Canon 1Ds Mark III vs 400D
The Canon EOS-1Ds Mark III and the Canon EOS 400D (labelled Canon XTi in some countries) are two digital cameras that were officially introduced, respectively, in August 2007 and August 2006. Both are DSLR (Digital Single Lens Reflex) cameras that are based on a full frame (1Ds Mark III) and an APS-C (400D) sensor. The 1Ds Mark III has a resolution of 21 megapixels, whereas the 400D provides 10.1 MP.
Below is an overview of the main specs of the two cameras as a starting point for the comparison.
|Canon 1Ds Mark III||Canon 400D|
|Digital single lens reflex||Digital single lens reflex|
|Canon EF mount lenses||Canon EF mount lenses|
|21 MP, Full Frame Sensor||10.1 MP, APS-C Sensor|
|no Video||no Video|
|ISO 100-1600 (50-3200)||ISO 100-1600|
|Optical viewfinder||Optical viewfinder|
|3.0" LCD, 230k dots||2.5" LCD, 230k dots|
|Fixed screen (not touch-sensitive)||Fixed screen (not touch-sensitive)|
|5 shutter flaps per second||3 shutter flaps per second|
|Weathersealed body||Not weather sealed|
|1800 shots per battery charge||370 shots per battery charge|
|150 x 160 x 80 mm, 1385 g||127 x 84 x 65 mm, 556 g|
Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS-1Ds Mark III and the Canon EOS 400D? 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 Canon 1Ds Mark III and the Canon 400D 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 measures 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 Canon 400D is considerably smaller (56 percent) than the Canon 1Ds Mark III. Moreover, the 400D is substantially lighter (60 percent) than the 1Ds Mark III. It is worth mentioning in this context that the 1Ds Mark III is splash and dust resistant, while the 400D does not feature any corresponding weather-sealing.
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 (as in the 1Ds Mark III) will tend to go along with bigger and heavier lenses, while more compact options are available for the smaller-sensor camera (400D). You can compare the optics available in the Canon EF Lens Catalog.
Concerning battery life, the 1Ds Mark III gets 1800 shots out of its LP-E4 battery, while the 400D can take 370 images on a single charge of its NB-2LH power pack. As can be seen in the images above, the 1Ds Mark III 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 400D, Canon provides the BG-E3 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 would like to visualize and compare a different camera combination, just use the right or left arrows in the table to switch to the respective camera. Alternatively, you can also navigate to the CAM-parator app and make your selection from the full list of cameras there.
|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 400D«||5.0 in||3.3 in||2.6 in||19.6 oz||370||n||Aug 2006||799||-||Canon 400D|
|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 750D« »||5.2 in||4.0 in||3.1 in||19.6 oz||440||n||Feb 2015||749||-||Canon 750D|
|Canon 760D« »||5.2 in||4.0 in||3.1 in||19.9 oz||440||n||Feb 2015||649||-||Canon 760D|
|Canon 1D C« »||6.2 in||6.5 in||3.3 in||54.5 oz||1120||Y||Apr 2012||14,999||-||Canon 1D C|
|Canon 5D Mark III« »||6.0 in||4.6 in||3.0 in||33.5 oz||950||Y||Mar 2012||3,499||-||Canon 5D Mark III|
|Canon 6D« »||5.7 in||4.4 in||2.8 in||27.2 oz||1090||Y||Sep 2012||2,099||-||Canon 6D|
|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 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 450D« »||5.1 in||3.9 in||2.4 in||18.5 oz||500||n||Jan 2008||799||-||Canon 450D|
|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 40D« »||5.7 in||4.3 in||2.9 in||29.0 oz||750||n||Aug 2007||1,299||-||Canon 40D|
|Canon 350D« »||5.0 in||3.7 in||2.5 in||19.0 oz||400||n||Feb 2005||899||-||Canon 350D|
|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|
|Canon 1Ds« »||6.1 in||6.2 in||3.1 in||44.6 oz||600||Y||Sep 2002||8,999||-||Canon 1Ds|
|Nikon D3X« »||6.3 in||6.2 in||3.5 in||44.4 oz||4400||Y||Dec 2008||7,999||-||Nikon D3X|
|Note: Measurements and pricing do not include easily detachable parts, such as interchangeable lenses or optional viewfinders.|
Any camera decision will obviously take relative prices into account. 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 400D was launched at a markedly lower price (by 90 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.
