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Canon 1Ds Mark III versus Sony A900

The Canon EOS-1Ds Mark III and the Sony Alpha A900 are two professional cameras that were officially introduced, respectively, in August 2007 and September 2008. Both are DSLR (Digital Single Lens Reflex) cameras that are equipped with a full frame sensor. The Canon has a resolution of 21 megapixel, whereas the Sony provides 24.4 MP. Read on to find out how these two cameras compare with respect to their size, their sensors, their features, and their reception by expert reviewers.

Body comparison: Canon 1Ds Mark III vs Sony A900

An illustration of the physical size and weight of the Canon 1Ds Mark III and the Sony A900 is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All width, height and depth measures are rounded to the nearest millimeter. You can also use the toggle button to switch to a percentage comparison if you prefer that the measures are being expressed in relative terms (in this case, the camera on the left – the 1Ds Mark III – represents 100 percent across all the size and weight measures).

Compare Canon 1Ds Mark III vs Sony A900
Compare 1Ds Mark III versus A900 top
Compare 1Ds Mark III and A900 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A900 is notably smaller (24 percent) than the Canon 1Ds Mark III. Moreover, the A900 is substantially lighter (35 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. Hence, you might want to study the specifications of available lenses in order to get the full picture of the size and weight of the two camera systems.

Concerning battery life, the 1Ds Mark III gets 1800 shots out of its LP-E4 battery, while the A900 can take 880 images on a single charge of its NP-FM500H power pack. As can be seen in the images above, the 1Ds Mark III has a battery grip build in. This facilitates image-taking in portrait orientation and gives it additional battery power. In order to provide similar functionality for the A900, Sony provides the VG-C90AM vertical grip as an optional accessory (see here on eBay).

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.

Camera Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(yes/no)
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
Canon 1Ds Mark III» 150 mm 160 mm 80 mm 1385 g 1800 Y Aug 2007 7,999- i Canon 1Ds Mark III
Sony A900« 156 mm 117 mm 82 mm 895 g 880 Y Sep 2008 2,999- i Sony A900
Canon 1D X Mark II« » 158 mm 168 mm 83 mm 1530 g 1210 Y Feb 2016 5,999 i i Canon 1D X Mark II
Canon 1D C« » 158 mm 164 mm 83 mm 1545 g 1120 Y Apr 2012 14,999- i Canon 1D C
Canon 5D Mark III« » 152 mm 116 mm 76 mm 950 g 950 Y Mar 2012 3,499- i Canon 5D Mark III
Canon 6D« » 145 mm 111 mm 71 mm 770 g 1090 Y Sep 2012 2,099- i Canon 6D
Canon 1D X« » 158 mm 168 mm 83 mm 1551 g 1120 Y Oct 2011 6,799- i Canon 1D X
Canon 1D Mark IV« » 156 mm 157 mm 80 mm 1230 g 1500 Y Oct 2009 4,999- i Canon 1D Mark IV
Canon 5D Mark II« » 152 mm 114 mm 75 mm 850 g 850 Y Sep 2008 3,499- i Canon 5D Mark II
Canon 1D Mark III« » 156 mm 156.6 mm 80 mm 1155 g 2200 Y Feb 2007 4,499- i Canon 1D Mark III
Canon 1Ds Mark II« » 156 mm 157.6 mm 80 mm 1215 g 1200 Y Sep 2004 7,999- i Canon 1Ds Mark II
Nikon D3X« » 160 mm 157 mm 88 mm 1260 g 4400 Y Dec 2008 7,999- i Nikon D3X
Sony A99 II« » 143 mm 104 mm 76 mm 849 g 490 Y Sep 2016 3,199 i i Sony A99 II
Sony A7 II« » 127 mm 96 mm 60 mm 599 g 350 Y Nov 2014 1,999- i Sony A7 II
Sony A99« » 147 mm 111 mm 78 mm 812 g 500 Y Sep 2012 2,799- i Sony A99
Sony A850« » 156 mm 117 mm 82 mm 895 g 880 Y Aug 2009 1,999- i Sony A850

The price is, of course, an important factor in any camera decision. 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 A900 was launched at a markedly lower price (by 63 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

 

Sensor comparison: Canon 1Ds Mark III vs Sony A900

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 generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have richer color-depth than smaller pixels 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 tend to be associated with larger, more expensive camera bodies and lenses.

