Canon 1Ds Mark III vs Nikon D2X

The Canon EOS-1Ds Mark III and the Nikon D2X are two professional cameras that were officially introduced, respectively, in August 2007 and September 2004. Both are DSLR (Digital Single Lens Reflex) cameras that are based on a full frame (1Ds Mark III) and an APS-C (D2X) sensor. The Canon has a resolution of 21 megapixels, whereas the Nikon provides 12.2 MP.

Below is an overview of the main specs of the two cameras as a starting point for the comparison.

Headline Specifications

Canon 1Ds Mark III		Nikon D2X
Digital single lens reflex		Digital single lens reflex
Canon EF mount lenses		Nikon F mount lenses
21 MP – Full Frame sensor		12.2 MP – APS-C sensor
no Video		no Video
ISO 100-1,600 (50 - 3,200)		ISO 100-800 (100 - 3,200)
Optical viewfinder		Optical viewfinder
3.0" LCD – 230k dots		2.5" LCD – 235k dots
Fixed screen (not touch-sensitive)		Fixed screen (not touch-sensitive)
5 shutter flaps per second		5 shutter flaps per second
Weathersealed body		Weathersealed body
1800 shots per battery charge		3800 shots per battery charge
150 x 160 x 80 mm, 1385 g		158 x 150 x 86 mm, 1252 g

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Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS-1Ds Mark III and the Nikon D2X? 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 Canon 1Ds Mark III and the Nikon D2X 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 Nikon D2X is somewhat smaller (1 percent) than the Canon 1Ds Mark III. Moreover, the D2X is markedly lighter (10 percent) than the 1Ds Mark III. 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 (1Ds Mark III) and the Nikon Lens Catalog (D2X).

Concerning battery life, the 1Ds Mark III gets 1800 shots out of its Canon LP-E4 battery, while the D2X can take 3800 images on a single charge of its Nikon 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 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.

Body Specifications

		Camera Model	Camera Width	Camera Height	Camera Depth	Camera Weight	Battery Life	Weather Sealing	Camera Launch	Launch Price	Street Price
1.		Canon 1Ds Mark III	150 mm	160 mm	80 mm	1385 g	1800	Y	Aug 2007	US$ 7 999	ebay.com
2.		Nikon D2X	158 mm	150 mm	86 mm	1252 g	3800	Y	Sep 2004	US$ 4 999	ebay.com
3.		Canon 1D Mark III	156 mm	157 mm	80 mm	1155 g	2200	Y	Feb 2007	US$ 4 499	ebay.com
4.		Canon 1Ds	156 mm	158 mm	80 mm	1265 g	600	Y	Sep 2002	US$ 8 999	ebay.com
5.		Canon 1Ds Mark II	156 mm	158 mm	80 mm	1215 g	1200	Y	Sep 2004	US$ 7 999	ebay.com
6.		Canon 1D C	158 mm	164 mm	83 mm	1545 g	1120	Y	Apr 2012	US$ 14 999	ebay.com
7.		Canon 1D X	158 mm	168 mm	83 mm	1551 g	1120	Y	Oct 2011	US$ 6 799	ebay.com
8.		Canon 1D X Mark II	158 mm	168 mm	83 mm	1530 g	1210	Y	Feb 2016	US$ 5 999	ebay.com
9.		Canon 1D X Mark III	158 mm	168 mm	83 mm	1440 g	2850	Y	Jan 2020	US$ 6 499	amazon.com
10.		Canon 5D Mark II	152 mm	114 mm	75 mm	850 g	850	Y	Sep 2008	US$ 3 499	ebay.com
11.		Canon 5D Mark III	152 mm	116 mm	76 mm	950 g	950	Y	Mar 2012	US$ 3 499	ebay.com
12.		Nikon D1	157 mm	153 mm	85 mm	1100 g	..	Y	Jun 1999	US$ 5 499	ebay.com
13.		Nikon D1X	157 mm	153 mm	85 mm	1100 g	1200	Y	Feb 2001	US$ 5 999	ebay.com
14.		Nikon D2H	158 mm	150 mm	86 mm	1070 g	2900	Y	Jul 2003	US$ 3 499	ebay.com
15.		Nikon D2Xs	158 mm	150 mm	86 mm	1252 g	3800	Y	Jun 2006	US$ 4 699	ebay.com
16.		Nikon D3X	160 mm	157 mm	88 mm	1260 g	4400	Y	Dec 2008	US$ 7 999	ebay.com
17.		Nikon D200	147 mm	113 mm	74 mm	920 g	400	Y	Nov 2005	US$ 1 699	ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
Convert to Imperial