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. 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 Canon 1Ds Mark III features a full frame sensor and the Canon 400D an APS-C sensor. The sensor area in the 400D is 62 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.0 and 1.6. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.
Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors.
With 21MP, the 1Ds Mark III offers a higher resolution than the 400D (10.1MP), but the 1Ds Mark III nevertheless has larger individual pixels (pixel pitch of 6.41μm versus 5.71μm for the 400D) due to its larger sensor. Moreover, the 1Ds Mark III is a somewhat more recent model (by 11 months) than the 400D, and its sensor might 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 inch or 71.3 x 47.5 cm, for very good quality (250 dpi) 22.5 x 15 inch or 57.1 x 38 cm, and for excellent quality (300 dpi) 18.7 x 12.5 inch or 47.5 x 31.7 cm. The corresponding values for the Canon 400D are 19.4 x 13 inch or 49.4 x 32.9 cm for good quality, 15.6 x 10.4 inch or 39.5 x 26.3 cm for very good quality, and 13 x 8.6 inch or 32.9 x 21.9 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 Canon EOS 400D are ISO 100 to ISO 1600 (no boost).
Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). Of the two cameras under review, the 1Ds Mark III provides substantially higher image quality than the 400D, with an overall score that is 18 points higher. This advantage is based on 1.9 bits higher color depth, 1 EV in additional dynamic range, and 1.3 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.
|Canon 1Ds Mark III»||Full Frame||21.0||5616||3744||-||24.0||12.0||1663||80||Canon 1Ds Mark III|
|Canon 400D«||APS-C||10.1||3888||2592||-||22.1||11.0||664||62||Canon 400D|
|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 750D« »||APS-C||24.0||6000||4000||1080/60p||22.7||12.0||919||71||Canon 750D|
|Canon 760D« »||APS-C||24.0||6000||4000||1080/30p||22.6||12.0||915||70||Canon 760D|
|Canon 1D C« »||Full Frame||17.9||5184||3456||4K/24p||-||-||-||-||Canon 1D C|
|Canon 5D Mark III« »||Full Frame||22.1||5760||3840||1080/30p||24.0||11.7||2293||81||Canon 5D Mark III|
|Canon 6D« »||Full Frame||20.0||5472||3648||1080/30p||23.8||12.1||2340||82||Canon 6D|
|Canon 1D X« »||Full Frame||17.9||5184||3456||1080/30p||23.8||11.8||2786||82||Canon 1D X|
|Canon 5D Mark II« »||Full Frame||21.0||5616||3744||1080/30p||23.7||11.9||1815||79||Canon 5D Mark II|
|Canon 450D« »||APS-C||12.2||4272||2848||-||21.9||10.8||692||61||Canon 450D|
|Canon 1D Mark III« »||APS-H||10.1||3888||2592||-||22.7||11.7||1078||71||Canon 1D Mark III|
|Canon 40D« »||APS-C||10.1||3888||2592||-||22.1||11.3||703||64||Canon 40D|
|Canon 350D« »||APS-C||8.0||3456||2304||-||21.8||10.8||637||60||Canon 350D|
|Canon 1Ds Mark II« »||Full Frame||16.6||4992||3328||-||23.3||11.3||1480||74||Canon 1Ds Mark II|
|Canon 1Ds« »||Full Frame||11.0||4064||2704||-||21.8||11.0||954||63||Canon 1Ds|
|Nikon D3X« »||Full Frame||24.4||6048||4032||-||24.7||13.7||1992||88||Nikon D3X|
Apart from body and sensor, cameras can and do differ across a variety of features. The 1Ds Mark III and the 400D 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 viewfinder in the 1Ds Mark III offers a wider field of view (100%) than the one in the 400D (95%), so that a larger proportion of the captured image is visible in the finder. In addition, the viewfinder of the 1Ds Mark III has a higher magnification (0.76x vs 0.49x), 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 Canon 400D in connection with corresponding information for a sample of similar cameras.
