Canon 1Ds Mark III versus Canon 300D
The Canon EOS-1Ds Mark III and the Canon EOS 300D (labelled Canon Rebel in some countries) are two digital cameras that were revealed to the public, respectively, in August 2007 and August 2003. Both are DSLR (Digital Single Lens Reflex) cameras that are based on a full frame (1Ds Mark III) and an APS-C (300D) sensor. The 1Ds Mark III has a resolution of 21 megapixel, whereas the 300D provides 6.3 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 Canon 300D
The side-by-side display below illustrates the physical size and weight of the Canon 1Ds Mark III and the Canon 300D. 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. You can also toggle the display 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 side – the 1Ds Mark III – represents the basis for the calculations across all the size and weight measures).
If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon 300D is considerably smaller (41 percent) than the Canon 1Ds Mark III. Moreover, the 300D is substantially lighter (53 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 300D 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 (300D). You can find a comprehensive overview of suitable optics in the Canon EF Lens Catalog.
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.
|Camera Body Specifications
|Canon 1Ds Mark III (⇒ rgt)||150 mm||160 mm||80 mm||1385 g||1800||YES||2007||7,999||discont.||check|
|Canon 300D (⇒ lft)||142 mm||99 mm||72 mm||649 g||400||no||2003||899||discont.||check|
|Canon 1D X Mark II (⇒ lft | rgt)||158 mm||168 mm||83 mm||1530 g||1210||YES||2016||5,999||latest||check|
|Canon 6D (⇒ lft | rgt)||145 mm||111 mm||71 mm||770 g||1090||YES||2012||2,099||discont.||check|
|Canon 5D Mark III (⇒ lft | rgt)||152 mm||116 mm||76 mm||950 g||950||YES||2012||3,499||discont.||check|
|Canon 1D C (⇒ lft | rgt)||158 mm||164 mm||83 mm||1545 g||1120||YES||2012||14,999||discont.||check|
|Canon 650D (⇒ lft | rgt)||133 mm||100 mm||79 mm||575 g||440||no||2012||849||discont.||check|
|Canon 1D X (⇒ lft | rgt)||158 mm||168 mm||83 mm||1551 g||1120||YES||2011||6,799||discont.||check|
|Canon 1D Mark IV (⇒ lft | rgt)||156 mm||157 mm||80 mm||1230 g||1500||YES||2009||4,999||discont.||check|
|Canon 5D Mark II (⇒ lft | rgt)||152 mm||114 mm||75 mm||850 g||850||YES||2008||3,499||discont.||check|
|Canon 1D Mark III (⇒ lft | rgt)||156 mm||156.6 mm||80 mm||1155 g||2200||YES||2007||4,499||discont.||check|
|Canon 400D (⇒ lft | rgt)||127 mm||84 mm||65 mm||556 g||370||no||2006||799||discont.||check|
|Canon 350D (⇒ lft | rgt)||127 mm||94 mm||64 mm||540 g||400||no||2005||899||discont.||check|
|Canon 20D (⇒ lft | rgt)||144 mm||106 mm||72 mm||770 g||700||no||2004||1,499||discont.||check|
|Canon 1Ds Mark II (⇒ lft | rgt)||156 mm||157.6 mm||80 mm||1215 g||1200||YES||2004||7,999||discont.||check|
|Canon 10D (⇒ lft | rgt)||150 mm||107 mm||75 mm||850 g||500||no||2003||1,999||discont.||check|
|Nikon D3X (⇒ lft | rgt)||160 mm||157 mm||88 mm||1260 g||4400||YES||2008||7,999||discont.||check|
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 300D was launched at a markedly lower price (by 89 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 Canon 300D
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 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 300D an APS-C sensor. The sensor area in the 300D is 60 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.
With 21MP, the 1Ds Mark III offers a higher resolution than the 300D (6.3MP), but the 1Ds Mark III has smaller individual pixels (pixel pitch of 6.41μm versus 7.38μm for the 300D). However, the 1Ds Mark III is a somewhat more recent model (by 4 years) than the 300D, and its sensor might have benefitted from technological advances during this time that enhance the light gathering capacity of its pixels.