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 D2X was launched at a markedly lower price (by 38 percent) than the 1Ds Mark III, 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. 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. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its 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 Canon 1Ds Mark III features a full frame sensor and the Nikon D2X an APS-C sensor. The sensor area in the D2X is 57 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.0 and 1.5. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

With 21MP, the 1Ds Mark III offers a higher resolution than the D2X (12.2MP), but the 1Ds Mark III nevertheless has larger individual pixels (pixel pitch of 6.41μm versus 5.52μm for the D2X) due to its larger sensor. Moreover, the 1Ds Mark III is a much more recent model (by 2 years and 11 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 pixels.

The resolution advantage of the Canon 1Ds Mark III implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the 1Ds Mark III for good quality output (200 dots per inch) amounts to 28.1 x 18.7 inches or 71.3 x 47.5 cm, for very good quality (250 dpi) 22.5 x 15 inches or 57.1 x 38 cm, and for excellent quality (300 dpi) 18.7 x 12.5 inches or 47.5 x 31.7 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 Canon EOS-1Ds Mark III has a native sensitivity range from ISO 100 to ISO 1600, which can be extended to ISO 50-3200. The corresponding ISO settings for the Nikon D2X are ISO 100 to ISO 800, with the possibility to increase the ISO range to 100-3200.

Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

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 review, the 1Ds Mark III provides substantially higher image quality than the D2X, with an overall score that is 21 points higher. This advantage is based on 1.9 bits higher color depth, 1.1 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.

Sensor Characteristics

		Camera Model	Sensor Class	Resolution (MP)	Horiz. Pixels	Vert. Pixels	Video Format	DXO Portrait	DXO Landscape	DXO Sports	DXO Overall
1.		Canon 1Ds Mark III	Full Frame	21.0	5616	3744	none	24.0	12.0	1663	80
2.		Nikon D2X	APS-C	12.2	4288	2848	none	22.1	10.9	476	59
3.		Canon 1D Mark III	APS-H	10.1	3888	2592	none	22.7	11.7	1078	71
4.		Canon 1Ds	Full Frame	11.0	4064	2704	none	21.8	11.0	954	63
5.		Canon 1Ds Mark II	Full Frame	16.6	4992	3328	none	23.3	11.3	1480	74
6.		Canon 1D C	Full Frame	17.9	5184	3456	4K/24p	24.3	13.0	2155	85
7.		Canon 1D X	Full Frame	17.9	5184	3456	1080/30p	23.8	11.8	2786	82
8.		Canon 1D X Mark II	Full Frame	20.0	5472	3648	4K/60p	24.1	13.5	3207	88
9.		Canon 1D X Mark III	Full Frame	20.0	5472	3648	4K/60p	24.2	14.5	3248	91
10.		Canon 5D Mark II	Full Frame	21.0	5616	3744	1080/30p	23.7	11.9	1815	79
11.		Canon 5D Mark III	Full Frame	22.1	5760	3840	1080/30p	24.0	11.7	2293	81
12.		Nikon D1	APS-C	2.6	2000	1312	none	..	..	..	..
13.		Nikon D1X	APS-C	5.9	3008	1960	none	..	..	..	..
14.		Nikon D2H	APS-C	4.0	2464	1632	none	18.9	10.0	352	40
15.		Nikon D2Xs	APS-C	12.2	4288	2848	none	22.2	10.9	489	59
16.		Nikon D3X	Full Frame	24.4	6048	4032	none	24.7	13.7	1992	88
17.		Nikon D200	APS-C	10.0	3872	2592	none	22.3	11.5	583	64
Note: DXO values in italics represent estimates based on sensor size and age.

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. The 1Ds Mark III and the D2X 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 1Ds Mark III has a higher magnification than the one of the D2X (0.76x 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 Canon 1Ds Mark III and Nikon D2X in connection with corresponding information for a sample of similar cameras.