|Canon 1Ds Mark III»||optical||Y||3.0||230||fixed||n||1/8000s||5.0||n||n||Canon 1Ds Mark III|
|Canon 400D«||optical||n||2.5||230||fixed||n||1/4000s||3.0||Y||n||Canon 400D|
|Canon 1D X Mark II« »||optical||Y||3.2||1620||fixed||Y||1/8000s||16.0||n||n||Canon 1D X Mark II|
|Canon 750D« »||optical||n||3.0||1040||swivel||Y||1/4000s||5.0||Y||n||Canon 750D|
|Canon 760D« »||optical||Y||3.0||1040||swivel||Y||1/4000s||5.0||Y||n||Canon 760D|
|Canon 1D C« »||optical||Y||3.2||1040||fixed||n||1/8000s||14.0||n||n||Canon 1D C|
|Canon 5D Mark III« »||optical||Y||3.2||1040||fixed||n||1/8000s||6.0||n||n||Canon 5D Mark III|
|Canon 6D« »||optical||Y||3.0||1040||fixed||n||1/4000s||4.5||n||n||Canon 6D|
|Canon 1D X« »||optical||Y||3.2||1040||fixed||n||1/8000s||14.0||n||n||Canon 1D X|
|Canon 5D Mark II« »||optical||Y||3.0||920||fixed||n||1/8000s||3.9||n||n||Canon 5D Mark II|
|Canon 450D« »||optical||n||3.0||230||fixed||n||1/4000s||3.5||Y||n||Canon 450D|
|Canon 1D Mark III« »||optical||Y||3.0||230||fixed||n||1/8000s||10.0||n||n||Canon 1D Mark III|
|Canon 40D« »||optical||Y||3.0||230||fixed||n||1/8000s||6.5||Y||n||Canon 40D|
|Canon 350D« »||optical||n||1.8||115||fixed||n||1/4000s||3.0||Y||n||Canon 350D|
|Canon 1Ds Mark II« »||optical||Y||2.0||230||fixed||n||1/8000s||4.0||n||n||Canon 1Ds Mark II|
|Canon 1Ds« »||optical||Y||2.0||120||fixed||n||1/8000s||3.0||n||n||Canon 1Ds|
|Nikon D3X« »||optical||Y||3.0||922||fixed||n||1/8000s||5.0||n||n||Nikon D3X|
One feature that is present on the 1Ds Mark III, but is missing on the 400D 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 1Ds Mark III writes its imaging data to Compact Flash or SDHC cards, while the 400D uses Compact Flash cards.
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 Canon EOS 400D and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
|Canon 1Ds Mark III»||Y||-||-||-||-||-||2.0||-||-||-||Canon 1Ds Mark III|
|Canon 400D«||Y||-||-||-||-||-||2.0||-||-||-||Canon 400D|
|Canon 1D X Mark II« »||Y||mono||mono||Y||Y||mini||3.0||-||-||-||Canon 1D X Mark II|
|Canon 750D« »||Y||stereo||mono||Y||-||mini||2.0||Y||Y||-||Canon 750D|
|Canon 760D« »||Y||stereo||mono||Y||-||mini||2.0||Y||Y||-||Canon 760D|
|Canon 1D C« »||Y||mono||mono||Y||Y||mini||2.0||-||-||-||Canon 1D C|
|Canon 5D Mark III« »||Y||mono||mono||Y||Y||mini||2.0||-||-||-||Canon 5D Mark III|
|Canon 6D« »||Y||mono||mono||Y||-||mini||2.0||Y||-||-||Canon 6D|
|Canon 1D X« »||Y||mono||-||Y||-||mini||2.0||-||-||-||Canon 1D X|
|Canon 5D Mark II« »||Y||mono||mono||Y||-||mini||2.0||-||-||-||Canon 5D Mark II|
|Canon 450D« »||Y||-||-||-||-||mini||2.0||-||-||-||Canon 450D|
|Canon 1D Mark III« »||Y||-||-||-||-||-||2.0||-||-||-||Canon 1D Mark III|
|Canon 40D« »||Y||-||-||-||-||-||2.0||-||-||-||Canon 40D|
|Canon 350D« »||Y||-||-||-||-||-||2.0||-||-||-||Canon 350D|
|Canon 1Ds Mark II« »||Y||-||-||-||-||-||2.0||-||-||-||Canon 1Ds Mark II|
|Canon 1Ds« »||Y||-||-||-||-||-||FW||-||-||-||Canon 1Ds|
|Nikon D3X« »||Y||-||-||-||-||mini||2.0||-||-||-||Nikon D3X|
Studio photographers will appreciate that the Canon 1Ds Mark III (unlike the 400D) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.