Both cameras under consideration feature a full frame sensor, but their sensors differ slightly in size. They nevertheless have the same format factor of 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Canon 1Ds Mark III and Sony A900 sensor measures

Despite having a slightly smaller sensor, the A900 offers a higher resolution of 24.4 megapixel, compared with 21 MP of the 1Ds Mark III. This megapixel advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 5.94μm versus 6.41μm for the 1Ds Mark III). However, it should be noted that the A900 is a somewhat more recent model (by 1 year) than the 1Ds Mark III, and its sensor might have benefitted from technological advances during this time that partly offset its pixel-size disadvantage.

1Ds Mark III versus A900 MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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. The Overall DXO ratings for the two cameras under consideration are close, suggesting that they provide similar image quality. 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
Camera
Model
Canon 1Ds Mark III» Full Frame 21.0 5616 3744-24.012.0166380Canon 1Ds Mark III
Sony A900« Full Frame 24.4 6048 4032-23.712.3143179Sony A900
Canon 1D X Mark II« » Full Frame 20.0 5472 36484K/60p24.113.5320788Canon 1D X Mark II
Canon 1D C« » Full Frame 17.9 5184 34564K/24p----Canon 1D C
Canon 5D Mark III« » Full Frame 22.1 5760 38401080/30p24.011.7229381Canon 5D Mark III
Canon 6D« » Full Frame 20.0 5472 36481080/30p23.812.1234082Canon 6D
Canon 1D X« » Full Frame 17.9 5184 34561080/30p23.811.8278682Canon 1D X
Canon 1D Mark IV« » APS-H 16.0 4896 32641080/30p22.812.0132074Canon 1D Mark IV
Canon 5D Mark II« » Full Frame 21.0 5616 37441080/30p23.711.9181579Canon 5D Mark II
Canon 1D Mark III« » APS-H 10.1 3888 2592-22.711.7107871Canon 1D Mark III
Canon 1Ds Mark II« » Full Frame 16.6 4992 3328-23.311.3148074Canon 1Ds Mark II
Nikon D3X« » Full Frame 24.4 6048 4032-24.713.7199288Nikon D3X
Sony A99 II« » Full Frame 42.2 7952 53044K/30p25.413.4231792Sony A99 II
Sony A7 II« » Full Frame 24.0 6000 40001080/60p24.913.6244990Sony A7 II
Sony A99« » Full Frame 24.0 6000 40001080/60p25.014.0155589Sony A99
Sony A850« » Full Frame 24.4 6048 4032-23.812.2141579Sony A850
The 1Ds Mark III offers Live View, so that it can project the live image that the sensor receives onto the rear screen for framing. The A900 lacks this capability. Both cameras are still-image focused and cannot record videos.
 

Feature comparison: Canon 1Ds Mark III vs Sony A900

Apart from body and sensor, cameras can and do differ across a range of features. The 1Ds Mark III and the A900 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 following table reports on some other key feature differences and similarities of the Canon 1Ds Mark III, the Sony A900, and comparable cameras. If you need more detail on the specs, you can find comprehensive listings, for example, in the dpreview camera hub.