Core Features

		Camera Model	Viewfinder (Type or 000 dots)	Control Panel (yes/no)	LCD Specifications (inch/000 dots)	LCD Attach- ment	Touch Screen (yes/no)	Max Shutter Speed *	Max Shutter Flaps *	Built-in Flash (yes/no)	Built-in Image Stab
1.		Canon 1Ds Mark III	optical	Y	3.0 / 230	fixed	n	1/8000s	5.0/s	n	n
2.		Nikon D2X	optical	Y	2.5 / 235	fixed	n	1/8000s	5.0/s	n	n
3.		Canon 1D Mark III	optical	Y	3.0 / 230	fixed	n	1/8000s	10.0/s	n	n
4.		Canon 1Ds	optical	Y	2.0 / 120	fixed	n	1/8000s	3.0/s	n	n
5.		Canon 1Ds Mark II	optical	Y	2.0 / 230	fixed	n	1/8000s	4.0/s	n	n
6.		Canon 1D C	optical	Y	3.2 / 1040	fixed	n	1/8000s	14.0/s	n	n
7.		Canon 1D X	optical	Y	3.2 / 1040	fixed	n	1/8000s	14.0/s	n	n
8.		Canon 1D X Mark II	optical	Y	3.2 / 1620	fixed	Y	1/8000s	16.0/s	n	n
9.		Canon 1D X Mark III	optical	Y	3.2 / 2100	fixed	Y	1/8000s	20.0/s	n	n
10.		Canon 5D Mark II	optical	Y	3.0 / 920	fixed	n	1/8000s	3.9/s	n	n
11.		Canon 5D Mark III	optical	Y	3.2 / 1040	fixed	n	1/8000s	6.0/s	n	n
12.		Nikon D1	optical	Y	2.0 / 120	fixed	n	1/16000s	4.5/s	n	n
13.		Nikon D1X	optical	Y	2.0 / 120	fixed	n	1/16000s	3.0/s	n	n
14.		Nikon D2H	optical	Y	2.5 / 211	fixed	n	1/8000s	8.0/s	n	n
15.		Nikon D2Xs	optical	Y	2.5 / 230	fixed	n	1/8000s	5.0/s	n	n
16.		Nikon D3X	optical	Y	3.0 / 922	fixed	n	1/8000s	5.0/s	n	n
17.		Nikon D200	optical	Y	2.5 / 230	fixed	n	1/8000s	5.0/s	Y	n
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

The 1Ds Mark III writes its imaging data to Compact Flash or SDHC cards, while the D2X uses Compact Flash cards. The 1Ds Mark III features dual card slots, which can be very useful in case a memory card fails. In contrast, the D2X only has one slot.

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 Canon EOS-1Ds Mark III and Nikon D2X and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

Input-Output Connections

		Camera Model	Hotshoe Port	Internal Mic / Speaker	Microphone Port	Headphone Port	HDMI Port	USB Port	WiFi Support	NFC Support	Bluetooth Support
1.		Canon 1Ds Mark III	Y	mono / -	-	-	-	2.0	-	-	-
2.		Nikon D2X	Y	- / -	-	-	-	2.0	-	-	-
3.		Canon 1D Mark III	Y	- / -	-	-	-	2.0	-	-	-
4.		Canon 1Ds	Y	- / -	-	-	-	FW	-	-	-
5.		Canon 1Ds Mark II	Y	- / -	-	-	-	2.0	-	-	-
6.		Canon 1D C	Y	mono / mono	Y	Y	mini	2.0	-	-	-
7.		Canon 1D X	Y	mono / -	Y	-	mini	2.0	-	-	-
8.		Canon 1D X Mark II	Y	mono / mono	Y	Y	mini	3.0	-	-	-
9.		Canon 1D X Mark III	Y	mono / mono	Y	Y	mini	3.1	Y	-	Y
10.		Canon 5D Mark II	Y	mono / mono	Y	-	mini	2.0	-	-	-
11.		Canon 5D Mark III	Y	mono / mono	Y	Y	mini	2.0	-	-	-
12.		Nikon D1	Y	- / -	-	-	-	FW	-	-	-
13.		Nikon D1X	Y	- / -	-	-	-	FW	-	-	-
14.		Nikon D2H	Y	- / -	-	-	-	2.0	-	-	-
15.		Nikon D2Xs	Y	- / -	-	-	-	2.0	-	-	-
16.		Nikon D3X	Y	- / -	-	-	mini	2.0	-	-	-
17.		Nikon D200	Y	- / -	-	-	-	2.0	-	-	-

Both cameras feature a PC Sync terminal to control professional strobe lights, which will be appreciated by studio photographers.

