
|Canon 1D X Mark II« »||6.2 in||6.6 in||3.3 in||54.0 oz||1210||Y||Feb 2016||5,999||Canon 1D X Mark II|
|Canon 1D X« »||6.2 in||6.6 in||3.3 in||54.7 oz||1120||Y||Oct 2011||6,799||-||Canon 1D X|
|Canon 60D« »||5.7 in||4.2 in||3.1 in||26.6 oz||1100||Y||Aug 2010||1,399||-||Canon 60D|
|Canon 7D« »||5.8 in||4.4 in||2.9 in||30.3 oz||800||Y||Sep 2009||1,699||-||Canon 7D|
|Canon 5D Mark II« »||6.0 in||4.5 in||3.0 in||30.0 oz||850||Y||Sep 2008||3,499||-||Canon 5D Mark II|
|Canon 1D Mark III« »||6.1 in||6.2 in||3.1 in||40.7 oz||2200||Y||Feb 2007||4,499||-||Canon 1D Mark III|
|Canon 1Ds Mark III« »||5.9 in||6.3 in||3.1 in||48.9 oz||1800||Y||Aug 2007||7,999||-||Canon 1Ds Mark III|
|Canon 1D Mark II« »||6.1 in||6.2 in||3.1 in||54.1 oz||1200||Y||Jan 2004||4,499||-||Canon 1D Mark II|
|Canon 1Ds Mark II« »||6.1 in||6.2 in||3.1 in||42.9 oz||1200||Y||Sep 2004||7,999||-||Canon 1Ds Mark II|
|Nikon D5« »||6.3 in||6.3 in||3.6 in||49.9 oz||3780||Y||Jan 2016||6,499||Nikon D5|
|Nikon D4« »||6.3 in||6.2 in||3.6 in||47.3 oz||2600||Y||Jan 2012||5,999||-||Nikon D4|
|Nikon D3S« »||6.3 in||6.2 in||3.5 in||43.7 oz||4200||Y||Oct 2009||5,199||-||Nikon D3S|
|Nikon D700« »||5.8 in||4.8 in||3.0 in||37.9 oz||1000||Y||Jul 2008||2,999||-||Nikon D700|
|Nikon D3« »||6.3 in||6.2 in||3.5 in||45.9 oz||4300||Y||Aug 2007||4,999||-||Nikon D3|
|Note: Measurements and pricing do not include easily detachable parts, such as interchangeable lenses or optional viewfinders.|
Any camera decision will naturally be influenced heavily by the price. 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 1D Mark IV was launched at a markedly lower price (by 38 percent) than the D3X, 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.
Sensor comparison: Canon 1D Mark IV vs Nikon D3X
The imaging sensor is at the core of digital cameras and its size is one of the main determining factors of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units 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 tend to be more expensive and lead to bigger and heavier cameras and lenses.
Of the two cameras under consideration, the Canon 1D Mark IV features an APS-H sensor and the Nikon D3X a full frame sensor. The sensor area in the D3X is 66 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.3 and 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.
In terms of underlying technology, both cameras are build around CMOS sensors.
With 24.4MP, the D3X offers a higher resolution than the 1D Mark IV (16MP), but the D3X nevertheless has larger individual pixels (pixel pitch of 5.94μm versus 5.70μm for the 1D Mark IV) due to its larger sensor. However, the 1D Mark IV is a somewhat more recent model (by 10 months) than the D3X, and its sensor might have benefitted from technological advances during this time that enhance the light gathering capacity of its pixel-units.
The resolution advantage of the Nikon D3X implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the D3X for good quality output (200 dots per inch) amounts to 30.2 x 20.2 inch or 76.8 x 51.2 cm, for very good quality (250 dpi) 24.2 x 16.1 inch or 61.4 x 41 cm, and for excellent quality (300 dpi) 20.2 x 13.4 inch or 51.2 x 34.1 cm. The corresponding values for the Canon 1D Mark IV are 24.5 x 16.3 inch or 62.2 x 41.5 cm for good quality, 19.6 x 13.1 inch or 49.7 x 33.2 cm for very good quality, and 16.3 x 10.9 inch or 41.5 x 27.6 cm for excellent quality prints.