Both the 1Ds Mark III and the 400D have been discontinued, but can regularly be found used on eBay. The 400D was replaced by the Canon 450D, while the 1Ds Mark III was followed by the Canon 1DX. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Canon website.
So how do things add up? Is there a clear favorite between the Canon 1Ds Mark III and the Canon 400D? Which camera is better? The listing below highlights the relative strengths of the two models.
Advantages of the Canon EOS-1Ds Mark III:
- More detail: Offers more megapixels (21 vs 10.1MP) with a 44% higher linear resolution.
- Better image quality: Scores substantially higher (18 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 EV of extra DR).
- Better low-light sensitivity: Requires less light for good images (1.3 stops ISO advantage).
- More complete view: Has a viewfinder with a larger field of view (100% vs 95%).
- Larger viewfinder image: Features a viewfinder with a higher magnification (0.76x vs 0.49x).
- Easier setting verification: Features an LCD display on top to control shooting parameters.
- Larger screen: Has a bigger rear LCD (3.0" vs 2.5") for image review and settings control.
- Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
- Faster burst: Shoots at higher frequency (5 vs 3 flaps/sec) to capture the decisive moment.
- More portrait friendly: Features an integrated vertical grip for easier portrait shooting.
- Longer lasting: Can take more shots (1800 versus 370) on a single battery charge.
- Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
- Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
- More modern: Is somewhat more recent (announced 11 months after the 400D).
Reasons to prefer the Canon EOS 400D:
- More compact: Is smaller (127x84mm vs 150x160mm) and will fit more readily into a bag.
- Less heavy: Has a lower weight (by 829g or 60 percent) and is thus easier to take along.
- Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
- More affordable: Was introduced into a lower priced category (90 percent cheaper at launch).
- More heavily discounted: Has been on the market for longer (launched in August 2006).
If the count of individual advantages (bullet points above) is taken as a guide, the 1Ds Mark III is the clear winner of the match-up (16 : 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 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 1Ds Mark III and the Canon 400D 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 incomplete and does no justice, for example, to the way the 1Ds Mark III or the 400D perform in practice. At times, user reviews, such as those published at amazon, address these issues in a useful manner, but such feedback is on many occasions incomplete, inconsistent, and unreliable.
This is why hands-on reviews by experts 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 1Ds Mark III»||-||+ +||4.5/5||-||-||Aug 2007||7,999||-||Canon 1Ds Mark III|
|Canon 400D«||+ +||+ +||o||4.5/5||4/5||Aug 2006||799||-||Canon 400D|
|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 750D« »||-||75/100||4.5/5||4.5/5||4.5/5||Feb 2015||749||-||Canon 750D|
|Canon 760D« »||+||77/100||4.5/5||4.5/5||4.5/5||Feb 2015||649||-||Canon 760D|
|Canon 1D C« »||-||-||-||-||-||Apr 2012||14,999||-||Canon 1D C|
|Canon 5D Mark III« »||+ +||82/100||4.5/5||5/5||4.5/5||Mar 2012||3,499||-||Canon 5D Mark III|
|Canon 6D« »||+ +||83/100||4.5/5||4.5/5||4.5/5||Sep 2012||2,099||-||Canon 6D|
|Canon 1D X« »||-||-||4.5/5||4.5/5||4.5/5||Oct 2011||6,799||-||Canon 1D X|
|Canon 5D Mark II« »||91/100||79/100||4/5||5/5||-||Sep 2008||3,499||-||Canon 5D Mark II|
|Canon 450D« »||+ +||+ +||4/5||5/5||4.5/5||Jan 2008||799||-||Canon 450D|
|Canon 1D Mark III« »||-||-||-||o||-||Feb 2007||4,499||-||Canon 1D Mark III|
|Canon 40D« »||+ +||+ +||4.5/5||o||4.5/5||Aug 2007||1,299||-||Canon 40D|
|Canon 350D« »||80/100||+ +||o||o||-||Feb 2005||899||-||Canon 350D|
|Canon 1Ds Mark II« »||-||+ +||-||-||-||Sep 2004||7,999||-||Canon 1Ds Mark II|
|Canon 1Ds« »||-||+ +||-||-||-||Sep 2002||8,999||-||Canon 1Ds|
|Nikon D3X« »||-||86/100||4/5||5/5||5/5||Dec 2008||7,999||-||Nikon D3X|
|Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (-) not available.|
Care should be taken when interpreting the review scores above, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. 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. 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 are interested in seeing how other cameras pair up, just make a corresponding selection in the search boxes below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.
