Canon Rebel vs Olympus E-400
The Canon EOS Digital Rebel (called Canon 300D in some regions) and the Olympus E-400 are two digital cameras that were revealed to the public, respectively, in August 2003 and September 2006. Both are DSLR (Digital Single Lens Reflex) cameras that are based on an APS-C (Rebel) and a Four Thirds (E-400) sensor. The Canon has a resolution of 6.3 megapixels, whereas the Olympus provides 10 MP.
Below is an overview of the main specs of the two cameras as a starting point for the comparison.
|Canon Rebel||Olympus E-400|
|Digital single lens reflex||Digital single lens reflex|
|Canon EF mount lenses||Four Thirds lenses|
|6.3 MP, APS-C Sensor||10 MP, Four Thirds Sensor|
|no Video||no Video|
|ISO 100-1600||ISO 100-1600|
|Optical viewfinder||Optical viewfinder|
|1.8" LCD, 118k dots||2.5" LCD, 215k dots|
|Fixed screen (not touch-sensitive)||Fixed screen (not touch-sensitive)|
|2.5 shutter flaps per second||3 shutter flaps per second|
|400 shots per battery charge||500 shots per battery charge|
|142 x 99 x 72 mm, 649 g||130 x 91 x 53 mm, 435 g|
Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS Digital Rebel and the Olympus E-400? 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 Rebel and the Olympus E-400 are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear 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 Olympus E-400 is notably smaller (16 percent) than the Canon Rebel. Moreover, the E-400 is markedly lighter (33 percent) than the Rebel. In this context, it is worth noting that neither the Rebel nor the E-400 are weather-sealed.
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 (Rebel) and the Four Thirds Lens Catalog (E-400).
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 Rebel»||142 mm||99 mm||72 mm||649 g||400||n||Aug 2003||899||Canon Rebel|
|Olympus E-400«||130 mm||91 mm||53 mm||435 g||500||n||Sep 2006||699||Olympus E-400|
|Canon T7i« »||131 mm||100 mm||76 mm||532 g||600||n||Feb 2017||749||Canon T7i|
|Canon T6s« »||132 mm||101 mm||78 mm||565 g||440||n||Feb 2015||649||Canon T6s|
|Canon T4i« »||133 mm||100 mm||79 mm||575 g||440||n||Jun 2012||849||Canon T4i|
|Canon T3i« »||133 mm||100 mm||80 mm||570 g||440||n||Feb 2011||599||Canon T3i|
|Canon T1i« »||129 mm||98 mm||62 mm||520 g||400||n||Mar 2009||799||Canon T1i|
|Canon XTi« »||127 mm||84 mm||65 mm||556 g||370||n||Aug 2006||799||Canon XTi|
|Canon XT« »||127 mm||94 mm||64 mm||540 g||400||n||Feb 2005||899||Canon XT|
|Canon 20D« »||144 mm||106 mm||72 mm||770 g||700||n||Aug 2004||1,499||Canon 20D|
|Canon 10D« »||150 mm||107 mm||75 mm||850 g||500||n||Feb 2003||1,999||Canon 10D|
|Nikon D70« »||140 mm||111 mm||78 mm||679 g||400||n||Jan 2004||999||Nikon D70|
|Olympus E-420« »||130 mm||91 mm||53 mm||440 g||500||n||Mar 2008||599||Olympus E-420|
|Olympus E-410« »||130 mm||91 mm||53 mm||435 g||500||n||Mar 2007||699||Olympus E-410|
|Olympus E-510« »||136 mm||92 mm||68 mm||538 g||750||n||Mar 2007||799||Olympus E-510|
|Olympus E-500« »||130 mm||95 mm||66 mm||479 g||750||n||Sep 2005||599||Olympus E-500|
|Panasonic L10« »||135 mm||96 mm||78 mm||556 g||450||n||Aug 2007||599||Panasonic L10|
|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 E-400 was launched at a somewhat lower price (by 22 percent) than the Rebel, which makes it more attractive for photographers on a tight budget. 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.
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. 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 Rebel features an APS-C sensor and the Olympus E-400 a Four Thirds sensor. The sensor area in the E-400 is 34 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.6 and 2.0. The sensor in the Rebel has a native 3:2 aspect ratio, while the one in the E-400 offers a 4:3 aspect.