The Canon EOS-1D Mark IV has a native sensitivity range from ISO 100 to ISO 12800, which can be extended to ISO 50-102400. The corresponding ISO settings for the Nikon D3X are ISO 100 to ISO 1600, with the possibility to increase the ISO range to 50-6400.
Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service assesses and scores the color depth ("DXO Portrait"), dynamic range ("DXO Landscape"), and low-light sensitivity ("DXO Sports") of camera sensors, and also publishes an overall camera score. Of the two cameras under consideration, the D3X offers substantially better image quality than the 1D Mark IV (overall score 14 points higher). The advantage is based on 1.9 bits higher color depth, 1.7 EV in additional dynamic range, and 0.6 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.
|Canon 1D Mark IV»||APS-H||16.0||4896||3264||1080/30p||22.8||12.0||1320||74||Canon 1D Mark IV|
|Nikon D3X«||Full Frame||24.4||6048||4032||-||24.7||13.7||1992||88||Nikon D3X|
|Canon 1D X Mark II« »||Full Frame||20.0||5472||3648||4K/60p||24.1||13.5||3207||88||Canon 1D X Mark II|
|Canon 1D X« »||Full Frame||17.9||5184||3456||1080/30p||23.8||11.8||2786||82||Canon 1D X|
|Canon 60D« »||APS-C||17.9||5184||3456||1080/30p||22.2||11.5||813||66||Canon 60D|
|Canon 7D« »||APS-C||17.9||5184||3456||1080/30p||22.0||11.7||854||66||Canon 7D|
|Canon 5D Mark II« »||Full Frame||21.0||5616||3744||1080/30p||23.7||11.9||1815||79||Canon 5D Mark II|
|Canon 1D Mark III« »||APS-H||10.1||3888||2592||-||22.7||11.7||1078||71||Canon 1D Mark III|
|Canon 1Ds Mark III« »||Full Frame||21.0||5616||3744||-||24.0||12.0||1663||80||Canon 1Ds Mark III|
|Canon 1D Mark II« »||APS-H||8.2||3504||2336||-||22.3||11.1||1003||66||Canon 1D Mark II|
|Canon 1Ds Mark II« »||Full Frame||16.6||4992||3328||-||23.3||11.3||1480||74||Canon 1Ds Mark II|
|Nikon D5« »||Full Frame||20.7||5588||3712||4K/30p||25.1||12.3||2343||88||Nikon D5|
|Nikon D4« »||Full Frame||16.2||4928||3280||1080/30p||24.7||13.1||2965||89||Nikon D4|
|Nikon D3S« »||Full Frame||12.1||4256||2832||720/24p||23.5||12.0||3253||82||Nikon D3S|
|Nikon D700« »||Full Frame||12.1||4256||2832||-||23.5||12.2||2303||80||Nikon D700|
|Nikon D3« »||Full Frame||12.1||4256||2832||-||23.5||12.2||2290||81||Nikon D3|
Many modern cameras are not only capable of taking still images, but also of capturing video footage. The 1D Mark IV indeed provides movie recording capabilities, while the D3X does not. The highest resolution format that the 1D Mark IV can use is 1080/30p.
Feature comparison: Canon 1D Mark IV vs Nikon D3X
Apart from body and sensor, cameras can and do differ across a variety of features. The 1D Mark IV and the D3X are similar in the sense that both have an optical viewfinder. The latter is useful for getting a clear image for framing even in brightly lit environments. The viewfinders of both cameras offer the same field of view (100%), but the viewfinder of the D3X has a higher magnification than the one of the 1D Mark IV (0.70x vs 0.58x), 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 Canon 1D Mark IV, the Nikon D3X, and comparable cameras.