- Canon 1D Mark III vs Canon 1Ds Mark III
- Canon 1Ds Mark III vs Canon SX410
- Canon 1Ds Mark III vs Leica M10
- Canon 1Ds Mark III vs Panasonic TS7
- Canon 1Ds Mark III vs Sony NEX-F3
- Canon 400D vs Canon D60
- Canon 400D vs Canon SX540
- Canon 400D vs Hasselblad X1D
- Canon 400D vs Leica S Typ 007
- Canon 400D vs Panasonic G9
- Canon 400D vs Panasonic GH1
- Canon 400D vs Sony A5100
Specifications: Canon 1Ds Mark III vs Canon 400D
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 1Ds Mark III||Canon 400D|
|Camera Type||Digital single lens reflex||Digital single lens reflex|
|Camera Lens||Canon EF mount lenses||Canon EF mount lenses|
|Launch Date||August 2007||August 2006|
|Launch Price||USD 7999||USD 799|
|Sensor Specs||Canon 1Ds Mark III||Canon 400D|
|Sensor Format||Full Frame Sensor||APS-C Sensor|
|Sensor Size||36.0 x 24.0 mm||22.2 x 14.8 mm|
|Sensor Area||864 mm2||328.56 mm2|
|Sensor Diagonal||43.3 mm||26.7 mm|
|Sensor Resolution||21 Megapixels||10.1 Megapixels|
|Image Resolution||5616 x 3744 pixels||3888 x 2592 pixels|
|Pixel Pitch||6.41 μm||5.71 μm|
|Pixel Density||2.43 MP/cm2||3.07 MP/cm2|
|Moiré control||Anti-Alias filter||Anti-Alias filter|
|Movie Capability||no Video||no Video|
|ISO Setting||100-1600 ISO||100-1600 ISO|
|ISO Boost||50-3200 ISO||no Enhancement|
|Image Processor||DIGIC III (Dual)||DIGIC II|
|DXO Sensor Quality (score)||80||62|
|DXO Color Depth (bits)||24.0||22.1|
|DXO Dynamic Range (EV)||12.0||11.0|
|DXO Low Light (ISO)||1663||664|
|Screen Specs||Canon 1Ds Mark III||Canon 400D|
|Viewfinder Type||Optical viewfinder||Optical viewfinder|
|Viewfinder Field of View||100%||95%|
|Top-Level Screen||Control Panel||no Top Display|
|LCD Framing||Live View|
|Rear LCD Size||3.0 inch||2.5 inch|
|LCD Resolution||230k dots||230k dots|
|LCD Attachment||Fixed screen||Fixed screen|
|Shooting Specs||Canon 1Ds Mark III||Canon 400D|
|Autofocus System||Phase-detect AF||Phase-detect AF|
|Continuous Shooting||5 shutter flaps/s||3 shutter flaps/s|
|Shutter Life Expectancy||300 000 actuations||50 000 actuations|
|Fill Flash||no On-Board Flash||Build-in Flash|
|Storage Medium||CF or SDHC cards||CF cards|
|Second Storage Option||Single card slot||Single card slot|
|Connectivity Specs||Canon 1Ds Mark III||Canon 400D|
|Studio Flash||PC Sync socket||no PC Sync|
|USB Connector||USB 2.0||USB 2.0|
|HDMI Port||no HDMI||no HDMI|
|Wifi Support||no Wifi||no Wifi|
|Body Specs||Canon 1Ds Mark III||Canon 400D|
|Environmental Sealing||Weathersealed body||Not weather sealed|
|Battery Life (CIPA)||1800 shots per charge||370 shots per charge|
150 x 160 x 80 mm
(5.9 x 6.3 x 3.1 in)
127 x 84 x 65 mm
(5.0 x 3.3 x 2.6 in)
|Camera Weight||1385 g (48.9 oz)||556 g (19.6 oz)|
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