Core Features
  Camera
Model
Viewfinder
(Type or
'000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
('000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Shutter
speed
(1/sec)
Shutter
flaps
(1/sec)
Build-in
Flash
(yes/no)
Build-in
Image
Stab
Camera
Model
Canon 1Ds Mark III»optical Y 3.0 230 fixed n 8000 5.0 n n Canon 1Ds Mark III
Sony A900«optical Y 3.0 922 fixed n 8000 5.0 n Y Sony A900
Canon 1D X Mark II« »optical Y 3.2 1620 fixed Y 8000 16.0 n n Canon 1D X Mark II
Canon 1D C« »optical Y 3.2 1040 fixed n 8000 14.0 n n Canon 1D C
Canon 5D Mark III« »optical Y 3.2 1040 fixed n 8000 6.0 n n Canon 5D Mark III
Canon 6D« »optical Y 3.0 1040 fixed n 4000 4.5 n n Canon 6D
Canon 1D X« »optical Y 3.2 1040 fixed n 8000 14.0 n n Canon 1D X
Canon 1D Mark IV« »optical Y 3.0 920 fixed n 8000 10.0 n n Canon 1D Mark IV
Canon 5D Mark II« »optical Y 3.0 920 fixed n 8000 3.9 n n Canon 5D Mark II
Canon 1D Mark III« »optical Y 3.0 230 fixed n 8000 10.0 n n Canon 1D Mark III
Canon 1Ds Mark II« »optical Y 2.0 230 fixed n 8000 4.0 n n Canon 1Ds Mark II
Nikon D3X« »optical Y 3.0 922 fixed n 8000 5.0 n n Nikon D3X
Sony A99 II« »2400 Y 3.0 1229 full-flex n 8000 12.0 n Y Sony A99 II
Sony A7 II« »2400 n 3.0 1230 tilting n 8000 5.0 n Y Sony A7 II
Sony A99« »2359 Y 3.0 1229 full-flex n 8000 6.0 n Y Sony A99
Sony A850« »optical Y 3.0 922 fixed n 8000 3.0 n Y Sony A850

One feature that differentiates the A900 and the 1Ds Mark III is in-body image stabilization (IBIS). The A900 reduces the risk of handshake-induced blur with all attached lenses, while the 1Ds Mark III has to rely on optical image stabilization in OIS-equipped lenses to achieve the same effect.

The 1Ds Mark III writes its imaging data to Compact Flash cards, while the A900 uses Compact Flash or Memory Stick PRO Duo cards. Both cameras feature dual card slots, which can be very useful in case a memory card fails.

Input-Output Connections
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Type
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
Canon 1Ds Mark III»Y-----2.0---Canon 1Ds Mark III
Sony A900«Y----mini2.0---Sony A900
Canon 1D X Mark II« »YmonomonoYYmini3.0---Canon 1D X Mark II
Canon 1D C« »YmonomonoYYmini2.0---Canon 1D C
Canon 5D Mark III« »YmonomonoYYmini2.0---Canon 5D Mark III
Canon 6D« »YmonomonoY-mini2.0Y--Canon 6D
Canon 1D X« »Ymono-Y-mini2.0---Canon 1D X
Canon 1D Mark IV« »Ystereo-Y-mini2.0---Canon 1D Mark IV
Canon 5D Mark II« »YmonomonoY-mini2.0---Canon 5D Mark II
Canon 1D Mark III« »Y-----2.0---Canon 1D Mark III
Canon 1Ds Mark II« »Y-----2.0---Canon 1Ds Mark II
Nikon D3X« »Y----mini2.0---Nikon D3X
Sony A99 II« »YstereomonoYYmicro2.0YYYSony A99 II
Sony A7 II« »YstereomonoYYmicro2.0YY-Sony A7 II
Sony A99« »YstereomonoYYmini2.0---Sony A99
Sony A850« »Y----mini2.0---Sony A850

Both the 1Ds Mark III and the A900 have been discontinued, but can regularly be found used on eBay. The 1Ds Mark III was replaced by the Canon 1DX, while the A900 was followed by the Sony A99.