|Canon 1D Mark IV»||optical||Y||3.0||920||fixed||n||1/8000s||10.0||n||n||Canon 1D Mark IV|
|Nikon D3X«||optical||Y||3.0||922||fixed||n||1/8000s||5.0||n||n||Nikon D3X|
|Canon 1D X Mark II« »||optical||Y||3.2||1620||fixed||Y||1/8000s||16.0||n||n||Canon 1D X Mark II|
|Canon 1D X« »||optical||Y||3.2||1040||fixed||n||1/8000s||14.0||n||n||Canon 1D X|
|Canon 60D« »||optical||Y||3.0||1040||swivel||n||1/8000s||5.3||Y||n||Canon 60D|
|Canon 7D« »||optical||Y||3.0||920||fixed||n||1/8000s||8.0||Y||n||Canon 7D|
|Canon 5D Mark II« »||optical||Y||3.0||920||fixed||n||1/8000s||3.9||n||n||Canon 5D Mark II|
|Canon 1D Mark III« »||optical||Y||3.0||230||fixed||n||1/8000s||10.0||n||n||Canon 1D Mark III|
|Canon 1Ds Mark III« »||optical||Y||3.0||230||fixed||n||1/8000s||5.0||n||n||Canon 1Ds Mark III|
|Canon 1D Mark II« »||optical||Y||2.0||230||fixed||n||1/8000s||8.3||n||n||Canon 1D Mark II|
|Canon 1Ds Mark II« »||optical||Y||2.0||230||fixed||n||1/8000s||4.0||n||n||Canon 1Ds Mark II|
|Nikon D5« »||optical||Y||3.2||2359||fixed||Y||1/8000s||14.0||n||n||Nikon D5|
|Nikon D4« »||optical||Y||3.2||921||fixed||n||1/8000s||11.0||n||n||Nikon D4|
|Nikon D3S« »||optical||Y||3.0||921||fixed||n||1/8000s||11.0||n||n||Nikon D3S|
|Nikon D700« »||optical||Y||3.0||922||fixed||n||1/8000s||8.0||Y||n||Nikon D700|
|Nikon D3« »||optical||Y||3.0||922||fixed||n||1/8000s||11.0||n||n||Nikon D3|
The Nikon D3X 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 1D Mark IV writes its imaging data to Compact Flash or SDHC cards, while the D3X uses Compact Flash cards. Both cameras feature dual card slots, which can be very useful in case a memory card fails.
Connectivity comparison: Canon 1D Mark IV vs Nikon D3X
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 Canon EOS-1D Mark IV and Nikon D3X and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
|Canon 1D Mark IV»||Y||stereo||-||Y||-||mini||2.0||-||-||-||Canon 1D Mark IV|
|Nikon D3X«||Y||-||-||-||-||mini||2.0||-||-||-||Nikon D3X|
|Canon 1D X Mark II« »||Y||mono||mono||Y||Y||mini||3.0||-||-||-||Canon 1D X Mark II|
|Canon 1D X« »||Y||mono||-||Y||-||mini||2.0||-||-||-||Canon 1D X|
|Canon 60D« »||Y||mono||mono||Y||-||mini||2.0||-||-||-||Canon 60D|
|Canon 7D« »||Y||mono||-||Y||-||mini||2.0||-||-||-||Canon 7D|
|Canon 5D Mark II« »||Y||mono||mono||Y||-||mini||2.0||-||-||-||Canon 5D Mark II|
|Canon 1D Mark III« »||Y||-||-||-||-||-||2.0||-||-||-||Canon 1D Mark III|
|Canon 1Ds Mark III« »||Y||-||-||-||-||-||2.0||-||-||-||Canon 1Ds Mark III|
|Canon 1D Mark II« »||Y||-||-||-||-||-||1.1||-||-||-||Canon 1D Mark II|
|Canon 1Ds Mark II« »||Y||-||-||-||-||-||2.0||-||-||-||Canon 1Ds Mark II|
|Nikon D5« »||Y||stereo||mono||Y||Y||mini||3.0||-||-||-||Nikon D5|
|Nikon D4« »||Y||mono||mono||-||-||micro||2.0||-||-||-||Nikon D4|
|Nikon D3S« »||Y||stereo||-||-||-||mini||2.0||-||-||-||Nikon D3S|
|Nikon D700« »||Y||-||-||-||-||mini||2.0||-||-||-||Nikon D700|
|Nikon D3« »||Y||-||-||-||-||mini||2.0||-||-||-||Nikon D3|
Both cameras feature a PC Sync terminal to control professional strobe lights, which will be appreciated by studio photographers.
Both the 1D Mark IV and the D3X have been discontinued, but can regularly be found used on eBay. Neither of the two has a direct successor, so they represent the end of the respective camera lines from Canon and Nikon. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Canon and Nikon websites.
Review summary: Canon 1D Mark IV vs Nikon D3X
So what conclusions can be drawn? Which of the two cameras – the Canon 1D Mark IV or the Nikon D3X – has the upper hand? Is one clearly better than the other? The listing below highlights the relative strengths of the two models.