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. Of the two cameras under review, the 1Ds Mark III provides substantially higher image quality than the 300D, with an overall score that is 25 points higher. This advantage is based on 3 bits higher color depth, 1.2 EV in additional dynamic range, and 1.6 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 1Ds Mark III (⇒ rgt)||Full Frame||21.0||5616||3744||no||24.0||12.0||1663||80|
|Canon 300D (⇒ lft)||APS-C||6.3||3072||2048||no||21.0||10.8||544||55|
|Canon 1D X Mark II (⇒ lft | rgt)||Full Frame||20.0||5472||3648||4K/60p||24.1||13.5||3207||88|
|Canon 6D (⇒ lft | rgt)||Full Frame||20.0||5472||3648||1080/30p||23.8||12.1||2340||82|
|Canon 5D Mark III (⇒ lft | rgt)||Full Frame||22.1||5760||3840||1080/30p||24||11.7||2293||81|
|Canon 1D C (⇒ lft | rgt)||Full Frame||17.9||5184||3456||4K/24p||-||-||-||-|
|Canon 650D (⇒ lft | rgt)||APS-C||17.9||5184||3456||1080/30p||21.7||11.2||722||62|
|Canon 1D X (⇒ lft | rgt)||Full Frame||17.9||5184||3456||1080/30p||23.8||11.8||2786||82|
|Canon 1D Mark IV (⇒ lft | rgt)||APS-H||16.0||4896||3264||1080/30p||22.8||12.0||1320||74|
|Canon 5D Mark II (⇒ lft | rgt)||Full Frame||21.0||5616||3744||1080/30p||23.7||11.9||1815||79|
|Canon 1D Mark III (⇒ lft | rgt)||APS-H||10.1||3888||2592||no||22.7||11.7||1078||71|
|Canon 400D (⇒ lft | rgt)||APS-C||10.1||3888||2592||no||22.1||11.0||664||62|
|Canon 350D (⇒ lft | rgt)||APS-C||8.0||3456||2304||no||21.8||10.8||637||60|
|Canon 20D (⇒ lft | rgt)||APS-C||8.2||3504||2336||no||21.9||11.0||721||62|
|Canon 1Ds Mark II (⇒ lft | rgt)||Full Frame||16.6||4992||3328||no||23.3||11.3||1480||74|
|Canon 10D (⇒ lft | rgt)||APS-C||6.3||3072||2048||no||21.1||10.9||571||57|
|Nikon D3X (⇒ lft | rgt)||Full Frame||24.4||6048||4032||no||24.7||13.7||1992||88|
Feature comparison: Canon 1Ds Mark III vs Canon 300D
Apart from body and sensor, cameras can and do differ across a variety of features. The 1Ds Mark III and the 300D 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 Canon 300D, and comparable cameras. If needed, the dpreview camera hub, for example, contains further detail on the cameras' specs.
|Canon 1Ds Mark III (⇒ rgt)||optical||YES||3.0||230||fixed||no||8000||5.0||no||no|
|Canon 300D (⇒ lft)||optical||no||1.8||118||fixed||no||4000||2.5||YES||no|
|Canon 1D X Mark II (⇒ lft | rgt)||optical||YES||3.2||1620||fixed||YES||8000||16.0||no||no|
|Canon 6D (⇒ lft | rgt)||optical||YES||3.0||1040||fixed||no||4000||4.5||no||no|
|Canon 5D Mark III (⇒ lft | rgt)||optical||YES||3.2||1040||fixed||no||8000||6.0||no||no|
|Canon 1D C (⇒ lft | rgt)||optical||YES||3.2||1040||fixed||no||8000||14.0||no||no|
|Canon 650D (⇒ lft | rgt)||optical||no||3.0||1040||swivel||YES||4000||5.0||YES||no|
|Canon 1D X (⇒ lft | rgt)||optical||YES||3.2||1040||fixed||no||8000||14.0||no||no|
|Canon 1D Mark IV (⇒ lft | rgt)||optical||YES||3.0||920||fixed||no||8000||10.0||no||no|
|Canon 5D Mark II (⇒ lft | rgt)||optical||YES||3.0||920||fixed||no||8000||3.9||no||no|
|Canon 1D Mark III (⇒ lft | rgt)||optical||YES||3.0||230||fixed||no||8000||10.0||no||no|
|Canon 400D (⇒ lft | rgt)||optical||no||2.5||230||fixed||no||4000||3.0||YES||no|
|Canon 350D (⇒ lft | rgt)||optical||no||1.8||115||fixed||no||4000||3.0||YES||no|
|Canon 20D (⇒ lft | rgt)||optical||YES||1.8||118||fixed||no||8000||5.0||13||no|
|Canon 1Ds Mark II (⇒ lft | rgt)||optical||YES||2.0||230||fixed||no||8000||4.0||no||no|
|Canon 10D (⇒ lft | rgt)||optical||YES||1.8||118||fixed||no||4000||3.0||13||no|
|Nikon D3X (⇒ lft | rgt)||optical||YES||3.0||922||fixed||no||8000||5.0||no||no|
Both the 1Ds Mark III and the 300D have been discontinued, but can regularly be found used on eBay. The 300D was replaced by the Canon 350D, while the 1Ds Mark III was followed by the Canon 1DX.