In terms of underlying technology, both cameras are build around CMOS sensors.
Despite having a smaller sensor, the E-400 offers a higher resolution of 10 megapixels, compared with 6.3 MP of the Rebel. This megapixels advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 4.74μm versus 7.38μm for the Rebel). However, it should be noted that the E-400 is much more recent (by 3 years) than the Rebel, and its sensor will have benefitted from technological advances during this time that make it possible to gather light more efficiently.
The resolution advantage of the Olympus E-400 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the E-400 for good quality output (200 dots per inch) amounts to 18.2 x 13.7 inch or 46.3 x 34.7 cm, for very good quality (250 dpi) 14.6 x 10.9 inch or 37.1 x 27.8 cm, and for excellent quality (300 dpi) 12.2 x 9.1 inch or 30.9 x 23.2 cm. The corresponding values for the Canon Rebel are 15.4 x 10.2 inch or 39 x 26 cm for good quality, 12.3 x 8.2 inch or 31.2 x 20.8 cm for very good quality, and 10.2 x 6.8 inch or 26 x 17.3 cm for excellent quality prints.
The Canon EOS Digital Rebel has a native sensitivity range from ISO 100 to ISO 1600. The Olympus E-400 offers exactly the same ISO settings.
Consistent information on actual sensor performance is available from DXO Mark for many cameras. 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"). 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 Rebel||APS-C||6.3||3072||2048||none||21.0||10.8||544||55||Canon Rebel|
|Olympus E-400||Four Thirds||10.0||3648||2736||none||..||..||..||..||Olympus E-400|
|Canon T7i||APS-C||24.0||6000||4000||1080/60p||..||..||..||..||Canon T7i|
|Canon T6s||APS-C||24.0||6000||4000||1080/30p||22.6||12.0||915||70||Canon T6s|
|Canon T4i||APS-C||17.9||5184||3456||1080/30p||21.7||11.2||722||62||Canon T4i|
|Canon T3i||APS-C||17.9||5184||3456||1080/30p||22.1||11.5||793||65||Canon T3i|
|Canon T1i||APS-C||15.1||4752||3168||1080/20p||21.7||11.5||663||63||Canon T1i|
|Canon XTi||APS-C||10.1||3888||2592||none||22.1||11.0||664||62||Canon XTi|
|Canon XT||APS-C||8.0||3456||2304||none||21.8||10.8||637||60||Canon XT|
|Canon 20D||APS-C||8.2||3504||2336||none||21.9||11.0||721||62||Canon 20D|
|Canon 10D||APS-C||6.3||3072||2048||none||21.1||10.9||571||57||Canon 10D|
|Nikon D70||APS-C||6.0||3008||2000||none||20.4||10.3||529||50||Nikon D70|
|Olympus E-420||Four Thirds||10.0||3648||2736||none||21.5||10.4||527||56||Olympus E-420|
|Olympus E-410||Four Thirds||10.0||3648||2736||none||21.1||10.0||494||51||Olympus E-410|
|Olympus E-510||Four Thirds||10.0||3648||2736||none||21.2||10.0||442||52||Olympus E-510|
|Olympus E-500||Four Thirds||8.0||3264||2448||none||..||..||..||..||Olympus E-500|
|Panasonic L10||Four Thirds||10.0||3648||2736||none||21.3||10.8||429||55||Panasonic L10|
Apart from body and sensor, cameras can and do differ across a variety of features. The Rebel and the E-400 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 (95%), but the viewfinder of the Rebel has a higher magnification than the one of the E-400 (0.55x vs 0.46x), 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 Rebel, the Olympus E-400, and comparable cameras.