Reasons to prefer the Canon EOS-1D Mark IV:
- Broader imaging potential: Can record not only still images but also 1080/30p movies.
- Faster burst: Shoots at higher frequency (10 vs 5 flaps/sec) to capture the decisive moment.
- More affordable: Was introduced into a lower priced category (38 percent cheaper at launch).
- More modern: Is somewhat more recent (announced 10 months after the D3X).
Arguments in favor of the Nikon D3X:
- More detail: Has more megapixels (24.4 vs 16MP), which boosts linear resolution by 24%.
- Better image quality: Scores substantially higher (14 points) in the DXO overall evaluation.
- Richer colors: Generates noticeably more natural colors (1.9 bits more color depth).
- More dynamic range: Captures a broader range of light and dark details (1.7 EV of extra DR).
- Better low-light sensitivity: Can shoot in dim conditions (0.6 stops ISO advantage).
- Larger viewfinder image: Features a viewfinder with a higher magnification (0.70x vs 0.58x).
- Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
- Longer lasting: Gets more shots (4400 versus 1500) out of a single battery charge.
- More heavily discounted: Has been on the market for longer (launched in December 2008).
If the count of individual advantages (bullet points above) is taken as a guide, the D3X is the clear winner of the contest (9 : 4 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 wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports shooter. Hence, the decision which camera is best and worth buying is often a very personal one.
How about other alternatives? Do the specifications of the Canon 1D Mark IV and the Nikon D3X place the cameras among the top in their class? Find out in the latest Best DSLR Camera listing 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 1D Mark IV or the D3X. 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: Canon 1D Mark IV vs Nikon D3X
This is why expert reviews are important. The adjacent summary-table relays the overall verdicts of several of the most popular 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.
|Canon 1D Mark IV»||-||89/100||-||5/5||-||Oct 2009||4,999||-||Canon 1D Mark IV|
|Nikon D3X«||-||86/100||4/5||5/5||5/5||Dec 2008||7,999||-||Nikon D3X|
|Canon 1D X Mark II« »||-||89/100||4.5/5||5/5||4.5/5||Feb 2016||5,999||Canon 1D X Mark II|
|Canon 1D X« »||-||-||4.5/5||4.5/5||4.5/5||Oct 2011||6,799||-||Canon 1D X|
|Canon 60D« »||+||79/100||4/5||5/5||4.5/5||Aug 2010||1,399||-||Canon 60D|
|Canon 7D« »||+ +||84/100||4.5/5||5/5||4.5/5||Sep 2009||1,699||-||Canon 7D|
|Canon 5D Mark II« »||91/100||79/100||4/5||5/5||-||Sep 2008||3,499||-||Canon 5D Mark II|
|Canon 1D Mark III« »||-||-||-||o||-||Feb 2007||4,499||-||Canon 1D Mark III|
|Canon 1Ds Mark III« »||-||+ +||4.5/5||-||-||Aug 2007||7,999||-||Canon 1Ds Mark III|
|Canon 1D Mark II« »||-||+ +||-||o||-||Jan 2004||4,499||-||Canon 1D Mark II|
|Canon 1Ds Mark II« »||-||+ +||-||-||-||Sep 2004||7,999||-||Canon 1Ds Mark II|
|Nikon D5« »||-||89/100||4.5/5||5/5||5/5||Jan 2016||6,499||Nikon D5|
|Nikon D4« »||-||-||4.5/5||-||4.5/5||Jan 2012||5,999||-||Nikon D4|
|Nikon D3S« »||-||89/100||4.5/5||5/5||5/5||Oct 2009||5,199||-||Nikon D3S|
|Nikon D700« »||89/100||+ +||4.5/5||5/5||4.5/5||Jul 2008||2,999||-||Nikon D700|
|Nikon D3« »||-||+ +||5/5||o||4.5/5||Aug 2007||4,999||-||Nikon D3|
|Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (-) not available.|
The above review scores should be interpreted with care, though. The assessments were made in relation to similar cameras of the same technological generation. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and comparisons of ratings among very different cameras or across long time periods have little meaning. Also, please note that some of the review sites have changed their methodology and reporting over time.