Both the 1Ds Mark III and the D2X have been discontinued, but can regularly be found used on ebay. The D2X was replaced by the Nikon D2Xs, while the 1Ds Mark III was followed by the Canon 1DX. Further information on the features and operation of the 1Ds Mark III and D2X can be found, respectively, in the Canon 1Ds Mark III Manual (free pdf) or the online Nikon D2X Manual.

Review summary

So how do things add up? Is the Canon 1Ds Mark III better than the Nikon D2X or vice versa? A synthesis of the relative strong points of each of the models is listed below.

Reasons to prefer the Canon EOS-1Ds Mark III:

• More detail: Offers more megapixels (21 vs 12.2MP) with a 31% higher linear resolution.
• Better image quality: Scores substantially higher (21 points) in the DXO overall assessment.
• Richer colors: Generates images with noticeably better colors (1.9 bits more color depth).
• More dynamic range: Captures a larger spectrum of light and dark details (1.1 EV of extra DR).
• Better low-light sensitivity: Requires less light for good images (1.8 stops ISO advantage).
• Larger viewfinder image: Features a viewfinder with a higher magnification (0.76x vs 0.57x).
• Larger screen: Has a bigger rear LCD (3.0" vs 2.5") for image review and settings control.
• Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
• More modern: Reflects 2 years and 11 months of technical progress since the D2X launch.

Advantages of the Nikon D2X:

• Longer lasting: Gets more shots (3800 versus 1800) out of a single battery charge.
• More affordable: Was introduced into a lower priced category (38 percent cheaper at launch).
• More heavily discounted: Has been around for much longer (launched in September 2004).

If the number of relative strengths (bullet points above) is taken as a guide, the 1Ds Mark III is the clear winner of the match-up (9 : 3 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 Canon 1Ds Mark III and the Nikon D2X 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 1Ds Mark III or the D2X. 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.

Expert Camera Reviews

		Camera   Model	AP   score	CL   score	DCW   score	DPR   score	EPZ   score	PB   score	Camera Launch	Launch Price	Street Price
1.		Canon 1Ds Mark III	..	..	..	+ +	4.5/5	..	Aug 2007	US$ 7 999	ebay.com
2.		Nikon D2X	..	..	..	+ +	..	..	Sep 2004	US$ 4 999	ebay.com
3.		Canon 1D Mark III	..	..	..	..	..	..	Feb 2007	US$ 4 499	ebay.com
4.		Canon 1Ds	..	..	..	+ +	..	..	Sep 2002	US$ 8 999	ebay.com
5.		Canon 1Ds Mark II	..	..	..	+ +	..	..	Sep 2004	US$ 7 999	ebay.com
6.		Canon 1D C	..	..	..	..	..	..	Apr 2012	US$ 14 999	ebay.com
7.		Canon 1D X	5/5	..	..	..	4.5/5	4.5/5	Oct 2011	US$ 6 799	ebay.com
8.		Canon 1D X Mark II	..	..	4.5/5	89/100	4.5/5	4.5/5	Feb 2016	US$ 5 999	ebay.com
9.		Canon 1D X Mark III	..	+ +	5/5	..	4.5/5	4/5	Jan 2020	US$ 6 499	amazon.com
10.		Canon 5D Mark II	4/5	91/100	..	79/100	4/5	..	Sep 2008	US$ 3 499	ebay.com
11.		Canon 5D Mark III	..	+ +	..	82/100	4.5/5	4.5/5	Mar 2012	US$ 3 499	ebay.com
12.		Nikon D1	..	..	..	+ +	..	..	Jun 1999	US$ 5 499	ebay.com
13.		Nikon D1X	..	..	..	+ +	..	..	Feb 2001	US$ 5 999	ebay.com
14.		Nikon D2H	..	..	..	+ +	..	..	Jul 2003	US$ 3 499	ebay.com
15.		Nikon D2Xs	..	..	..	..	..	..	Jun 2006	US$ 4 699	ebay.com
16.		Nikon D3X	..	..	..	86/100	4/5	5/5	Dec 2008	US$ 7 999	ebay.com
17.		Nikon D200	..	+ +	..	+ +	o	..	Nov 2005	US$ 1 699	ebay.com
Note: (+ +) 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. 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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