|Canon Rebel||optical||n||1.8||118||fixed||n||1/4000s||2.5||Y||n||Canon Rebel|
|Olympus E-400||optical||n||2.5||215||fixed||n||1/4000s||3.0||Y||n||Olympus E-400|
|Canon T7i||optical||n||3.0||1040||swivel||Y||1/4000s||6.0||Y||n||Canon T7i|
|Canon T6s||optical||Y||3.0||1040||swivel||Y||1/4000s||5.0||Y||n||Canon T6s|
|Canon T4i||optical||n||3.0||1040||swivel||Y||1/4000s||5.0||Y||n||Canon T4i|
|Canon T3i||optical||n||3.0||1040||swivel||n||1/4000s||3.7||Y||n||Canon T3i|
|Canon T1i||optical||n||3.0||920||fixed||n||1/4000s||3.4||Y||n||Canon T1i|
|Canon XTi||optical||n||2.5||230||fixed||n||1/4000s||3.0||Y||n||Canon XTi|
|Canon XT||optical||n||1.8||115||fixed||n||1/4000s||3.0||Y||n||Canon XT|
|Canon 20D||optical||Y||1.8||118||fixed||n||1/8000s||5.0||Y||n||Canon 20D|
|Canon 10D||optical||Y||1.8||118||fixed||n||1/4000s||3.0||Y||n||Canon 10D|
|Nikon D70||optical||n||1.8||130||fixed||n||1/8000s||3.0||Y||n||Nikon D70|
|Olympus E-420||optical||n||2.7||215||fixed||n||1/4000s||3.5||Y||n||Olympus E-420|
|Olympus E-410||optical||n||2.5||215||fixed||n||1/4000s||3.0||Y||n||Olympus E-410|
|Olympus E-510||optical||n||2.5||215||fixed||n||1/4000s||3.0||Y||Y||Olympus E-510|
|Olympus E-500||optical||n||2.5||215||fixed||n||1/4000s||2.5||Y||n||Olympus E-500|
|Panasonic L10||optical||n||2.5||207||swivel||n||1/4000s||3.0||Y||n||Panasonic L10|
The Rebel writes its imaging data to Compact Flash cards, while the E-400 uses Compact Flash or xD Picture cards. The E-400 features dual card slots, which can be very useful in case a memory card fails. In contrast, the Rebel only has one slot.
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 Digital Rebel and Olympus E-400 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
|Canon Rebel||Y||none||none||-||-||none||1.1||-||-||-||Canon Rebel|
|Olympus E-400||Y||none||none||-||-||none||2.0||-||-||-||Olympus E-400|
|Canon T7i||Y||stereo||mono||Y||-||mini||2.0||Y||Y||Y||Canon T7i|
|Canon T6s||Y||stereo||mono||Y||-||mini||2.0||Y||Y||-||Canon T6s|
|Canon T4i||Y||stereo||mono||Y||-||mini||2.0||-||-||-||Canon T4i|
|Canon T3i||Y||mono||mono||Y||-||mini||2.0||-||-||-||Canon T3i|
|Canon T1i||Y||mono||mono||-||-||mini||2.0||-||-||-||Canon T1i|
|Canon XTi||Y||none||none||-||-||none||2.0||-||-||-||Canon XTi|
|Canon XT||Y||none||none||-||-||none||2.0||-||-||-||Canon XT|
|Canon 20D||Y||none||none||-||-||none||1.1||-||-||-||Canon 20D|
|Canon 10D||Y||none||none||-||-||none||1.1||-||-||-||Canon 10D|
|Nikon D70||Y||none||none||-||-||none||1.0||-||-||-||Nikon D70|
|Olympus E-420||Y||none||none||-||-||none||2.0||-||-||-||Olympus E-420|
|Olympus E-410||Y||none||none||-||-||none||2.0||-||-||-||Olympus E-410|
|Olympus E-510||Y||none||none||-||-||none||2.0||-||-||-||Olympus E-510|
|Olympus E-500||Y||none||none||-||-||none||2.0||-||-||-||Olympus E-500|
|Panasonic L10||Y||none||none||-||-||none||2.0||-||-||-||Panasonic L10|
Both the Rebel and the E-400 have been discontinued, but can regularly be found used on eBay. The Rebel was replaced by the Canon XT, while the E-400 was followed by the Olympus E-410. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Canon and Olympus websites.
So what conclusions can be drawn? Is there a clear favorite between the Canon Rebel and the Olympus E-400? Which camera is better? The listing below highlights the relative strengths of the two models.
Reasons to prefer the Canon EOS Digital Rebel:
- Larger viewfinder image: Features a viewfinder with a higher magnification (0.55x vs 0.46x).
- More heavily discounted: Has been available for much longer (launched in August 2003).
Arguments in favor of the Olympus E-400:
- More detail: Has more megapixels (10 vs 6.3MP), which boosts linear resolution by 24%.
- Larger screen: Has a bigger rear LCD (2.5" vs 1.8") for image review and settings control.