Other camera comparisons
Did this review help to inform your camera decision process? In case you would like to check on the differences and similarities of other camera models, just make your choice using the following search menu. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.
- Canon 1D Mark IV vs Leica D-LUX 7
- Canon 1D Mark IV vs Nikon D200
- Canon 1D Mark IV vs Nikon D4S
- Canon 1D Mark IV vs Nikon D500
- Canon 1D Mark IV vs Olympus PEN-F
- Canon 1D Mark IV vs Panasonic GH5
- Canon 1D Mark IV vs Panasonic GX9
- Canon 1D Mark IV vs Panasonic S1R
- Canon 1D Mark IV vs Sony A900
- Canon 1Ds Mark III vs Nikon D3X
- Fujifilm X-H1 vs Nikon D3X
- Nikon D3X vs Nikon D750
Specifications: Canon 1D Mark IV vs Nikon D3X
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||Canon 1D Mark IV||Nikon D3X|
|Camera Type||Digital single lens reflex||Digital single lens reflex|
|Camera Lens||Canon EF mount lenses||Nikon F mount lenses|
|Launch Date||October 2009||December 2008|
|Launch Price||USD 4999||USD 7999|
|Sensor Specs||Canon 1D Mark IV||Nikon D3X|
|Sensor Format||APS-H Sensor||Full Frame Sensor|
|Sensor Size||27.9 x 18.6 mm||35.9 x 24.0 mm|
|Sensor Area||518.94 mm2||861.6 mm2|
|Sensor Diagonal||33.5 mm||43.2 mm|
|Sensor Resolution||16 Megapixels||24.4 Megapixels|
|Image Resolution||4896 x 3264 pixels||6048 x 4032 pixels|
|Pixel Pitch||5.70 μm||5.94 μm|
|Pixel Density||3.08 MP/cm2||2.83 MP/cm2|
|Moiré control||Anti-Alias filter||Anti-Alias filter|
|Movie Capability||1080/30p Video||no Video|
|ISO Setting||100-12800 ISO||100-1600 ISO|
|ISO Boost||50-102400 ISO||50-6400 ISO|
|Image Processor||DIGIC IV||EXPEED|
|DXO Sensor Quality (score)||74||88|
|DXO Color Depth (bits)||22.8||24.7|
|DXO Dynamic Range (EV)||12.0||13.7|
|DXO Low Light (ISO)||1320||1992|
|Screen Specs||Canon 1D Mark IV||Nikon D3X|
|Viewfinder Type||Optical viewfinder||Optical viewfinder|
|Viewfinder Field of View||100%||100%|
|Top-Level Screen||Control Panel||Control Panel|
|LCD Framing||Live View||Live View|
|Rear LCD Size||3.0 inch||3.0 inch|
|LCD Resolution||920k dots||922k dots|
|LCD Attachment||Fixed screen||Fixed screen|
|Shooting Specs||Canon 1D Mark IV||Nikon D3X|
|Autofocus System||Phase-detect AF||Phase-detect AF|
|Continuous Shooting||10 shutter flaps/s||5 shutter flaps/s|
|Shutter Life Expectancy||300 000 actuations||300 000 actuations|
|Time-Lapse Photography||no Intervalometer||Intervalometer built-in|
|Fill Flash||no On-Board Flash||no On-Board Flash|
|Storage Medium||CF or SDHC cards||CF cards|
|Second Storage Option||Dual card slots||Dual card slots|
|Connectivity Specs||Canon 1D Mark IV||Nikon D3X|
|Studio Flash||PC Sync socket||PC Sync socket|
|USB Connector||USB 2.0||USB 2.0|
|HDMI Port||mini HDMI||mini HDMI|
|Microphone Port||External MIC port||no MIC socket|
|Wifi Support||no Wifi||no Wifi|
|Body Specs||Canon 1D Mark IV||Nikon D3X|
|Environmental Sealing||Weathersealed body||Weathersealed body|
|Battery Type||LP-E4 power pack||EN-EL4a power pack|
|Battery Life (CIPA)||1500 shots per charge||4400 shots per charge|
156 x 157 x 80 mm
(6.1 x 6.2 x 3.1 in)
160 x 157 x 88 mm
(6.3 x 6.2 x 3.5 in)
|Camera Weight||1230 g (43.4 oz)||1260 g (44.4 oz)|
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