Review summary: Canon 1Ds Mark III vs Sony A900

So what conclusions can be drawn? Is there a clear favorite between the Canon 1Ds Mark III and the Sony A900? A synthesis of the relative strong points of each of the models is listed below.

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

  • More portrait friendly: Features an integrated vertical grip for easier portrait shooting.
  • Longer lasting: Can take more shots (1800 versus 880) on a single battery charge.
  • More heavily discounted: Has been on the market for longer (launched in August 2007).

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Arguments in favor of the Sony Alpha A900:

  • More detail: Has more megapixels (24.4 vs 21MP), which boosts linear resolution by 8%.
  • More detailed LCD: Has a higher resolution rear screen (922k vs 230k dots).
  • More compact: Is smaller (156x117mm vs 150x160mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 490g or 35 percent) and is thus easier to take along.
  • Sharper images: Has stabilization technology build-in to reduce the impact of hand-shake.
  • More affordable: Was introduced into a lower priced category (63 percent cheaper at launch).
  • More modern: Was introduced somewhat (1 year) more recently.

If the count of individual advantages (bullet points above) is taken as a guide, the A900 is the clear winner of the contest (7 : 3 points). However, the pertinence of the various camera strengths will differ across photographers, so that you might want to weigh individual camera traits according to their importance for your own imaging needs before making a camera decision.

1Ds Mark III 03:07 A900

In any case, while the specs-based evaluation of cameras is instructive in revealing their potential as photographic tools, it remains incomplete and does no justice, for example, to the way the 1Ds Mark III or the A900 handle or perform in practice. 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 where reviews by experts come in. The following table reports the overall rankings of the cameras as published by some of the major camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, photographyblog). You can find the full text of the reviews by clicking on the site logo in the table header.

Review Scores
  Camera
Model
cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
Canon 1Ds Mark III»-HiRec4.5/5-- Aug 2007 7,999- i Canon 1Ds Mark III
Sony A900«HiRecHiRec4.5/54/55/5 Sep 2008 2,999- i Sony A900
Canon 1D X Mark II« »-89/1004.5/55/54.5/5 Feb 2016 5,999 i i Canon 1D X Mark II
Canon 1D C« »----- Apr 2012 14,999- i Canon 1D C
Canon 5D Mark III« »HiRec82/1004.5/55/54.5/5 Mar 2012 3,499- i Canon 5D Mark III
Canon 6D« »HiRec83/1004.5/54.5/54.5/5 Sep 2012 2,099- i Canon 6D
Canon 1D X« »--4.5/54.5/54.5/5 Oct 2011 6,799- i Canon 1D X
Canon 1D Mark IV« »-89/100-5/5- Oct 2009 4,999- i Canon 1D Mark IV
Canon 5D Mark II« »91/10079/1004/55/5- Sep 2008 3,499- i Canon 5D Mark II
Canon 1D Mark III« »---rev- Feb 2007 4,499- i Canon 1D Mark III
Canon 1Ds Mark II« »-HiRec--- Sep 2004 7,999- i Canon 1Ds Mark II
Nikon D3X« »-86/1004/55/55/5 Dec 2008 7,999- i Nikon D3X
Sony A99 II« »-85/1004.5/54.5/54.5/5 Sep 2016 3,199 i i Sony A99 II
Sony A7 II« »Rec82/1004.5/55/55/5 Nov 2014 1,999- i Sony A7 II
Sony A99« »-84/1004.5/5rev4.5/5 Sep 2012 2,799- i Sony A99
Sony A850« »-75/100-4/54.5/5 Aug 2009 1,999- i Sony A850

The review scores listed above should be treated with care, though. The ratings are only valid when referring to cameras in the same category and of the same age. Hence, a score should always be seen in the context of the camera's market launch date and its price, and comparisons of ratings among very different cameras or across long time periods have little meaning. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

 

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. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting. If you cannot find the camera you are interested in, please send me an email, and I will try to locate and add the respective data to the application.

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