Review summary: Canon 1Ds Mark III vs Canon 300D
So what conclusions can be drawn? Which of the two cameras – the Canon 1Ds Mark III or the Canon 300D – has the upper hand? The listing below highlights the relative strengths of the two models.
Reasons to prefer the Canon EOS-1Ds Mark III:
- More detail: Offers more megapixels (21 vs 6.3MP) with a 83% higher linear resolution.
- Better image quality: Scores substantially higher (25 points) in the DXO overall assessment.
- Richer colors: Generates images with noticeably better colors (3 bits more color depth).
- More dynamic range: Captures a larger spectrum of light and dark details (1.2 EV of extra DR).
- Better low-light sensitivity: Requires less light for good images (1.6 stops ISO advantage).
- Easier setting verification: Has an LCD display on top to control shooting parameters.
- Larger screen: Has a bigger rear LCD (3.0" vs 1.8") for image review and settings control.
- More detailed LCD: Has a higher resolution rear screen (230k vs 118k dots).
- Faster shutter: Has higher mechanical shutter speed (8000/sec vs 4000/sec) to freeze action.
- Faster burst: Shoots at higher frequency (5 vs 2.5 flaps/sec) to capture the decisive moment.
- Longer lasting: Can take more shots (1800 versus 400) on a single battery charge.
- Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
- More modern: Reflects 4 years of technical progress since the 300D launch.
Arguments in favor of the Canon EOS 300D:
- More compact: Is smaller (142x99mm vs 150x160mm) and will fit more readily into a bag.
- Less heavy: Has a lower weight (by 736g or 53 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 (89 percent cheaper at launch).
- More heavily discounted: Has been around for much longer (launched in August 2003).
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 (13 : 5 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.
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 300D 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 why expert reviews are important. The adjacent table relays the overall verdicts of several of the most popular camera review sites. The full reviews are available, respectively, at cameralabs.com, dpreview.com, ephotozine.com, imaging-resource.com, and photographyblog.com.
|Canon 1Ds Mark III (⇒ rgt)||-||HiRec||4.5/5||-||-||2007||7,999||discont.||check|
|Canon 300D (⇒ lft)||-||HiRec||-||reviewed||-||2003||899||discont.||check|
|Canon 1D X Mark II (⇒ lft | rgt)||-||89/100 Gold||4.5/5||5/5||4.5/5||2016||5,999||latest||check|
|Canon 6D (⇒ lft | rgt)||HiRec||83/100 Silver||4.5/5||4.5/5||4.5/5||2012||2,099||discont.||check|
|Canon 5D Mark III (⇒ lft | rgt)||HiRec||82/100 Gold||4.5/5||5/5||4.5/5||2012||3,499||discont.||check|
|Canon 1D C (⇒ lft | rgt)||-||-||-||-||-||2012||14,999||discont.||check|
|Canon 650D (⇒ lft | rgt)||HiRec||77/100 Silver||4.5/5||4.5/5||4.5/5||2012||849||discont.||check|
|Canon 1D X (⇒ lft | rgt)||-||-||4.5/5||4.5/5||4.5/5||2011||6,799||discont.||check|
|Canon 1D Mark IV (⇒ lft | rgt)||-||89/100 Gold||-||5/5||-||2009||4,999||discont.||check|
|Canon 5D Mark II (⇒ lft | rgt)||91/100||79/100 HiRec||4/5||5/5||-||2008||3,499||discont.||check|
|Canon 1D Mark III (⇒ lft | rgt)||-||-||-||reviewed||-||2007||4,499||discont.||check|
|Canon 400D (⇒ lft | rgt)||85/100 HiRec||HiRec||reviewed||4.5/5||4/5||2006||799||discont.||check|
|Canon 350D (⇒ lft | rgt)||80/100||HiRec||reviewed||reviewed||-||2005||899||discont.||check|
|Canon 20D (⇒ lft | rgt)||-||HiRec||-||reviewed||-||2004||1,499||discont.||check|
|Canon 1Ds Mark II (⇒ lft | rgt)||-||HiRec||-||-||-||2004||7,999||discont.||check|
|Canon 10D (⇒ lft | rgt)||-||HiRec||-||reviewed||-||2003||1,999||discont.||check|
|Nikon D3X (⇒ lft | rgt)||-||86/100||4/5||5/5||5/5||2008||7,999||discont.||check|
The above review scores should be interpreted with care, though. The assessments were made in relation to similar cameras of the same technological generation. A score, therefore, has to be seen in close connection to the price and market introduction time 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. 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. If the camera you are interested in is not available, please contact me, and I will try to add information on that model to the database.