- More detailed LCD: Has a higher resolution rear screen (215k vs 118k dots).
- Faster burst: Shoots at higher frequency (3 vs 2.5 flaps/sec) to capture the decisive moment.
- More compact: Is smaller (130x91mm vs 142x99mm) and will fit more readily into a bag.
- Less heavy: Has a lower weight (by 214g or 33 percent) and is thus easier to take along.
- Longer lasting: Gets more shots (500 versus 400) out of a single battery charge.
- Faster data transfer: Supports a more advanced USB protocol (2.0 vs 1.1).
- Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
- More affordable: Was released into a lower priced segment (22 percent cheaper at launch).
- More modern: Reflects 3 years of technical progress since the Rebel launch.
If the count of individual advantages (bullet points above) is taken as a guide, the E-400 is the clear winner of the contest (11 : 2 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 Rebel and the Olympus E-400 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 Rebel or the E-400. 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 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.
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, 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. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.
- Canon 450D vs Canon Rebel
- Canon 450D vs Olympus E-400
- Canon 5D Mark IV vs Olympus E-400
- Canon G3 X vs Olympus E-400
- Canon Rebel vs Fujifilm GFX 50S
- Canon Rebel vs Fujifilm X-Pro1
- Canon Rebel vs Nikon W150
- Canon Rebel vs Olympus E-P3
- Canon Rebel vs Panasonic GH4
- Canon Rebel vs Sony A58
- Nikon D500 vs Olympus E-400
- Olympus E-400 vs Pentax MX-1
Specifications: Canon Rebel vs Olympus E-400
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 Rebel||Olympus E-400|
|Camera Type||Digital single lens reflex||Digital single lens reflex|
|Camera Lens||Canon EF mount lenses||Four Thirds lenses|
|Launch Date||August 2003||September 2006|
|Launch Price||USD 899||USD 699|
|Sensor Specs||Canon Rebel||Olympus E-400|
|Sensor Format||APS-C Sensor||Four Thirds Sensor|
|Sensor Size||22.7 x 15.1 mm||17.3 x 13.0 mm|
|Sensor Area||342.77 mm2||224.9 mm2|
|Sensor Diagonal||27.3 mm||21.6 mm|
|Sensor Resolution||6.3 Megapixels||10 Megapixels|
|Image Resolution||3072 x 2048 pixels||3648 x 2736 pixels|
|Pixel Pitch||7.38 μm||4.74 μm|
|Pixel Density||1.84 MP/cm2||4.44 MP/cm2|
|Moiré control||Anti-Alias filter||Anti-Alias filter|
|Movie Capability||no Video||no Video|
|ISO Setting||100-1600 ISO||100-1600 ISO|
|DXO Sensor Quality (score)||55||..|
|DXO Color Depth (bits)||21.0||..|
|DXO Dynamic Range (EV)||10.8||..|
|DXO Low Light (ISO)||544||..|
|Screen Specs||Canon Rebel||Olympus E-400|
|Viewfinder Type||Optical viewfinder||Optical viewfinder|
|Viewfinder Field of View||95%||95%|
|Rear LCD Size||1.8 inch||2.5 inch|
|LCD Resolution||118k dots||215k dots|
|LCD Attachment||Fixed screen||Fixed screen|
|Shooting Specs||Canon Rebel||Olympus E-400|
|Autofocus System||Phase-detect AF||Phase-detect AF|
|Continuous Shooting||2.5 shutter flaps/s||3 shutter flaps/s|
|Fill Flash||Build-in Flash||Build-in Flash|
|Storage Medium||CF cards||CF or XD cards|
|Second Storage Option||Single card slot||Dual card slots|
|Connectivity Specs||Canon Rebel||Olympus E-400|
|USB Connector||USB 1.1||USB 2.0|
|HDMI Port||no HDMI||no HDMI|
|Wifi Support||no Wifi||no Wifi|
|Body Specs||Canon Rebel||Olympus E-400|
|Battery Life (CIPA)||400 shots per charge||500 shots per charge|
142 x 99 x 72 mm
(5.6 x 3.9 x 2.8 in)
130 x 91 x 53 mm
(5.1 x 3.6 x 2.1 in)
|Camera Weight||649 g (22.9 oz)||435 g (15.3 oz)|
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